diff --git a/_locales/ar/messages.json b/_locales/ar/messages.json
index 0472f9ff..56ca799a 100644
--- a/_locales/ar/messages.json
+++ b/_locales/ar/messages.json
@@ -3,46 +3,6 @@
 		"message": "كل شيء",
 		"description": "Text displayed for styles that apply to all sites"
 	},
-	"defaultTheme": {
-		"message": "default",
-		"description": "Default CodeMirror CSS theme option on the edit style page"
-	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
-	"exportLabel": {
-		"message": "Export",
-		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
-	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
-	"cm_tabSize": {
-		"message": "Tab size",
-		"description": "Label for the text box controlling tab size option for the style editor."
-	},
 	"enableStyleLabel": {
 		"message": "تمكين",
 		"description": "Label for the button to enable a style"
@@ -51,14 +11,6 @@
 		"message": "أدخل اسمًا.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "عناوين URL في النطاق",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,62 +19,10 @@
 		"message": "البحث عن تحديث",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
-	"importAppendLabel": {
-		"message": "Append to style",
-		"description": "Label for the button to import a style and append to the existing sections"
-	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
-	"updateAllCheckSucceededNoUpdate": {
-		"message": "No updates found.",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
-	"styleFromMozillaFormatPrompt": {
-		"message": "Paste the Mozilla-format code",
-		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
-	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "مساعدة",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
-	"search": {
-		"message": "Search",
-		"description": "Label before the search input field in the editor shown on Ctrl-F"
-	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
-	"confirmYes": {
-		"message": "Yes",
-		"description": "'Yes' button in a confirm dialog"
-	},
 	"findStylesForSite": {
 		"message": "البحث عن المزيد من الأنماط لموقع الويب هذا",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -131,14 +31,6 @@
 		"message": "الأنماط المثبتة",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "ممكّن",
 		"description": "Label for the enabled state of styles"
@@ -151,38 +43,10 @@
 		"message": "إضافة قسم آخر",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "حفظ",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
-	"confirmStop": {
-		"message": "Stop",
-		"description": "'Stop' button in a confirm dialog"
-	},
-	"writeStyleForURL": {
-		"message": "this URL",
-		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
-	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "إضافة",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +55,6 @@
 		"message": "عناوين URL التي تطابق regexp",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "هل تريد تثبيت '$stylename$' في Stylus؟",
 		"description": "Confirmation when installing a style",
@@ -208,58 +64,10 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
-	"manageText": {
-		"message": "<a href='https://userstyles.org'>Get styles on userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Get help</a>",
-		"description": "Help text on the manage page"
-	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
-	"searchStyles": {
-		"message": "Search contents",
-		"description": "Label for the search filter textbox on the Manage styles page"
-	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "تعطيل",
 		"description": "Label for the button to disable a style"
 	},
-	"prefShowBadge": {
-		"message": "Number of styles active for the current site",
-		"description": "Label for the checkbox controlling toolbar badge text."
-	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"menuShowBadge": {
-		"message": "Show active style count",
-		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
-	},
-	"cm_lineWrapping": {
-		"message": "Word wrap",
-		"description": "Label for the checkbox controlling word wrap option for the style editor."
-	},
 	"styleCancelEditLabel": {
 		"message": "رجوع للإدارة",
 		"description": "Label for cancel button for style editing"
@@ -268,50 +76,14 @@
 		"message": "لقد أجريت تغييرات على هذا النمط بدون حفظها.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
-	"importLabel": {
-		"message": "Import",
-		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
-	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "أخفق التحديث - الخادم يتعذر الوصول إليه.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
 	},
-	"manageFilters": {
-		"message": "Filters",
-		"description": "Label for filters container"
-	},
-	"applyAllUpdates": {
-		"message": "Apply all updates",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "هل تريد بالتأكيد حذف هذا النمط؟",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
-	"styleBadRegexp": {
-		"message": "Regexp is invalid.",
-		"description": "Validation message for a bad regexp in a style"
-	},
-	"optionsHeading": {
-		"message": "Options",
-		"description": "Heading for options section on manage page."
-	},
 	"appliesDisplay": {
 		"message": "ينطبق على: $applies$",
 		"description": "Text on the manage screen to describe what the style applies to",
@@ -321,31 +93,10 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
-	"styleUpdate": {
-		"message": "Are you sure you want to update '$stylename$'?",
-		"description": "Confirmation when updating a style",
-		"placeholders": {
-			"stylename": {
-				"content": "$1"
-			}
-		}
-	},
 	"styleSectionsTitle": {
 		"message": "الأقسام",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "تعديل النمط $stylename$",
 		"description": "Title of the page for editing styles",
@@ -363,34 +114,6 @@
 		"message": "عناوين URL البادئة بـ",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
-	"searchRegexp": {
-		"message": "Use /re/ syntax for regexp search",
-		"description": "Label after the search input field in the editor shown on Ctrl-F"
-	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
-	"importReplaceTooltip": {
-		"message": "Discard contents of current style and overwrite it with the imported style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
-	"popupStylesFirst": {
-		"message": "Styles before commands",
-		"description": "Label for the checkbox controlling section order in the popup."
-	},
 	"sectionHelp": {
 		"message": "تتيح لك الأقسام تحديد أجزاء مختلفة من الرمز لتطبيقها على مجموعات مختلفة من عناوين URL بالنمط نفسه. فعلى سبيل المثال، يمكن لنمط مفرد تغيير الصفحة الرئيسية لموقع ويب بطريقة، مع تغيير بقية أجزاء موقع الويب بطريقة أخرى.",
 		"description": "Help text for sections"
@@ -407,42 +130,10 @@
 		"message": "إزالة",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
-	"styleToMozillaFormatTitle": {
-		"message": "Style in Mozilla format",
-		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
-	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
-	"writeStyleFor": {
-		"message": "Write style for: ",
-		"description": "Label for toolbar pop-up that precedes the links to write a new style"
-	},
-	"replace": {
-		"message": "Replace",
-		"description": "Label before the replace input field in the editor shown on Ctrl-H"
-	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "ينطبق على",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "إدارة الأنماط المثبتة",
 		"description": "Link to open the manage page."
@@ -464,54 +155,10 @@
 		"message": "تثبيت التحديث",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "إزالة القسم",
 		"description": "Label for the button to remove a section"
 	},
-	"disableAllStyles": {
-		"message": "Turn all styles off",
-		"description": "Label for the checkbox that turns all enabled styles off."
-	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
-	"undoGlobal": {
-		"message": "Undo in all sections",
-		"description": "CSS-beautify global Undo button label"
-	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "اكتمل التحديث.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +167,10 @@
 		"message": "جارٍ البحث...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
 	"sectionCode": {
 		"message": "الرمز",
 		"description": "Label for the code for a section"
 	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
-	"cm_smartIndent": {
-		"message": "Use smart indentation",
-		"description": "Label for the checkbox controlling smart indentation option for the style editor."
-	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "استخدم عناصر تحكم 'ينطبق على' لتقييد عناوين URL التي ينطبق عليها الرمز في هذا القسم.",
 		"description": "Help text for 'applies to' section"
@@ -568,198 +179,30 @@
 		"message": "تعديل النمط",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
 	"appliesUrlOption": {
 		"message": "عنوان URL",
 		"description": "Option to make the style apply to the entered string as a URL"
 	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"stylusUnavailableForURL": {
-		"message": "Stylus doesn't work on pages like this.",
-		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "إضافة نمط",
 		"description": "Title of the page for adding styles"
 	},
-	"importReplaceLabel": {
-		"message": "Overwrite style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"dbError": {
-		"message": "An error has occurred using the Stylus database. Would you like to visit a web page with possible solutions?",
-		"description": "Prompt when a DB error is encountered"
-	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
-	"importAppendTooltip": {
-		"message": "Append the imported style to current style",
-		"description": "Tooltip for the button to import a style and append to the existing sections"
-	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
-	"helpKeyMapHotkey": {
-		"message": "Press a hotkey",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
-	"replaceAll": {
-		"message": "Replace all",
-		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
-	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
-	"editGotoLine": {
-		"message": "Goto line (or line:col)",
-		"description": "Go to line or line:column on Ctrl-G in style code editor"
-	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "البحث عن تحديثات لكل الأنماط",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
-	"issuesHelp": {
-		"message": "The issues found by <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> with these rules enabled:",
-		"description": "Help popup message for the CSSLint issues block on the style edit page"
-	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
-	"confirmNo": {
-		"message": "No",
-		"description": "'No' button in a confirm dialog"
-	},
-	"undo": {
-		"message": "Undo",
-		"description": "Button label"
-	},
-	"cm_keyMap": {
-		"message": "Keymap",
-		"description": "Label for the drop-down list controlling the keymap for the style editor."
-	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
-	"cm_indentWithTabs": {
-		"message": "Use tabs with smart indentation",
-		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
-	},
-	"replaceWith": {
-		"message": "Replace with",
-		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
-	},
 	"deleteStyleLabel": {
 		"message": "حذف",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "كتابة نمط جديد",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
-	"manageOnlyEnabled": {
-		"message": "Only enabled styles",
-		"description": "Checkbox to show only enabled styles"
-	},
 	"editStyleLabel": {
 		"message": "تعديل",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
-	"helpKeyMapCommand": {
-		"message": "Type a command name",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
 	"description": {
 		"message": "يمكنك تغيير نمط الويب باستخدام Stylus، وهي أداة لإدارة أنماط المستخدم. وتتيح Stylus لك بسهولة تثبيت المظاهر والأشكال الخارجية لكل من Google، وFacebook وYouTube وOrkut فضلاً عن الكثير جدًا من مواقع الويب الأخرى.",
 		"description": "Extension description"
diff --git a/_locales/cs/messages.json b/_locales/cs/messages.json
index 25aae826..fce24a4b 100644
--- a/_locales/cs/messages.json
+++ b/_locales/cs/messages.json
@@ -107,10 +107,6 @@
 		"message": "Nápověda",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
 	"search": {
 		"message": "Vyhledat",
 		"description": "Label before the search input field in the editor shown on Ctrl-F"
@@ -415,10 +411,6 @@
 		"message": "Styl v Mozilla formátu",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
 	"writeStyleFor": {
 		"message": "Napsat nový styl pro:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
diff --git a/_locales/de/messages.json b/_locales/de/messages.json
index 113fd405..1052a73e 100644
--- a/_locales/de/messages.json
+++ b/_locales/de/messages.json
@@ -107,10 +107,6 @@
 		"message": "Hilfe",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
 	"search": {
 		"message": "Suche",
 		"description": "Label before the search input field in the editor shown on Ctrl-F"
@@ -131,10 +127,6 @@
 		"message": "Installierte Styles",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
 	"styleRegexpProblemTooltip": {
 		"message": "Anzahl der Bereiche, welche aufgrund nicht korrekt verwendeter Regulärer Ausdrücke nicht angewendet wurden.",
 		"description": "Tooltip in the popup for styles that were applied only partially"
@@ -292,18 +284,10 @@
 		"message": "Setzt diese Einstellungen auf die Standard-Werte zurück.",
 		"description": ""
 	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Möchtest Du diesen Style wirklich löschen?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
 	"styleBadRegexp": {
 		"message": "Regulärer Ausdruck ist ungültig.",
 		"description": "Validation message for a bad regexp in a style"
@@ -415,10 +399,6 @@
 		"message": "Style im Mozilla Format",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
 	"writeStyleFor": {
 		"message": "Style erstellen für:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
@@ -472,10 +452,6 @@
 		"message": "Importieren der Styles abgeschlossen.",
 		"description": "Title of the report shown after importing styles"
 	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
 	"cm_matchHighlight": {
 		"message": "Hervorheben",
 		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
@@ -540,10 +516,6 @@
 		"message": "Optionen zurücksetzten",
 		"description": ""
 	},
-	"sectionCode": {
-		"message": "Code",
-		"description": "Label for the code for a section"
-	},
 	"optionsAdvancedContextDelete": {
 		"message": "'Löschen' im Editor-Kontextmenü hinzufügen",
 		"description": ""
@@ -584,10 +556,6 @@
 		"message": "Nur die Auswahl",
 		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
 	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
 	"updateAllCheckSucceededSomeEdited": {
 		"message": "Einige Styles wurden nicht aktualisiert, um dem Verlust von lokalen Bearbeitungen vorzubeugen. Die Aktualisierungen können entweder durch einzelne manuelle Überprüfung oder durch eine erneute Ausführung der Aktualisierung für alle Styles erzwungen werden (Lokale Bearbeitungen werden dann überschrieben).",
 		"description": "Text that displays when an update all check completed and no updates are available"
@@ -744,10 +712,6 @@
 		"message": "Bearbeiten",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
 	"backupMessage": {
 		"message": "Wähle eine Datei aus oder ziehe die Datei auf diese Seite. (Drag and Drop)",
 		"description": "Message for backup"
diff --git a/_locales/el/messages.json b/_locales/el/messages.json
index ea843696..a6e0de1a 100644
--- a/_locales/el/messages.json
+++ b/_locales/el/messages.json
@@ -3,42 +3,6 @@
 		"message": "Τα πάντα",
 		"description": "Text displayed for styles that apply to all sites"
 	},
-	"defaultTheme": {
-		"message": "default",
-		"description": "Default CodeMirror CSS theme option on the edit style page"
-	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
-	"exportLabel": {
-		"message": "Export",
-		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
-	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
 	"cm_tabSize": {
 		"message": "Μέγεθος καρτέλας",
 		"description": "Label for the text box controlling tab size option for the style editor."
@@ -51,14 +15,6 @@
 		"message": "Εισάγετε ένα όνομα.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "URL στον τομέα",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,62 +23,14 @@
 		"message": "Έλεγχος για ενημερώσεις",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
-	"importAppendLabel": {
-		"message": "Append to style",
-		"description": "Label for the button to import a style and append to the existing sections"
-	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
 	"updateAllCheckSucceededNoUpdate": {
 		"message": "Όλα τα στυλ είναι ενημερωμένα.",
 		"description": "Text that displays when an update all check completed and no updates are available"
 	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
-	"styleFromMozillaFormatPrompt": {
-		"message": "Paste the Mozilla-format code",
-		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
-	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "Βοήθεια",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
-	"search": {
-		"message": "Search",
-		"description": "Label before the search input field in the editor shown on Ctrl-F"
-	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
-	"confirmYes": {
-		"message": "Yes",
-		"description": "'Yes' button in a confirm dialog"
-	},
 	"findStylesForSite": {
 		"message": "Αναζήτηση περισσότερων στυλ για αυτή την ιστοσελίδα",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -131,14 +39,6 @@
 		"message": "Εγκατεστημένα Στυλ",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "Ενεργοποιημένη",
 		"description": "Label for the enabled state of styles"
@@ -151,38 +51,14 @@
 		"message": "Προσθήκη ένος άλλου τμήματος",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "Αποθήκευση",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
-	"confirmStop": {
-		"message": "Stop",
-		"description": "'Stop' button in a confirm dialog"
-	},
 	"writeStyleForURL": {
 		"message": "αυτή την διεύθυνση URL",
 		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
 	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "Προσθήκη",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +67,6 @@
 		"message": "Διευθύνσεις URL που ταιριάζουν με την κανονική έκφραση",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "Εγκατάσταση του '$stylename$' στο Stylus;",
 		"description": "Confirmation when installing a style",
@@ -208,38 +76,6 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
-	"manageText": {
-		"message": "<a href='https://userstyles.org'>Get styles on userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Get help</a>",
-		"description": "Help text on the manage page"
-	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
-	"searchStyles": {
-		"message": "Search contents",
-		"description": "Label for the search filter textbox on the Manage styles page"
-	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "Απενεργοποίηση",
 		"description": "Label for the button to disable a style"
@@ -248,10 +84,6 @@
 		"message": "Εμφάνιση αριθμού των στυλ που δραστηριοποιούνται για την τρέχουσα τοποθεσία στην μπάρα εργαλείων",
 		"description": "Label for the checkbox controlling toolbar badge text."
 	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
 	"menuShowBadge": {
 		"message": "Εμφάνιση ενεργους καταμέτρησης στυλ",
 		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
@@ -268,14 +100,6 @@
 		"message": "Έχετε κάνει αλλαγές σε αυτό το ύφος χωρίς αποθήκευση.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
-	"importLabel": {
-		"message": "Import",
-		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
-	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "Αποτυχία ενημέρωσης: απρόσιτος διακομιστής.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
@@ -288,22 +112,10 @@
 		"message": "Εφαρμογή όλων των ενημερώσεων",
 		"description": "Label for the button to apply all detected updates"
 	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Είστε σίγουροι ότι θέλετε να διαγράψετε αυτό το στυλ;",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
 	"styleBadRegexp": {
 		"message": "Το Regexp δεν είναι έγκυρο.",
 		"description": "Validation message for a bad regexp in a style"
@@ -321,14 +133,6 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
 	"styleUpdate": {
 		"message": "Είστε σίγουροι ότι θέλετε να ενημερώσετε το '$stylename$';",
 		"description": "Confirmation when updating a style",
@@ -342,10 +146,6 @@
 		"message": "Ενότητες",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "Επεξεργασία του στυλ $stylename$",
 		"description": "Title of the page for editing styles",
@@ -363,30 +163,6 @@
 		"message": "Διευθύνσεις URL που αρχίζουν με",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
-	"searchRegexp": {
-		"message": "Use /re/ syntax for regexp search",
-		"description": "Label after the search input field in the editor shown on Ctrl-F"
-	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
-	"importReplaceTooltip": {
-		"message": "Discard contents of current style and overwrite it with the imported style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
 	"popupStylesFirst": {
 		"message": "Στυλ λίστας πριν των εντολών στο μενού του κουμπιού γραμμής εργαλείων",
 		"description": "Label for the checkbox controlling section order in the popup."
@@ -407,14 +183,6 @@
 		"message": "Αφαίρεση",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
-	"styleToMozillaFormatTitle": {
-		"message": "Style in Mozilla format",
-		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
-	},
 	"manageTitle": {
 		"message": "Κομψή",
 		"description": "Title for the manage page"
@@ -423,26 +191,10 @@
 		"message": "Γράψτε νέο στυλ για:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
 	},
-	"replace": {
-		"message": "Replace",
-		"description": "Label before the replace input field in the editor shown on Ctrl-H"
-	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "Ισχύει για",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "Διαχείριση εγκατεστημένων στυλ",
 		"description": "Link to open the manage page."
@@ -464,34 +216,6 @@
 		"message": "Εγκατάσταση ενημέρωσης",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "Αφαίρεση ενότητας",
 		"description": "Label for the button to remove a section"
@@ -500,18 +224,6 @@
 		"message": "Απενεργοποιηση ολων των στυλ",
 		"description": "Label for the checkbox that turns all enabled styles off."
 	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
-	"undoGlobal": {
-		"message": "Undo in all sections",
-		"description": "CSS-beautify global Undo button label"
-	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "Η ενημέρωση ολοκληρώθηκε.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +232,14 @@
 		"message": "Έλεγχος...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
 	"sectionCode": {
 		"message": "Κώδικας",
 		"description": "Label for the code for a section"
 	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
 	"cm_smartIndent": {
 		"message": "Χρήση έξυπνης εσοχής",
 		"description": "Label for the checkbox controlling smart indentation option for the style editor."
 	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "Χρησιμοποιήστε το \"Ισχύει για\" έλεγχοι ώστε να περιοριστουν ποιες διευθύνσεις τον κώδικα σε αυτό το τμήμα να εφαρμόζονται.",
 		"description": "Help text for 'applies to' section"
@@ -568,174 +248,38 @@
 		"message": "Επεξεργασία Στυλ",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
 	"stylusUnavailableForURL": {
 		"message": "To Stylus δεν λειτουργεί σε σελίδες όπως αυτή.",
 		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
 	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "Προσθήκη στυλ",
 		"description": "Title of the page for adding styles"
 	},
-	"importReplaceLabel": {
-		"message": "Overwrite style",
-		"description": "Label for the button to import and overwrite current style"
-	},
 	"dbError": {
 		"message": "Παρουσιάστηκε σφάλμα χρησιμοποιώντας την κομψή βάση δεδομένων. Θα θέλατε να επισκεφθείτε μια ιστοσελίδα με πιθανές λύσεις;",
 		"description": "Prompt when a DB error is encountered"
 	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
-	"importAppendTooltip": {
-		"message": "Append the imported style to current style",
-		"description": "Tooltip for the button to import a style and append to the existing sections"
-	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
-	"helpKeyMapHotkey": {
-		"message": "Press a hotkey",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
-	"replaceAll": {
-		"message": "Replace all",
-		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
-	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
 	"editGotoLine": {
 		"message": "Μετάβαση στη γραμμή (ή line:col)",
 		"description": "Go to line or line:column on Ctrl-G in style code editor"
 	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "Έλεγχος όλων των στυλ για ενημερώσεις",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
-	"issuesHelp": {
-		"message": "The issues found by <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> with these rules enabled:",
-		"description": "Help popup message for the CSSLint issues block on the style edit page"
-	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
-	"confirmNo": {
-		"message": "No",
-		"description": "'No' button in a confirm dialog"
-	},
-	"undo": {
-		"message": "Undo",
-		"description": "Button label"
-	},
-	"cm_keyMap": {
-		"message": "Keymap",
-		"description": "Label for the drop-down list controlling the keymap for the style editor."
-	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
 	"cm_indentWithTabs": {
 		"message": "Χρήση καρτελών με έξυπνη εσοχή",
 		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
 	},
-	"replaceWith": {
-		"message": "Replace with",
-		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
-	},
 	"deleteStyleLabel": {
 		"message": "Διαγραφή",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "Γράψτε νέο στυλ",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
 	"manageOnlyEnabled": {
 		"message": "Μόνο ενεργοποιημένα στυλ",
 		"description": "Checkbox to show only enabled styles"
@@ -744,22 +288,6 @@
 		"message": "Επεξεργασία",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
-	"helpKeyMapCommand": {
-		"message": "Type a command name",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
 	"description": {
 		"message": "Επαναπροσδιορίση του διαδίκτυου με το  Stylus, έναν διαχειριστή στυλ. Το Stylus σας επιτρέπει να εγκαταστήσετε εύκολα themes και skins για πολλές δημοφιλείς ιστοσελίδες.",
 		"description": "Extension description"
diff --git a/_locales/es/messages.json b/_locales/es/messages.json
index 9302d44a..e925e441 100644
--- a/_locales/es/messages.json
+++ b/_locales/es/messages.json
@@ -415,10 +415,6 @@
 		"message": "Estilo en formato Mozilla",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
 	"writeStyleFor": {
 		"message": "Escribir estilo para:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
@@ -584,10 +580,6 @@
 		"message": "Sólo selección",
 		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
 	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
 	"updateAllCheckSucceededSomeEdited": {
 		"message": "No se buscaron actualizaciones de algunos estilos actualizables para evitar la pérdida de posibles ediciones locales. Se puede forzar la búsqueda de actualizaciones mediante comprobación individual, o ejecutando otra búsqueda para todos los estilos (las ediciones locales se sobrescribirán).",
 		"description": "Text that displays when an update all check completed and no updates are available"
@@ -680,10 +672,6 @@
 		"message": "Anchura del diálogo emergente (en píxeles)",
 		"description": ""
 	},
-	"confirmNo": {
-		"message": "No",
-		"description": "'No' button in a confirm dialog"
-	},
 	"undo": {
 		"message": "Deshacer",
 		"description": "Button label"
diff --git a/_locales/fi/messages.json b/_locales/fi/messages.json
index b953494f..3a751e01 100644
--- a/_locales/fi/messages.json
+++ b/_locales/fi/messages.json
@@ -3,46 +3,6 @@
 		"message": "Kaikki",
 		"description": "Text displayed for styles that apply to all sites"
 	},
-	"defaultTheme": {
-		"message": "default",
-		"description": "Default CodeMirror CSS theme option on the edit style page"
-	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
-	"exportLabel": {
-		"message": "Export",
-		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
-	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
-	"cm_tabSize": {
-		"message": "Tab size",
-		"description": "Label for the text box controlling tab size option for the style editor."
-	},
 	"enableStyleLabel": {
 		"message": "Aktivoi",
 		"description": "Label for the button to enable a style"
@@ -51,14 +11,6 @@
 		"message": "Syötä nimi.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "URL ositteita domainilla",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,62 +19,14 @@
 		"message": "Hae päivityksiä",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
-	"importAppendLabel": {
-		"message": "Append to style",
-		"description": "Label for the button to import a style and append to the existing sections"
-	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
 	"updateAllCheckSucceededNoUpdate": {
 		"message": "All styles are up to date.",
 		"description": "Text that displays when an update all check completed and no updates are available"
 	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
-	"styleFromMozillaFormatPrompt": {
-		"message": "Paste the Mozilla-format code",
-		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
-	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "Apu",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
-	"search": {
-		"message": "Search",
-		"description": "Label before the search input field in the editor shown on Ctrl-F"
-	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
-	"confirmYes": {
-		"message": "Yes",
-		"description": "'Yes' button in a confirm dialog"
-	},
 	"findStylesForSite": {
 		"message": "Hae lisää tyylejä tälle sivustolle",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -131,14 +35,6 @@
 		"message": "Asennetut Tyylit",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "Aktivoitu",
 		"description": "Label for the enabled state of styles"
@@ -151,38 +47,10 @@
 		"message": "Lisää uusi osio",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "Tallenna",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
-	"confirmStop": {
-		"message": "Stop",
-		"description": "'Stop' button in a confirm dialog"
-	},
-	"writeStyleForURL": {
-		"message": "this URL",
-		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
-	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "Lisää",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +59,6 @@
 		"message": "URL ositteet jotka vastaavat regexpiä",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "Asennetaanko '$stylename$' Stylusiin?",
 		"description": "Confirmation when installing a style",
@@ -208,38 +68,6 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
-	"manageText": {
-		"message": "<a href='https://userstyles.org'>Get styles on userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Get help</a>",
-		"description": "Help text on the manage page"
-	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
-	"searchStyles": {
-		"message": "Search contents",
-		"description": "Label for the search filter textbox on the Manage styles page"
-	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "Poista Käytöstä",
 		"description": "Label for the button to disable a style"
@@ -248,18 +76,6 @@
 		"message": "Show number of styles active for the current site on the toolbar button",
 		"description": "Label for the checkbox controlling toolbar badge text."
 	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"menuShowBadge": {
-		"message": "Show active style count",
-		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
-	},
-	"cm_lineWrapping": {
-		"message": "Word wrap",
-		"description": "Label for the checkbox controlling word wrap option for the style editor."
-	},
 	"styleCancelEditLabel": {
 		"message": "Takaisin hallintapaneeliin",
 		"description": "Label for cancel button for style editing"
@@ -268,50 +84,18 @@
 		"message": "Olet tehnyt muutoksia tähän tyyliin tallentamatta.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
-	"importLabel": {
-		"message": "Import",
-		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
-	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "Päivitys epäonnistui: ei voitu yhdistää palvelimeen.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
 	},
-	"manageFilters": {
-		"message": "Filters",
-		"description": "Label for filters container"
-	},
-	"applyAllUpdates": {
-		"message": "Apply all updates",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Oletko varma että haluat poistaa tämän tyylin?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
 	"styleBadRegexp": {
 		"message": "Regexp ei kelpaa.",
 		"description": "Validation message for a bad regexp in a style"
 	},
-	"optionsHeading": {
-		"message": "Options",
-		"description": "Heading for options section on manage page."
-	},
 	"appliesDisplay": {
 		"message": "Kooskee: $applies$",
 		"description": "Text on the manage screen to describe what the style applies to",
@@ -321,31 +105,10 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
-	"styleUpdate": {
-		"message": "Are you sure you want to update '$stylename$'?",
-		"description": "Confirmation when updating a style",
-		"placeholders": {
-			"stylename": {
-				"content": "$1"
-			}
-		}
-	},
 	"styleSectionsTitle": {
 		"message": "Osiot",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "Muokkaa Tyyliä $stylename$",
 		"description": "Title of the page for editing styles",
@@ -363,30 +126,6 @@
 		"message": "URL osoitteet jotka alkavat",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
-	"searchRegexp": {
-		"message": "Use /re/ syntax for regexp search",
-		"description": "Label after the search input field in the editor shown on Ctrl-F"
-	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
-	"importReplaceTooltip": {
-		"message": "Discard contents of current style and overwrite it with the imported style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
 	"popupStylesFirst": {
 		"message": "List styles before commands in the toolbar button menu",
 		"description": "Label for the checkbox controlling section order in the popup."
@@ -407,42 +146,14 @@
 		"message": "Poista",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
-	"styleToMozillaFormatTitle": {
-		"message": "Style in Mozilla format",
-		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
-	},
 	"manageTitle": {
 		"message": "Tyylikäs",
 		"description": "Title for the manage page"
 	},
-	"writeStyleFor": {
-		"message": "Write style for: ",
-		"description": "Label for toolbar pop-up that precedes the links to write a new style"
-	},
-	"replace": {
-		"message": "Replace",
-		"description": "Label before the replace input field in the editor shown on Ctrl-H"
-	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "Koskee",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "Hallitse asennettuja tyylejä",
 		"description": "Link to open the manage page."
@@ -464,54 +175,10 @@
 		"message": "Asenna päivitys",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "Poista osio",
 		"description": "Label for the button to remove a section"
 	},
-	"disableAllStyles": {
-		"message": "Turn all styles off",
-		"description": "Label for the checkbox that turns all enabled styles off."
-	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
-	"undoGlobal": {
-		"message": "Undo in all sections",
-		"description": "CSS-beautify global Undo button label"
-	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "Päivitys suoritettu.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +187,10 @@
 		"message": "Tarkistetaan...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
 	"sectionCode": {
 		"message": "Koodi",
 		"description": "Label for the code for a section"
 	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
-	"cm_smartIndent": {
-		"message": "Use smart indentation",
-		"description": "Label for the checkbox controlling smart indentation option for the style editor."
-	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "Käytä 'Koskee' kontrolleja rajoittaaksesi mitä URL osoitteisiin tämä osio koodista koskee.",
 		"description": "Help text for 'applies to' section"
@@ -568,198 +199,26 @@
 		"message": "Muokkaa Tyyliä",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"stylusUnavailableForURL": {
-		"message": "Stylus doesn't work on pages like this.",
-		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "Lisää Tyyli",
 		"description": "Title of the page for adding styles"
 	},
-	"importReplaceLabel": {
-		"message": "Overwrite style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"dbError": {
-		"message": "An error has occurred using the Stylus database. Would you like to visit a web page with possible solutions?",
-		"description": "Prompt when a DB error is encountered"
-	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
-	"importAppendTooltip": {
-		"message": "Append the imported style to current style",
-		"description": "Tooltip for the button to import a style and append to the existing sections"
-	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
-	"helpKeyMapHotkey": {
-		"message": "Press a hotkey",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
-	"replaceAll": {
-		"message": "Replace all",
-		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
-	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
-	"editGotoLine": {
-		"message": "Goto line (or line:col)",
-		"description": "Go to line or line:column on Ctrl-G in style code editor"
-	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "Tarkista kaikki tyylit päivityksien varalta",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
-	"issuesHelp": {
-		"message": "The issues found by <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> with these rules enabled:",
-		"description": "Help popup message for the CSSLint issues block on the style edit page"
-	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
-	"confirmNo": {
-		"message": "No",
-		"description": "'No' button in a confirm dialog"
-	},
-	"undo": {
-		"message": "Undo",
-		"description": "Button label"
-	},
-	"cm_keyMap": {
-		"message": "Keymap",
-		"description": "Label for the drop-down list controlling the keymap for the style editor."
-	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
-	"cm_indentWithTabs": {
-		"message": "Use tabs with smart indentation",
-		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
-	},
-	"replaceWith": {
-		"message": "Replace with",
-		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
-	},
 	"deleteStyleLabel": {
 		"message": "Poista",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "Uusi Tyyli",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
-	"manageOnlyEnabled": {
-		"message": "Only enabled styles",
-		"description": "Checkbox to show only enabled styles"
-	},
 	"editStyleLabel": {
 		"message": "Muokkaa",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
-	"helpKeyMapCommand": {
-		"message": "Type a command name",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
 	"description": {
 		"message": "Uudelleen stailaa netti Stylusillä, käyttäjän tyyli hallintapaneelilla. Stylus antaa sinun helposti asentaa teemoja ja skinejä palvelluille kuten Google, Facebook, YouTube, Orkut, ja monelle, monelle muulle sivustolle.",
 		"description": "Extension description"
diff --git a/_locales/fr/messages.json b/_locales/fr/messages.json
index 604a1214..892244cf 100644
--- a/_locales/fr/messages.json
+++ b/_locales/fr/messages.json
@@ -7,38 +7,10 @@
 		"message": "défaut",
 		"description": "Default CodeMirror CSS theme option on the edit style page"
 	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
 	"exportLabel": {
 		"message": "Exportez",
 		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
 	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
 	"cm_tabSize": {
 		"message": "Taille des tabulations",
 		"description": "Label for the text box controlling tab size option for the style editor."
@@ -51,14 +23,6 @@
 		"message": "Veuillez saisir un nom.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "URL sur le domaine",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,58 +31,14 @@
 		"message": "Rechercher des mises à jour",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
-	"importAppendLabel": {
-		"message": "Append to style",
-		"description": "Label for the button to import a style and append to the existing sections"
-	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
 	"updateAllCheckSucceededNoUpdate": {
 		"message": "All styles are up to date.",
 		"description": "Text that displays when an update all check completed and no updates are available"
 	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
-	"styleFromMozillaFormatPrompt": {
-		"message": "Paste the Mozilla-format code",
-		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
-	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "Aide",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
-	"search": {
-		"message": "Search",
-		"description": "Label before the search input field in the editor shown on Ctrl-F"
-	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
 	"confirmYes": {
 		"message": "Oui",
 		"description": "'Yes' button in a confirm dialog"
@@ -131,14 +51,6 @@
 		"message": "Styles installés",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "Activé",
 		"description": "Label for the enabled state of styles"
@@ -151,38 +63,14 @@
 		"message": "Ajouter une section",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "Enregistrer",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
-	"confirmStop": {
-		"message": "Stop",
-		"description": "'Stop' button in a confirm dialog"
-	},
 	"writeStyleForURL": {
 		"message": "cette URL",
 		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
 	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "Ajouter",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +79,6 @@
 		"message": "URL correspondant à l'expression régulière",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "Installer \"$stylename$\" dans Stylus ?",
 		"description": "Confirmation when installing a style",
@@ -208,38 +88,6 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
-	"manageText": {
-		"message": "<a href='https://userstyles.org'>Get styles on userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Get help</a>",
-		"description": "Help text on the manage page"
-	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
-	"searchStyles": {
-		"message": "Search contents",
-		"description": "Label for the search filter textbox on the Manage styles page"
-	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "Désactiver",
 		"description": "Label for the button to disable a style"
@@ -248,14 +96,6 @@
 		"message": "Afficher le nombre de styles actifs pour le site actuel sur le boutton Stylus",
 		"description": "Label for the checkbox controlling toolbar badge text."
 	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"menuShowBadge": {
-		"message": "Show active style count",
-		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
-	},
 	"cm_lineWrapping": {
 		"message": "Retour à la ligne automatique",
 		"description": "Label for the checkbox controlling word wrap option for the style editor."
@@ -268,14 +108,6 @@
 		"message": "Vous avez apporté des modifications à ce style sans les enregistrer.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
-	"importLabel": {
-		"message": "Import",
-		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
-	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "Échec de la mise à jour: le serveur est inaccessible.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
@@ -284,34 +116,14 @@
 		"message": "Filtres",
 		"description": "Label for filters container"
 	},
-	"applyAllUpdates": {
-		"message": "Apply all updates",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Voulez-vous vraiment supprimer ce style ?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
 	"styleBadRegexp": {
 		"message": "Le Regexp est éronné",
 		"description": "Validation message for a bad regexp in a style"
 	},
-	"optionsHeading": {
-		"message": "Options",
-		"description": "Heading for options section on manage page."
-	},
 	"appliesDisplay": {
 		"message": "S'applique à : $applies$",
 		"description": "Text on the manage screen to describe what the style applies to",
@@ -321,14 +133,6 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
 	"styleUpdate": {
 		"message": "Voulez-vous mettre à jour '$stylename$'?",
 		"description": "Confirmation when updating a style",
@@ -338,14 +142,6 @@
 			}
 		}
 	},
-	"styleSectionsTitle": {
-		"message": "Sections",
-		"description": "Title for the style sections section"
-	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "Modifier le style $stylename$",
 		"description": "Title of the page for editing styles",
@@ -363,30 +159,6 @@
 		"message": "URL commençant par",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
-	"searchRegexp": {
-		"message": "Use /re/ syntax for regexp search",
-		"description": "Label after the search input field in the editor shown on Ctrl-F"
-	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
-	"importReplaceTooltip": {
-		"message": "Discard contents of current style and overwrite it with the imported style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
 	"popupStylesFirst": {
 		"message": "List styles before commands in the toolbar button menu",
 		"description": "Label for the checkbox controlling section order in the popup."
@@ -407,42 +179,10 @@
 		"message": "Supprimer",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
-	"styleToMozillaFormatTitle": {
-		"message": "Style in Mozilla format",
-		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
-	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
-	"writeStyleFor": {
-		"message": "Write style for: ",
-		"description": "Label for toolbar pop-up that precedes the links to write a new style"
-	},
-	"replace": {
-		"message": "Replace",
-		"description": "Label before the replace input field in the editor shown on Ctrl-H"
-	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "S'applique à",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "Gérer les styles installés",
 		"description": "Link to open the manage page."
@@ -464,34 +204,6 @@
 		"message": "Installer la mise à jour",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "Supprimer la section",
 		"description": "Label for the button to remove a section"
@@ -500,18 +212,6 @@
 		"message": "Désactiver tous les styles",
 		"description": "Label for the checkbox that turns all enabled styles off."
 	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
-	"undoGlobal": {
-		"message": "Undo in all sections",
-		"description": "CSS-beautify global Undo button label"
-	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "Mise à jour terminée.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +220,6 @@
 		"message": "Vérification en cours…",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
-	"sectionCode": {
-		"message": "Code",
-		"description": "Label for the code for a section"
-	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
-	"cm_smartIndent": {
-		"message": "Use smart indentation",
-		"description": "Label for the checkbox controlling smart indentation option for the style editor."
-	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "Utilisez l'option \"S'applique à\" pour préciser les URL auxquelles le code de cette section s'applique.",
 		"description": "Help text for 'applies to' section"
@@ -568,194 +228,38 @@
 		"message": "Modifier le style",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
 	"stylusUnavailableForURL": {
 		"message": "Stylus ne fonctionne pas sur les pages de ce genre",
 		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
 	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "Ajouter un style",
 		"description": "Title of the page for adding styles"
 	},
-	"importReplaceLabel": {
-		"message": "Overwrite style",
-		"description": "Label for the button to import and overwrite current style"
-	},
 	"dbError": {
 		"message": "Une erreur s'est produite dans la base de donnée de Stylus. Voulez-vous visiter une page web avec les solutions possibles ?",
 		"description": "Prompt when a DB error is encountered"
 	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
-	"importAppendTooltip": {
-		"message": "Append the imported style to current style",
-		"description": "Tooltip for the button to import a style and append to the existing sections"
-	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
-	"helpKeyMapHotkey": {
-		"message": "Press a hotkey",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
-	"replaceAll": {
-		"message": "Replace all",
-		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
-	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
-	"editGotoLine": {
-		"message": "Goto line (or line:col)",
-		"description": "Go to line or line:column on Ctrl-G in style code editor"
-	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "Rechercher des mises à jour pour tous les styles",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
-	"issuesHelp": {
-		"message": "The issues found by <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> with these rules enabled:",
-		"description": "Help popup message for the CSSLint issues block on the style edit page"
-	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
 	"confirmNo": {
 		"message": "Non",
 		"description": "'No' button in a confirm dialog"
 	},
-	"undo": {
-		"message": "Undo",
-		"description": "Button label"
-	},
-	"cm_keyMap": {
-		"message": "Keymap",
-		"description": "Label for the drop-down list controlling the keymap for the style editor."
-	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
-	"cm_indentWithTabs": {
-		"message": "Use tabs with smart indentation",
-		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
-	},
-	"replaceWith": {
-		"message": "Replace with",
-		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
-	},
 	"deleteStyleLabel": {
 		"message": "Supprimer",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "Créer un nouveau style",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
-	"manageOnlyEnabled": {
-		"message": "Only enabled styles",
-		"description": "Checkbox to show only enabled styles"
-	},
 	"editStyleLabel": {
 		"message": "Modifier",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
 	"helpKeyMapCommand": {
 		"message": "Tapez un nom de commande",
 		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
diff --git a/_locales/it/messages.json b/_locales/it/messages.json
index c7169210..e1a6f6a4 100644
--- a/_locales/it/messages.json
+++ b/_locales/it/messages.json
@@ -3,46 +3,6 @@
 		"message": "Tutto",
 		"description": "Text displayed for styles that apply to all sites"
 	},
-	"defaultTheme": {
-		"message": "default",
-		"description": "Default CodeMirror CSS theme option on the edit style page"
-	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
-	"exportLabel": {
-		"message": "Export",
-		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
-	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
-	"cm_tabSize": {
-		"message": "Tab size",
-		"description": "Label for the text box controlling tab size option for the style editor."
-	},
 	"enableStyleLabel": {
 		"message": "Attiva",
 		"description": "Label for the button to enable a style"
@@ -51,14 +11,6 @@
 		"message": "Inserisci un nome.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "URL nel dominio",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,62 +19,10 @@
 		"message": "Verifica la presenza di aggiornamenti",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
-	"importAppendLabel": {
-		"message": "Append to style",
-		"description": "Label for the button to import a style and append to the existing sections"
-	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
-	"updateAllCheckSucceededNoUpdate": {
-		"message": "No updates found.",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
-	"styleFromMozillaFormatPrompt": {
-		"message": "Paste the Mozilla-format code",
-		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
-	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "Guida",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
-	"search": {
-		"message": "Search",
-		"description": "Label before the search input field in the editor shown on Ctrl-F"
-	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
-	"confirmYes": {
-		"message": "Yes",
-		"description": "'Yes' button in a confirm dialog"
-	},
 	"findStylesForSite": {
 		"message": "Trova più stili per questo sito",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -131,14 +31,6 @@
 		"message": "Stili installati",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "Attivato",
 		"description": "Label for the enabled state of styles"
@@ -151,38 +43,10 @@
 		"message": "Aggiungi un'altra sezione",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "Salva",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
-	"confirmStop": {
-		"message": "Stop",
-		"description": "'Stop' button in a confirm dialog"
-	},
-	"writeStyleForURL": {
-		"message": "this URL",
-		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
-	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "Aggiungi",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +55,6 @@
 		"message": "URL corrispondenti all'espressione regolare",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "Installare \"$stylename$\" in Stylus?",
 		"description": "Confirmation when installing a style",
@@ -208,58 +64,10 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
-	"manageText": {
-		"message": "<a href='https://userstyles.org'>Get styles on userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Get help</a>",
-		"description": "Help text on the manage page"
-	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
-	"searchStyles": {
-		"message": "Search contents",
-		"description": "Label for the search filter textbox on the Manage styles page"
-	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "Disattiva",
 		"description": "Label for the button to disable a style"
 	},
-	"prefShowBadge": {
-		"message": "Number of styles active for the current site",
-		"description": "Label for the checkbox controlling toolbar badge text."
-	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"menuShowBadge": {
-		"message": "Show active style count",
-		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
-	},
-	"cm_lineWrapping": {
-		"message": "Word wrap",
-		"description": "Label for the checkbox controlling word wrap option for the style editor."
-	},
 	"styleCancelEditLabel": {
 		"message": "Torna a gestione",
 		"description": "Label for cancel button for style editing"
@@ -268,50 +76,14 @@
 		"message": "Hai apportato modifiche a questo stile senza salvare.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
-	"importLabel": {
-		"message": "Import",
-		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
-	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "Aggiornamento non riuscito: server non raggiungibile.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
 	},
-	"manageFilters": {
-		"message": "Filters",
-		"description": "Label for filters container"
-	},
-	"applyAllUpdates": {
-		"message": "Apply all updates",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Vuoi eliminare questo stile?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
-	"styleBadRegexp": {
-		"message": "Regexp is invalid.",
-		"description": "Validation message for a bad regexp in a style"
-	},
-	"optionsHeading": {
-		"message": "Options",
-		"description": "Heading for options section on manage page."
-	},
 	"appliesDisplay": {
 		"message": "Applica a: $applies$",
 		"description": "Text on the manage screen to describe what the style applies to",
@@ -321,31 +93,10 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
-	"styleUpdate": {
-		"message": "Are you sure you want to update '$stylename$'?",
-		"description": "Confirmation when updating a style",
-		"placeholders": {
-			"stylename": {
-				"content": "$1"
-			}
-		}
-	},
 	"styleSectionsTitle": {
 		"message": "Sezioni",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "Modifica dello stile $stylename$",
 		"description": "Title of the page for editing styles",
@@ -363,34 +114,6 @@
 		"message": "URL che iniziano con",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
-	"searchRegexp": {
-		"message": "Use /re/ syntax for regexp search",
-		"description": "Label after the search input field in the editor shown on Ctrl-F"
-	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
-	"importReplaceTooltip": {
-		"message": "Discard contents of current style and overwrite it with the imported style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
-	"popupStylesFirst": {
-		"message": "Styles before commands",
-		"description": "Label for the checkbox controlling section order in the popup."
-	},
 	"sectionHelp": {
 		"message": "Le sezioni consentono di definire diverse parti di codice da applicare a diversi insiemi di URL dello stesso stile. Ad esempio, un unico stile potrebbe modificare la home page di un sito diversamente da come modificherebbe il resto del sito.",
 		"description": "Help text for sections"
@@ -407,42 +130,10 @@
 		"message": "Rimuovi",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
-	"styleToMozillaFormatTitle": {
-		"message": "Style in Mozilla format",
-		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
-	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
-	"writeStyleFor": {
-		"message": "Write style for: ",
-		"description": "Label for toolbar pop-up that precedes the links to write a new style"
-	},
-	"replace": {
-		"message": "Replace",
-		"description": "Label before the replace input field in the editor shown on Ctrl-H"
-	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "Vale per",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "Gestisci gli stili installati",
 		"description": "Link to open the manage page."
@@ -464,54 +155,10 @@
 		"message": "Installa aggiornamento",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "Rimuovi sezione",
 		"description": "Label for the button to remove a section"
 	},
-	"disableAllStyles": {
-		"message": "Turn all styles off",
-		"description": "Label for the checkbox that turns all enabled styles off."
-	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
-	"undoGlobal": {
-		"message": "Undo in all sections",
-		"description": "CSS-beautify global Undo button label"
-	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "Aggiornamento completato.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +167,10 @@
 		"message": "Verifica in corso...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
 	"sectionCode": {
 		"message": "Codice",
 		"description": "Label for the code for a section"
 	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
-	"cm_smartIndent": {
-		"message": "Use smart indentation",
-		"description": "Label for the checkbox controlling smart indentation option for the style editor."
-	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "Utilizza i controlli \"Applica a\" per limitare gli URL a cui viene applicato il codice in questa sezione.",
 		"description": "Help text for 'applies to' section"
@@ -568,198 +179,26 @@
 		"message": "Modifica di stili",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"stylusUnavailableForURL": {
-		"message": "Stylus doesn't work on pages like this.",
-		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "Aggiunta di stili",
 		"description": "Title of the page for adding styles"
 	},
-	"importReplaceLabel": {
-		"message": "Overwrite style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"dbError": {
-		"message": "An error has occurred using the Stylus database. Would you like to visit a web page with possible solutions?",
-		"description": "Prompt when a DB error is encountered"
-	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
-	"importAppendTooltip": {
-		"message": "Append the imported style to current style",
-		"description": "Tooltip for the button to import a style and append to the existing sections"
-	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
-	"helpKeyMapHotkey": {
-		"message": "Press a hotkey",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
-	"replaceAll": {
-		"message": "Replace all",
-		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
-	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
-	"editGotoLine": {
-		"message": "Goto line (or line:col)",
-		"description": "Go to line or line:column on Ctrl-G in style code editor"
-	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "Verifica la disponibilità di aggiornamenti per tutti gli stili",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
-	"issuesHelp": {
-		"message": "The issues found by <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> with these rules enabled:",
-		"description": "Help popup message for the CSSLint issues block on the style edit page"
-	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
-	"confirmNo": {
-		"message": "No",
-		"description": "'No' button in a confirm dialog"
-	},
-	"undo": {
-		"message": "Undo",
-		"description": "Button label"
-	},
-	"cm_keyMap": {
-		"message": "Keymap",
-		"description": "Label for the drop-down list controlling the keymap for the style editor."
-	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
-	"cm_indentWithTabs": {
-		"message": "Use tabs with smart indentation",
-		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
-	},
-	"replaceWith": {
-		"message": "Replace with",
-		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
-	},
 	"deleteStyleLabel": {
 		"message": "Elimina",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "Scrivi nuovo stile",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
-	"manageOnlyEnabled": {
-		"message": "Only enabled styles",
-		"description": "Checkbox to show only enabled styles"
-	},
 	"editStyleLabel": {
 		"message": "Modifica",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
-	"helpKeyMapCommand": {
-		"message": "Type a command name",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
 	"description": {
 		"message": "Modifica lo stile del Web con Stylus, un gestore di stili utente. Stylus consente di installare facilmente temi e skin per Google, Facebook, YouTube, Orkut e moltissimi altri siti.",
 		"description": "Extension description"
diff --git a/_locales/ja/messages.json b/_locales/ja/messages.json
index 168fcec7..e01bad4a 100644
--- a/_locales/ja/messages.json
+++ b/_locales/ja/messages.json
@@ -27,10 +27,6 @@
 		"message": "エクスポート",
 		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
 	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
 	"optionsBadgeNormal": {
 		"message": "背景色",
 		"description": ""
@@ -67,18 +63,6 @@
 		"message": "アップデートをチェック",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
 	"importAppendLabel": {
 		"message": "スタイルに追加",
 		"description": "Label for the button to import a style and append to the existing sections"
@@ -91,10 +75,6 @@
 		"message": "更新は見つかりませんでした。",
 		"description": "Text that displays when an update all check completed and no updates are available"
 	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
 	"styleFromMozillaFormatPrompt": {
 		"message": "Mozilla形式のコードを貼り付ける",
 		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
@@ -107,10 +87,6 @@
 		"message": "ヘルプ",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
 	"search": {
 		"message": "検索",
 		"description": "Label before the search input field in the editor shown on Ctrl-F"
@@ -131,14 +107,6 @@
 		"message": "インストール済みのスタイル",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "有効",
 		"description": "Label for the enabled state of styles"
@@ -151,10 +119,6 @@
 		"message": "他のセクションを追加",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "保存",
 		"description": "Label for save button for style editing"
@@ -175,10 +139,6 @@
 		"message": "中止",
 		"description": "'Stop' button in a confirm dialog"
 	},
-	"writeStyleForURL": {
-		"message": "this URL",
-		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
-	},
 	"optionsSubheading": {
 		"message": "その他のオプション",
 		"description": "Subheading for options section on manage page."
@@ -191,10 +151,6 @@
 		"message": "正規表現に一致する URL",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
 	"importReportLegendUpdatedCode": {
 		"message": "コードを更新",
 		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
@@ -232,10 +188,6 @@
 		"message": "旧バージョンまたはStylishからスタイルバックアップをインポートする場合は、スタイルマネージャで手動で更新を一度チェックして、すべてのスタイルが確実に更新されるようにします。",
 		"description": ""
 	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
 	"unreachableFileHint": {
 		"message": "Stylusはchrome://extensionsページのStylus拡張機能に対応するチェックボックスを有効にした場合にのみ、file:// URLにアクセスできます。",
 		"description": "Note in the toolbar popup for file:// URLs"
@@ -321,10 +273,6 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
 	"openStylesManager": {
 		"message": "スタイルマネージャーを開く",
 		"description": "Label for the style maanger opener in the browser action context menu."
@@ -342,10 +290,6 @@
 		"message": "セクション",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "スタイル「$stylename$」を編集",
 		"description": "Title of the page for editing styles",
@@ -383,10 +327,6 @@
 		"message": "現在のスタイルの内容を破棄し、インポートされたスタイルで上書きする",
 		"description": "Label for the button to import and overwrite current style"
 	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
 	"popupStylesFirst": {
 		"message": "スタイルをコマンドボタンの前に",
 		"description": "Label for the checkbox controlling section order in the popup."
@@ -407,18 +347,10 @@
 		"message": "削除",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
 	"styleToMozillaFormatTitle": {
 		"message": "Mozilla形式のスタイル",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
 	"writeStyleFor": {
 		"message": "次のスタイルを書く:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
@@ -427,14 +359,6 @@
 		"message": "置換",
 		"description": "Label before the replace input field in the editor shown on Ctrl-H"
 	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "適用先",
 		"description": "Label for 'applies to' fields on the edit/add screen"
@@ -472,22 +396,10 @@
 		"message": "スタイルのインポートが終了しました",
 		"description": "Title of the report shown after importing styles"
 	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
 	"cm_matchHighlight": {
 		"message": "ハイライト",
 		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
 	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
 	"unreachableContentScript": {
 		"message": "ページと通信できませんでした。タブを再読み込みしてみてください。",
 		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
@@ -508,10 +420,6 @@
 		"message": "すべてのセクションで元に戻す",
 		"description": "CSS-beautify global Undo button label"
 	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "更新が完了しました",
 		"description": "Text that displays when an update completed"
@@ -520,10 +428,6 @@
 		"message": "チェック中...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
 	"manageMaxTargets": {
 		"message": "適用先アイテムの数",
 		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
@@ -548,18 +452,10 @@
 		"message": "エディタのコンテキストメニューに「削除」を追加",
 		"description": ""
 	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
 	"cm_smartIndent": {
 		"message": "スマートインデントを使用する",
 		"description": "Label for the checkbox controlling smart indentation option for the style editor."
 	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "[適用先] を使用すると、このセクションのコードが適用される URL を制限することができます。",
 		"description": "Help text for 'applies to' section"
@@ -572,10 +468,6 @@
 		"message": "削除",
 		"description": "Label for the context menu item in the editor to delete selected text"
 	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
 	"stylusUnavailableForURLdetails": {
 		"message": "セキュリティ上の予防措置として、ブラウザは拡張機能が他の拡張機能のページと同様に、内蔵のページ（chrome://versionやabout:addonsなど）に影響を及ぼさないようにします。各ブラウザは、独自の拡張機能ギャラリー（ChromeウェブストアやAMOなど）へのアクセスも制限しています。",
 		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
@@ -584,10 +476,6 @@
 		"message": "選択した単語のみ",
 		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
 	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
 	"updateAllCheckSucceededSomeEdited": {
 		"message": "可能なローカル編集を失うのを避けるために、更新可能なスタイルがチェックされていませんでした。更新を強制的に行うには、個別にチェックするか、すべてのスタイルに対して別のチェックを実行します（ローカル編集は上書きされます）。",
 		"description": "Text that displays when an update all check completed and no updates are available"
@@ -608,10 +496,6 @@
 		"message": "スタイルを上書き",
 		"description": "Label for the button to import and overwrite current style"
 	},
-	"dbError": {
-		"message": "An error has occurred using the Stylus database. Would you like to visit a web page with possible solutions?",
-		"description": "Prompt when a DB error is encountered"
-	},
 	"optionsAdvanced": {
 		"message": "上級者向け",
 		"description": ""
@@ -632,22 +516,10 @@
 		"message": "ホットキーを押す",
 		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
 	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
 	"replaceAll": {
 		"message": "すべて置換",
 		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
 	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
 	"editGotoLine": {
 		"message": "行（または行:列）に移動",
 		"description": "Go to line or line:column on Ctrl-G in style code editor"
@@ -672,10 +544,6 @@
 		"message": "ツールバーアイコンのバッジ",
 		"description": ""
 	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
 	"optionsPopupWidth": {
 		"message": "ポップアップの幅 (ピクセル単位)",
 		"description": ""
@@ -716,14 +584,6 @@
 		"message": "削除",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "新しいスタイルを作成",
 		"description": "Label for the button to go to the add style page"
@@ -752,10 +612,6 @@
 		"message": "ファイルを選択するか、このページにドラッグ＆ドロップします。",
 		"description": "Message for backup"
 	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
 	"helpKeyMapCommand": {
 		"message": "コマンド名を入力",
 		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
diff --git a/_locales/nl/messages.json b/_locales/nl/messages.json
index 48795942..0f06ade9 100644
--- a/_locales/nl/messages.json
+++ b/_locales/nl/messages.json
@@ -7,22 +7,6 @@
 		"message": "standaard",
 		"description": "Default CodeMirror CSS theme option on the edit style page"
 	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
 	"exportLabel": {
 		"message": "Exporteren",
 		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
@@ -31,14 +15,6 @@
 		"message": "Problemen",
 		"description": "Label for the CSSLint issues block on the style edit page"
 	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
 	"cm_tabSize": {
 		"message": "Tabgrootte",
 		"description": "Label for the text box controlling tab size option for the style editor."
@@ -51,14 +27,6 @@
 		"message": "Vul een naam in.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "URL's op het domein",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,58 +35,26 @@
 		"message": "Controleren op update",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
 	"importAppendLabel": {
 		"message": "Toevoegen aan stijl",
 		"description": "Label for the button to import a style and append to the existing sections"
 	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
 	"updateAllCheckSucceededNoUpdate": {
 		"message": "Alle stijlen zijn bijgewerkt.",
 		"description": "Text that displays when an update all check completed and no updates are available"
 	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
 	"styleFromMozillaFormatPrompt": {
 		"message": "Plak de Mozilla-opmaakcode",
 		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
 	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "Hul",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
 	"search": {
 		"message": "Zoeken",
 		"description": "Label before the search input field in the editor shown on Ctrl-F"
 	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
 	"confirmYes": {
 		"message": "Ja",
 		"description": "'Yes' button in a confirm dialog"
@@ -135,10 +71,6 @@
 		"message": "Mooier maken",
 		"description": "Label for the CSS-beautifier button on the edit style page"
 	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "Ingeschakeld",
 		"description": "Label for the enabled state of styles"
@@ -151,26 +83,10 @@
 		"message": "Nog een sectie toevoegen",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "Opslaan",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
 	"confirmStop": {
 		"message": "Stoppen",
 		"description": "'Stop' button in a confirm dialog"
@@ -179,10 +95,6 @@
 		"message": "deze URL",
 		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
 	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "Toevoegen",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +103,6 @@
 		"message": "URL's overeenkomend met de regexp",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "'$stylename$' installeren in Stylus?",
 		"description": "Confirmation when installing a style",
@@ -208,38 +112,14 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
 	"manageText": {
 		"message": "<a href='https://userstyles.org'>Verkrijg stijlen op userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Verkrijg hulp</a>",
 		"description": "Help text on the manage page"
 	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"searchStyles": {
 		"message": "Inhoud doorzoeken",
 		"description": "Label for the search filter textbox on the Manage styles page"
 	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "Uitschakelen",
 		"description": "Label for the button to disable a style"
@@ -248,10 +128,6 @@
 		"message": "Aantal actieve stijlen voor de huidige website weergeven op de werkbalkknop",
 		"description": "Label for the checkbox controlling toolbar badge text."
 	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
 	"menuShowBadge": {
 		"message": "Teller voor actieve stijlen weergeven",
 		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
@@ -272,38 +148,18 @@
 		"message": "Importeren",
 		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
 	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "Update mislukt: server onbereikbaar.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
 	},
-	"manageFilters": {
-		"message": "Filters",
-		"description": "Label for filters container"
-	},
 	"applyAllUpdates": {
 		"message": "Alle bijwerkingen toepassen",
 		"description": "Label for the button to apply all detected updates"
 	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Weet u zeker dat u deze stijl wilt verwijderen?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
 	"styleBadRegexp": {
 		"message": "Regexp is ongeldig.",
 		"description": "Validation message for a bad regexp in a style"
@@ -321,14 +177,6 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
 	"styleUpdate": {
 		"message": "Weet u zeker dat u '$stylename$' wilt updaten?",
 		"description": "Confirmation when updating a style",
@@ -342,10 +190,6 @@
 		"message": "Secties",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "Stijl $stylename$ bewerken",
 		"description": "Title of the page for editing styles",
@@ -363,30 +207,14 @@
 		"message": "URL's beginnend met",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
 	"searchRegexp": {
 		"message": "Gebruik /re/-syntax voor regexp-zoeken",
 		"description": "Label after the search input field in the editor shown on Ctrl-F"
 	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
 	"importReplaceTooltip": {
 		"message": "Verwerp de inhoud van de huidige stijl en overschrijf het met de geïmporteerde stijl",
 		"description": "Label for the button to import and overwrite current style"
 	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
 	"popupStylesFirst": {
 		"message": "Stijlen vóór commando's opsomming in het werkbalkknopmenu",
 		"description": "Label for the checkbox controlling section order in the popup."
@@ -407,18 +235,10 @@
 		"message": "Verwijderen",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
 	"styleToMozillaFormatTitle": {
 		"message": "Stijl in Mozilla-opmaak",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
 	"writeStyleFor": {
 		"message": "Stijl schrijven voor:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
@@ -427,22 +247,10 @@
 		"message": "Vervangen",
 		"description": "Label before the replace input field in the editor shown on Ctrl-H"
 	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "Toepasbaar op",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "Geïnstalleerde stijlen beheren",
 		"description": "Link to open the manage page."
@@ -464,34 +272,10 @@
 		"message": "Update installeren",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
 	"styleMozillaFormatHeading": {
 		"message": "Mozilla-opmaak",
 		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
 	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "Sectie verwijderen",
 		"description": "Label for the button to remove a section"
@@ -500,18 +284,10 @@
 		"message": "Alle stijlen uitschakelen",
 		"description": "Label for the checkbox that turns all enabled styles off."
 	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
 	"undoGlobal": {
 		"message": "Ongedaan maken (globaal)",
 		"description": "CSS-beautify global Undo button label"
 	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "Update voltooid.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +296,10 @@
 		"message": "Bezig met controleren...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
-	"sectionCode": {
-		"message": "Code",
-		"description": "Label for the code for a section"
-	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
 	"cm_smartIndent": {
 		"message": "Slimme inspringing gebruiken",
 		"description": "Label for the checkbox controlling smart indentation option for the style editor."
 	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "Gebruik de 'Toepasbaar op'-functies om de URL's te limiteren in de sectie.",
 		"description": "Help text for 'applies to' section"
@@ -568,38 +308,10 @@
 		"message": "Stijl bewerken",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
 	"stylusUnavailableForURL": {
 		"message": "Stylus werkt niet op pagina's als deze.",
 		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
 	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "Stijl toevoegen",
 		"description": "Title of the page for adding styles"
@@ -612,74 +324,30 @@
 		"message": "Er is een fout opgetreden bij het gebruiken van de Stylus-database. Wilt u een webpagina met mogelijke oplossingen bezoeken?",
 		"description": "Prompt when a DB error is encountered"
 	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
 	"importAppendTooltip": {
 		"message": "Voeg de geïmporteerde stijl toe aan de huidige stijl",
 		"description": "Tooltip for the button to import a style and append to the existing sections"
 	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
 	"helpKeyMapHotkey": {
 		"message": "Druk op een sneltoets",
 		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
 	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
 	"replaceAll": {
 		"message": "Alles vervangen",
 		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
 	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
 	"editGotoLine": {
 		"message": "Ga naar regel (of regel:kolom)",
 		"description": "Go to line or line:column on Ctrl-G in style code editor"
 	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "Controleer alle stijlen op updates",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
 	"issuesHelp": {
 		"message": "De door CSSLint gevonden problemen, <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a>, met deze ingeschakelde regels:",
 		"description": "Help popup message for the CSSLint issues block on the style edit page"
 	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
 	"confirmNo": {
 		"message": "Nee",
 		"description": "'No' button in a confirm dialog"
@@ -692,18 +360,6 @@
 		"message": "Toetsenbordindeling",
 		"description": "Label for the drop-down list controlling the keymap for the style editor."
 	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
 	"cm_indentWithTabs": {
 		"message": "Tabs met slimme inspringing gebruiken",
 		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
@@ -716,26 +372,10 @@
 		"message": "Verwijderen",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "Nieuwe stijl schrijven",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
 	"manageOnlyEnabled": {
 		"message": "Alleen ingeschakelde stijlen",
 		"description": "Checkbox to show only enabled styles"
@@ -748,14 +388,6 @@
 		"message": "Thema",
 		"description": "Label for the style editor's CSS theme."
 	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
 	"helpKeyMapCommand": {
 		"message": "Voer een naam in voor het commando",
 		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
diff --git a/_locales/pt_BR/messages.json b/_locales/pt_BR/messages.json
index d42a411d..ce98da46 100644
--- a/_locales/pt_BR/messages.json
+++ b/_locales/pt_BR/messages.json
@@ -3,46 +3,6 @@
 		"message": "Tudo",
 		"description": "Text displayed for styles that apply to all sites"
 	},
-	"defaultTheme": {
-		"message": "default",
-		"description": "Default CodeMirror CSS theme option on the edit style page"
-	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
-	"exportLabel": {
-		"message": "Export",
-		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
-	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
-	"cm_tabSize": {
-		"message": "Tab size",
-		"description": "Label for the text box controlling tab size option for the style editor."
-	},
 	"enableStyleLabel": {
 		"message": "Ativar",
 		"description": "Label for the button to enable a style"
@@ -51,14 +11,6 @@
 		"message": "Insira um nome.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "URLs no domínio",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,62 +19,10 @@
 		"message": "Verificar atualizações",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
-	"importAppendLabel": {
-		"message": "Append to style",
-		"description": "Label for the button to import a style and append to the existing sections"
-	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
-	"updateAllCheckSucceededNoUpdate": {
-		"message": "No updates found.",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
-	"styleFromMozillaFormatPrompt": {
-		"message": "Paste the Mozilla-format code",
-		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
-	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "Ajuda",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
-	"search": {
-		"message": "Search",
-		"description": "Label before the search input field in the editor shown on Ctrl-F"
-	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
-	"confirmYes": {
-		"message": "Yes",
-		"description": "'Yes' button in a confirm dialog"
-	},
 	"findStylesForSite": {
 		"message": "Procurar mais estilos para este site",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -131,14 +31,6 @@
 		"message": "Estilos instalados",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "Ativado",
 		"description": "Label for the enabled state of styles"
@@ -151,38 +43,10 @@
 		"message": "Adicionar outra seção",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "Salvar",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
-	"confirmStop": {
-		"message": "Stop",
-		"description": "'Stop' button in a confirm dialog"
-	},
-	"writeStyleForURL": {
-		"message": "this URL",
-		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
-	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "Adicionar",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +55,6 @@
 		"message": "URLs que correspondem a regexp",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "Instalar \"$stylename$\" no Stylus?",
 		"description": "Confirmation when installing a style",
@@ -208,38 +64,6 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
-	"manageText": {
-		"message": "<a href='https://userstyles.org'>Get styles on userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Get help</a>",
-		"description": "Help text on the manage page"
-	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
-	"searchStyles": {
-		"message": "Search contents",
-		"description": "Label for the search filter textbox on the Manage styles page"
-	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "Desativar",
 		"description": "Label for the button to disable a style"
@@ -248,18 +72,6 @@
 		"message": "Show number of styles active for the current site on the toolbar button",
 		"description": "Label for the checkbox controlling toolbar badge text."
 	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"menuShowBadge": {
-		"message": "Show active style count",
-		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
-	},
-	"cm_lineWrapping": {
-		"message": "Word wrap",
-		"description": "Label for the checkbox controlling word wrap option for the style editor."
-	},
 	"styleCancelEditLabel": {
 		"message": "Voltar ao gerenciamento",
 		"description": "Label for cancel button for style editing"
@@ -268,50 +80,14 @@
 		"message": "Você fez alterações neste estilo sem salvar.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
-	"importLabel": {
-		"message": "Import",
-		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
-	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "A atualização falhou: servidor inacessível.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
 	},
-	"manageFilters": {
-		"message": "Filters",
-		"description": "Label for filters container"
-	},
-	"applyAllUpdates": {
-		"message": "Apply all updates",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Tem certeza de que deseja excluir este estilo?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
-	"styleBadRegexp": {
-		"message": "Regexp is invalid.",
-		"description": "Validation message for a bad regexp in a style"
-	},
-	"optionsHeading": {
-		"message": "Options",
-		"description": "Heading for options section on manage page."
-	},
 	"appliesDisplay": {
 		"message": "Aplica-se a: $applies$",
 		"description": "Text on the manage screen to describe what the style applies to",
@@ -321,31 +97,10 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
-	"styleUpdate": {
-		"message": "Are you sure you want to update '$stylename$'?",
-		"description": "Confirmation when updating a style",
-		"placeholders": {
-			"stylename": {
-				"content": "$1"
-			}
-		}
-	},
 	"styleSectionsTitle": {
 		"message": "Seções",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "Editar estilo $stylename$",
 		"description": "Title of the page for editing styles",
@@ -363,34 +118,6 @@
 		"message": "URLs que começam com",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
-	"searchRegexp": {
-		"message": "Use /re/ syntax for regexp search",
-		"description": "Label after the search input field in the editor shown on Ctrl-F"
-	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
-	"importReplaceTooltip": {
-		"message": "Discard contents of current style and overwrite it with the imported style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
-	"popupStylesFirst": {
-		"message": "Styles before commands",
-		"description": "Label for the checkbox controlling section order in the popup."
-	},
 	"sectionHelp": {
 		"message": "As seções permitem definir diferentes partes de código para aplicar a diferentes conjuntos de URLs no mesmo estilo. Por exemplo, um único estilo poderia alterar a página inicial de um site de uma forma, enquanto alteraria o resto do site de outra forma.",
 		"description": "Help text for sections"
@@ -407,42 +134,10 @@
 		"message": "Remover",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
-	"styleToMozillaFormatTitle": {
-		"message": "Style in Mozilla format",
-		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
-	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
-	"writeStyleFor": {
-		"message": "Write style for: ",
-		"description": "Label for toolbar pop-up that precedes the links to write a new style"
-	},
-	"replace": {
-		"message": "Replace",
-		"description": "Label before the replace input field in the editor shown on Ctrl-H"
-	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "Aplica-se a",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "Gerenciar estilos instalados",
 		"description": "Link to open the manage page."
@@ -464,54 +159,10 @@
 		"message": "Instalar atualização",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "Remover seção",
 		"description": "Label for the button to remove a section"
 	},
-	"disableAllStyles": {
-		"message": "Turn all styles off",
-		"description": "Label for the checkbox that turns all enabled styles off."
-	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
-	"undoGlobal": {
-		"message": "Undo in all sections",
-		"description": "CSS-beautify global Undo button label"
-	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "Atualização concluída.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +171,10 @@
 		"message": "Verificando...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
 	"sectionCode": {
 		"message": "Código",
 		"description": "Label for the code for a section"
 	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
-	"cm_smartIndent": {
-		"message": "Use smart indentation",
-		"description": "Label for the checkbox controlling smart indentation option for the style editor."
-	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "Use os controles \"Aplica-se a\" para limitar a quais URLs o código desta seção se aplica.",
 		"description": "Help text for 'applies to' section"
@@ -568,198 +183,26 @@
 		"message": "Editar estilo",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"stylusUnavailableForURL": {
-		"message": "Stylus doesn't work on pages like this.",
-		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "Adicionar estilo",
 		"description": "Title of the page for adding styles"
 	},
-	"importReplaceLabel": {
-		"message": "Overwrite style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"dbError": {
-		"message": "An error has occurred using the Stylus database. Would you like to visit a web page with possible solutions?",
-		"description": "Prompt when a DB error is encountered"
-	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
-	"importAppendTooltip": {
-		"message": "Append the imported style to current style",
-		"description": "Tooltip for the button to import a style and append to the existing sections"
-	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
-	"helpKeyMapHotkey": {
-		"message": "Press a hotkey",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
-	"replaceAll": {
-		"message": "Replace all",
-		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
-	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
-	"editGotoLine": {
-		"message": "Goto line (or line:col)",
-		"description": "Go to line or line:column on Ctrl-G in style code editor"
-	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "Verificar atualizações para todos os estilos",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
-	"issuesHelp": {
-		"message": "The issues found by <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> with these rules enabled:",
-		"description": "Help popup message for the CSSLint issues block on the style edit page"
-	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
-	"confirmNo": {
-		"message": "No",
-		"description": "'No' button in a confirm dialog"
-	},
-	"undo": {
-		"message": "Undo",
-		"description": "Button label"
-	},
-	"cm_keyMap": {
-		"message": "Keymap",
-		"description": "Label for the drop-down list controlling the keymap for the style editor."
-	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
-	"cm_indentWithTabs": {
-		"message": "Use tabs with smart indentation",
-		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
-	},
-	"replaceWith": {
-		"message": "Replace with",
-		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
-	},
 	"deleteStyleLabel": {
 		"message": "Excluir",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "Gravar novo estilo",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
-	"manageOnlyEnabled": {
-		"message": "Only enabled styles",
-		"description": "Checkbox to show only enabled styles"
-	},
 	"editStyleLabel": {
 		"message": "Editar",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
-	"helpKeyMapCommand": {
-		"message": "Type a command name",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
 	"description": {
 		"message": "Mude o estilo da web com o Stylus, um gerenciador de estilos do usuário. O Stylus permite instalar facilmente temas e skins para Google, Facebook, YouTube, Orkut e muitos, muitos outros sites.",
 		"description": "Extension description"
diff --git a/_locales/ru/messages.json b/_locales/ru/messages.json
index 5fb8ad26..157fda85 100644
--- a/_locales/ru/messages.json
+++ b/_locales/ru/messages.json
@@ -415,10 +415,6 @@
 		"message": "Стиль в формате Mozilla",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
 	"writeStyleFor": {
 		"message": "Создать стиль для:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
@@ -584,10 +580,6 @@
 		"message": "Выделенный текст",
 		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
 	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
 	"updateAllCheckSucceededSomeEdited": {
 		"message": "Не все стили были проверены, чтобы не потерять возможные локальные изменения. Форсировать обновление стиля можно индивидуально или запустив перепроверку всех обновляемых стилей (локальные изменения будут утеряны).",
 		"description": "Text that displays when an update all check completed and no updates are available"
diff --git a/_locales/sr/messages.json b/_locales/sr/messages.json
index 2cfabf6b..b55e7ad9 100644
--- a/_locales/sr/messages.json
+++ b/_locales/sr/messages.json
@@ -7,22 +7,6 @@
 		"message": "подразумевано",
 		"description": "Default CodeMirror CSS theme option on the edit style page"
 	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
 	"exportLabel": {
 		"message": "Извези",
 		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
@@ -31,14 +15,6 @@
 		"message": "Проблеми",
 		"description": "Label for the CSSLint issues block on the style edit page"
 	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
 	"cm_tabSize": {
 		"message": "Величина картице",
 		"description": "Label for the text box controlling tab size option for the style editor."
@@ -51,14 +27,6 @@
 		"message": "Унесите назив",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "УРЛ адресе на домену",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,58 +35,26 @@
 		"message": "Проверите ажурирање",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
 	"importAppendLabel": {
 		"message": "Додај стилу",
 		"description": "Label for the button to import a style and append to the existing sections"
 	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
 	"updateAllCheckSucceededNoUpdate": {
 		"message": "Сви стилови су ажурирани.",
 		"description": "Text that displays when an update all check completed and no updates are available"
 	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
 	"styleFromMozillaFormatPrompt": {
 		"message": "Налепи код у Mozilla формату",
 		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
 	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "Помоћ",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
 	"search": {
 		"message": "Претражи",
 		"description": "Label before the search input field in the editor shown on Ctrl-F"
 	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
 	"confirmYes": {
 		"message": "Да",
 		"description": "'Yes' button in a confirm dialog"
@@ -135,10 +71,6 @@
 		"message": "Улепшај",
 		"description": "Label for the CSS-beautifier button on the edit style page"
 	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "Омогућено",
 		"description": "Label for the enabled state of styles"
@@ -151,26 +83,10 @@
 		"message": "Додај нови одељак",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "Сачувај",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
 	"confirmStop": {
 		"message": "Заустави",
 		"description": "'Stop' button in a confirm dialog"
@@ -179,10 +95,6 @@
 		"message": "ову УРЛ адресу",
 		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
 	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "Додај",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +103,6 @@
 		"message": "УРЛ адресе које одговарају регуларном изразу",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "Инсталирати '$stylename$' у Stylus?",
 		"description": "Confirmation when installing a style",
@@ -208,38 +112,14 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
 	"manageText": {
 		"message": "<a href='https://userstyles.org'>Преузмите стилове са userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Помоћ</a>",
 		"description": "Help text on the manage page"
 	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"searchStyles": {
 		"message": "Претражи садржај",
 		"description": "Label for the search filter textbox on the Manage styles page"
 	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "Онемогући",
 		"description": "Label for the button to disable a style"
@@ -248,10 +128,6 @@
 		"message": "Прикажи број активних стилова за тренутни сајт на дугмету на алатној траци",
 		"description": "Label for the checkbox controlling toolbar badge text."
 	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
 	"menuShowBadge": {
 		"message": "Прикажи број активних стилова",
 		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
@@ -272,10 +148,6 @@
 		"message": "Увези",
 		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
 	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "Ажурирање није успело: сервер није доступан.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
@@ -288,22 +160,10 @@
 		"message": "Примени сва ажурирања",
 		"description": "Label for the button to apply all detected updates"
 	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Да ли сте сигурни да желите да избришете овај стил?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
 	"styleBadRegexp": {
 		"message": "Регуларни израз је неисправан.",
 		"description": "Validation message for a bad regexp in a style"
@@ -321,14 +181,6 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
 	"styleUpdate": {
 		"message": "Да ли сте сигурни да желите да ажурирате '$stylename$'?",
 		"description": "Confirmation when updating a style",
@@ -342,10 +194,6 @@
 		"message": "Одељци",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "Уреди стил $stylename$",
 		"description": "Title of the page for editing styles",
@@ -363,30 +211,14 @@
 		"message": "УРЛ адресе које почињу са",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
 	"searchRegexp": {
 		"message": "Користи /re/ синтаксу за претрагу  регуларним изразом",
 		"description": "Label after the search input field in the editor shown on Ctrl-F"
 	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
 	"importReplaceTooltip": {
 		"message": "Одбаци садржај тренутног стила и упиши преко њега увезени стил",
 		"description": "Label for the button to import and overwrite current style"
 	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
 	"popupStylesFirst": {
 		"message": "Излистај стилове пре команди у менију дугмета на алатној траци",
 		"description": "Label for the checkbox controlling section order in the popup."
@@ -407,18 +239,10 @@
 		"message": "Уклони",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
 	"styleToMozillaFormatTitle": {
 		"message": "Стил у Mozilla формату",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
 	"writeStyleFor": {
 		"message": "Упиши стил за:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
@@ -427,22 +251,10 @@
 		"message": "Замени",
 		"description": "Label before the replace input field in the editor shown on Ctrl-H"
 	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "Примењује се на",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "Управљај инсталираним стиловима",
 		"description": "Link to open the manage page."
@@ -464,34 +276,10 @@
 		"message": "Инсталирај ажурирање",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
 	"styleMozillaFormatHeading": {
 		"message": "Mozilla формат",
 		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
 	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "Уклони одељак",
 		"description": "Label for the button to remove a section"
@@ -500,18 +288,10 @@
 		"message": "Искључи све стилове",
 		"description": "Label for the checkbox that turns all enabled styles off."
 	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
 	"undoGlobal": {
 		"message": "Опозови (свеобухватно)",
 		"description": "CSS-beautify global Undo button label"
 	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "Ажурирање је комплетирано.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +300,14 @@
 		"message": "Проверавање...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
 	"sectionCode": {
 		"message": "Код",
 		"description": "Label for the code for a section"
 	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
 	"cm_smartIndent": {
 		"message": "Користи паметно увлачење редова",
 		"description": "Label for the checkbox controlling smart indentation option for the style editor."
 	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "Употреба 'Примењује се на' одређује опсег УРЛ адреса на које се код у овом одељку примењује.",
 		"description": "Help text for 'applies to' section"
@@ -568,38 +316,14 @@
 		"message": "Уреди стил",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
 	"appliesUrlOption": {
 		"message": "УРЛ",
 		"description": "Option to make the style apply to the entered string as a URL"
 	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
 	"stylusUnavailableForURL": {
 		"message": "Stylus не ради на страницама као што је ова.",
 		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
 	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "Додај стил",
 		"description": "Title of the page for adding styles"
@@ -612,74 +336,30 @@
 		"message": "Дошло је до грешке користећи Stylus базу података. Да ли желите да посетите веб страницу са могућим решењима?",
 		"description": "Prompt when a DB error is encountered"
 	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
 	"importAppendTooltip": {
 		"message": "Додај увезени стил тренутном стилу",
 		"description": "Tooltip for the button to import a style and append to the existing sections"
 	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
 	"helpKeyMapHotkey": {
 		"message": "Притисни пречицу",
 		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
 	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
 	"replaceAll": {
 		"message": "Замени све",
 		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
 	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
 	"editGotoLine": {
 		"message": "Иди на ред (или line:col)",
 		"description": "Go to line or line:column on Ctrl-G in style code editor"
 	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "Проверите ажурирања за све стилове",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
 	"issuesHelp": {
 		"message": "Проблем пронађен од стране <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> са овим омогућеним правилима:",
 		"description": "Help popup message for the CSSLint issues block on the style edit page"
 	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
 	"confirmNo": {
 		"message": "Не",
 		"description": "'No' button in a confirm dialog"
@@ -692,18 +372,6 @@
 		"message": "Мапа тастера",
 		"description": "Label for the drop-down list controlling the keymap for the style editor."
 	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
 	"cm_indentWithTabs": {
 		"message": "Користи картице са паметним увлачењем редова",
 		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
@@ -716,26 +384,10 @@
 		"message": "Избриши",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "Упиши нови стил",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
 	"manageOnlyEnabled": {
 		"message": "Само омогућени стилови",
 		"description": "Checkbox to show only enabled styles"
@@ -748,14 +400,6 @@
 		"message": "Тема",
 		"description": "Label for the style editor's CSS theme."
 	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
 	"helpKeyMapCommand": {
 		"message": "Укуцај име команде",
 		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
diff --git a/_locales/sv/messages.json b/_locales/sv/messages.json
index fd56a903..b42e3c2c 100644
--- a/_locales/sv/messages.json
+++ b/_locales/sv/messages.json
@@ -3,42 +3,6 @@
 		"message": "Allt",
 		"description": "Text displayed for styles that apply to all sites"
 	},
-	"defaultTheme": {
-		"message": "default",
-		"description": "Default CodeMirror CSS theme option on the edit style page"
-	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
-	"exportLabel": {
-		"message": "Export",
-		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
-	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
 	"cm_tabSize": {
 		"message": "Flikstorlek",
 		"description": "Label for the text box controlling tab size option for the style editor."
@@ -51,14 +15,6 @@
 		"message": "Ange ett namn.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "URL:er på domänen",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,62 +23,14 @@
 		"message": "Leta efter uppdatering",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
-	"importAppendLabel": {
-		"message": "Append to style",
-		"description": "Label for the button to import a style and append to the existing sections"
-	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
 	"updateAllCheckSucceededNoUpdate": {
 		"message": "Alla stilar är fullt uppdaterade.",
 		"description": "Text that displays when an update all check completed and no updates are available"
 	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
-	"styleFromMozillaFormatPrompt": {
-		"message": "Paste the Mozilla-format code",
-		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
-	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "Hjälp",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
-	"search": {
-		"message": "Search",
-		"description": "Label before the search input field in the editor shown on Ctrl-F"
-	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
-	"confirmYes": {
-		"message": "Yes",
-		"description": "'Yes' button in a confirm dialog"
-	},
 	"findStylesForSite": {
 		"message": "Hitta fler stilar för denna sida",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -131,14 +39,6 @@
 		"message": "Installerade Stilar",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "Aktiverad",
 		"description": "Label for the enabled state of styles"
@@ -151,38 +51,14 @@
 		"message": "Lägg till ytterligare en sektion",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "Spara",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
-	"confirmStop": {
-		"message": "Stop",
-		"description": "'Stop' button in a confirm dialog"
-	},
 	"writeStyleForURL": {
 		"message": "denna URL",
 		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
 	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "Lägg till",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +67,6 @@
 		"message": "URL:er som matchar regexp:en",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "Installera '$stylename$' in i Stylus?",
 		"description": "Confirmation when installing a style",
@@ -208,38 +76,6 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
-	"manageText": {
-		"message": "<a href='https://userstyles.org'>Get styles on userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Get help</a>",
-		"description": "Help text on the manage page"
-	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
-	"searchStyles": {
-		"message": "Search contents",
-		"description": "Label for the search filter textbox on the Manage styles page"
-	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "Inaktivera",
 		"description": "Label for the button to disable a style"
@@ -248,10 +84,6 @@
 		"message": "Visa antalet aktiva stilar för den nuvarande sidan på verktygsfältsikonen",
 		"description": "Label for the checkbox controlling toolbar badge text."
 	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
 	"menuShowBadge": {
 		"message": "Visa antalet aktiva stilar",
 		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
@@ -268,14 +100,6 @@
 		"message": "Du har gjort ändringar i denna stil utan att spara.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
-	"importLabel": {
-		"message": "Import",
-		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
-	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "Uppdateringen misslyckades: server onåbar.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
@@ -288,22 +112,10 @@
 		"message": "Verkställ alla uppdateringar",
 		"description": "Label for the button to apply all detected updates"
 	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Är du säker på att du vill ta bort denna stil?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
 	"styleBadRegexp": {
 		"message": "Regexp:en är ogiltig",
 		"description": "Validation message for a bad regexp in a style"
@@ -321,14 +133,6 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
 	"styleUpdate": {
 		"message": "Är du säker på att du vill uppdatera '$stylename$'?",
 		"description": "Confirmation when updating a style",
@@ -342,10 +146,6 @@
 		"message": "Sektioner",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "Ändra i Stil $stylename$",
 		"description": "Title of the page for editing styles",
@@ -363,30 +163,6 @@
 		"message": "URL:er som börjar på",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
-	"searchRegexp": {
-		"message": "Use /re/ syntax for regexp search",
-		"description": "Label after the search input field in the editor shown on Ctrl-F"
-	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
-	"importReplaceTooltip": {
-		"message": "Discard contents of current style and overwrite it with the imported style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
 	"popupStylesFirst": {
 		"message": "Lista stilar före kommandon i verktygsfältets knappmeny",
 		"description": "Label for the checkbox controlling section order in the popup."
@@ -407,14 +183,6 @@
 		"message": "Ta bort",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
-	"styleToMozillaFormatTitle": {
-		"message": "Style in Mozilla format",
-		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
-	},
 	"manageTitle": {
 		"message": "Tyylikäs",
 		"description": "Title for the manage page"
@@ -423,26 +191,10 @@
 		"message": "Skriv stil för:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
 	},
-	"replace": {
-		"message": "Replace",
-		"description": "Label before the replace input field in the editor shown on Ctrl-H"
-	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "Gäller för",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "Hantera installerade stilar",
 		"description": "Link to open the manage page."
@@ -464,34 +216,6 @@
 		"message": "Installera uppdatering",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "Ta bort sektion",
 		"description": "Label for the button to remove a section"
@@ -500,18 +224,6 @@
 		"message": "Stäng av alla stilar",
 		"description": "Label for the checkbox that turns all enabled styles off."
 	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
-	"undoGlobal": {
-		"message": "Undo in all sections",
-		"description": "CSS-beautify global Undo button label"
-	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "Uppdatering slutförd.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +232,14 @@
 		"message": "Letar...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
 	"sectionCode": {
 		"message": "Kod",
 		"description": "Label for the code for a section"
 	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
 	"cm_smartIndent": {
 		"message": "Använd smart indrag",
 		"description": "Label for the checkbox controlling smart indentation option for the style editor."
 	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "Använd 'Gäller för' alternativet för att begränsa vilka URL:er koden i denna sektion gäller för.",
 		"description": "Help text for 'applies to' section"
@@ -568,174 +248,42 @@
 		"message": "Ändra i Stil",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
 	"stylusUnavailableForURL": {
 		"message": "Stylus fungerar inte på sidor som denna.",
 		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
 	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "Lägg till stil",
 		"description": "Title of the page for adding styles"
 	},
-	"importReplaceLabel": {
-		"message": "Overwrite style",
-		"description": "Label for the button to import and overwrite current style"
-	},
 	"dbError": {
 		"message": "Ett fel inträffades vid hanteringen av Stylus-databasen. Skulle du vilja besöka en sida med eventuella lösningar?",
 		"description": "Prompt when a DB error is encountered"
 	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
-	"importAppendTooltip": {
-		"message": "Append the imported style to current style",
-		"description": "Tooltip for the button to import a style and append to the existing sections"
-	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
-	"helpKeyMapHotkey": {
-		"message": "Press a hotkey",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
-	"replaceAll": {
-		"message": "Replace all",
-		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
-	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
 	"editGotoLine": {
 		"message": "Gå till rad (eller rad:kol)",
 		"description": "Go to line or line:column on Ctrl-G in style code editor"
 	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "Leta igenom alla stilar efter uppdateringar",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
-	"issuesHelp": {
-		"message": "The issues found by <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> with these rules enabled:",
-		"description": "Help popup message for the CSSLint issues block on the style edit page"
-	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
-	"confirmNo": {
-		"message": "No",
-		"description": "'No' button in a confirm dialog"
-	},
-	"undo": {
-		"message": "Undo",
-		"description": "Button label"
-	},
 	"cm_keyMap": {
 		"message": "Nyckelkarta",
 		"description": "Label for the drop-down list controlling the keymap for the style editor."
 	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
 	"cm_indentWithTabs": {
 		"message": "Använd flikar med smart indrag",
 		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
 	},
-	"replaceWith": {
-		"message": "Replace with",
-		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
-	},
 	"deleteStyleLabel": {
 		"message": "Ta bort",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "Skriv ny stil",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
 	"manageOnlyEnabled": {
 		"message": "Endast aktiverade stilar",
 		"description": "Checkbox to show only enabled styles"
@@ -744,22 +292,6 @@
 		"message": "Ändra",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
-	"helpKeyMapCommand": {
-		"message": "Type a command name",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
 	"description": {
 		"message": "Style:a om webben med Stylus, en användarstils-hanterare. Stylus låter dig enkelt installera teman och skal för många populära sidor.",
 		"description": "Extension description"
diff --git a/_locales/tr/messages.json b/_locales/tr/messages.json
index dd93888f..b9b565d1 100644
--- a/_locales/tr/messages.json
+++ b/_locales/tr/messages.json
@@ -3,46 +3,6 @@
 		"message": "Her şey",
 		"description": "Text displayed for styles that apply to all sites"
 	},
-	"defaultTheme": {
-		"message": "default",
-		"description": "Default CodeMirror CSS theme option on the edit style page"
-	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
-	"exportLabel": {
-		"message": "Export",
-		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
-	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
-	"cm_tabSize": {
-		"message": "Tab size",
-		"description": "Label for the text box controlling tab size option for the style editor."
-	},
 	"enableStyleLabel": {
 		"message": "Etkinleştir",
 		"description": "Label for the button to enable a style"
@@ -51,14 +11,6 @@
 		"message": "Bir ad girin.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "Alan adındaki URLler",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,62 +19,10 @@
 		"message": "Güncellemeleri denetle",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
-	"importAppendLabel": {
-		"message": "Append to style",
-		"description": "Label for the button to import a style and append to the existing sections"
-	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
-	"updateAllCheckSucceededNoUpdate": {
-		"message": "No updates found.",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
-	"styleFromMozillaFormatPrompt": {
-		"message": "Paste the Mozilla-format code",
-		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
-	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "Yardım",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
-	"search": {
-		"message": "Search",
-		"description": "Label before the search input field in the editor shown on Ctrl-F"
-	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
-	"confirmYes": {
-		"message": "Yes",
-		"description": "'Yes' button in a confirm dialog"
-	},
 	"findStylesForSite": {
 		"message": "Bu site için başka stiller bul",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -131,14 +31,6 @@
 		"message": "Yüklü Stiller",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "Etkin",
 		"description": "Label for the enabled state of styles"
@@ -151,38 +43,10 @@
 		"message": "Başka bölüm ekle",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "Kaydet",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
-	"confirmStop": {
-		"message": "Stop",
-		"description": "'Stop' button in a confirm dialog"
-	},
-	"writeStyleForURL": {
-		"message": "this URL",
-		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
-	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "Ekleyin",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +55,6 @@
 		"message": "regexp ile eşleşen URL'ler",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "'$stylename$' Stylus'e yüklensin mi?",
 		"description": "Confirmation when installing a style",
@@ -208,58 +64,10 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
-	"manageText": {
-		"message": "<a href='https://userstyles.org'>Get styles on userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Get help</a>",
-		"description": "Help text on the manage page"
-	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
-	"searchStyles": {
-		"message": "Search contents",
-		"description": "Label for the search filter textbox on the Manage styles page"
-	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "Devre dışı bırak",
 		"description": "Label for the button to disable a style"
 	},
-	"prefShowBadge": {
-		"message": "Number of styles active for the current site",
-		"description": "Label for the checkbox controlling toolbar badge text."
-	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"menuShowBadge": {
-		"message": "Show active style count",
-		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
-	},
-	"cm_lineWrapping": {
-		"message": "Word wrap",
-		"description": "Label for the checkbox controlling word wrap option for the style editor."
-	},
 	"styleCancelEditLabel": {
 		"message": "Yönetim sayfasına dön",
 		"description": "Label for cancel button for style editing"
@@ -268,50 +76,14 @@
 		"message": "Bu stilde yaptığınız, kaydedilmemiş değişiklikler var.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
-	"importLabel": {
-		"message": "Import",
-		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
-	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "Güncellenemedi: sunucuya erişilemiyor.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
 	},
-	"manageFilters": {
-		"message": "Filters",
-		"description": "Label for filters container"
-	},
-	"applyAllUpdates": {
-		"message": "Apply all updates",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "Bu stili silmek istediğinizden emin misiniz?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
-	"styleBadRegexp": {
-		"message": "Regexp is invalid.",
-		"description": "Validation message for a bad regexp in a style"
-	},
-	"optionsHeading": {
-		"message": "Options",
-		"description": "Heading for options section on manage page."
-	},
 	"appliesDisplay": {
 		"message": "Şuraya uygulanır: $applies$",
 		"description": "Text on the manage screen to describe what the style applies to",
@@ -321,31 +93,10 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
-	"styleUpdate": {
-		"message": "Are you sure you want to update '$stylename$'?",
-		"description": "Confirmation when updating a style",
-		"placeholders": {
-			"stylename": {
-				"content": "$1"
-			}
-		}
-	},
 	"styleSectionsTitle": {
 		"message": "Bölümler",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "$stylename$ Stilini Düzenleyin",
 		"description": "Title of the page for editing styles",
@@ -363,34 +114,6 @@
 		"message": "Şununla başlayan URL'ler:",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
-	"searchRegexp": {
-		"message": "Use /re/ syntax for regexp search",
-		"description": "Label after the search input field in the editor shown on Ctrl-F"
-	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
-	"importReplaceTooltip": {
-		"message": "Discard contents of current style and overwrite it with the imported style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
-	"popupStylesFirst": {
-		"message": "Styles before commands",
-		"description": "Label for the checkbox controlling section order in the popup."
-	},
 	"sectionHelp": {
 		"message": "Bölümler, aynı stil içindeki farklı URL kümelerine uygulanacak farklı kod parçaları tanımlamanıza olanak sağlar. Örneğin, tek bir stil bir sitenin ana sayfasını belirli bir şekilde değiştirirken, sayfanın kalan kısmını farklı bir şekilde değiştirebilir.",
 		"description": "Help text for sections"
@@ -407,42 +130,10 @@
 		"message": "Kaldır",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
-	"styleToMozillaFormatTitle": {
-		"message": "Style in Mozilla format",
-		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
-	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
-	"writeStyleFor": {
-		"message": "Write style for: ",
-		"description": "Label for toolbar pop-up that precedes the links to write a new style"
-	},
-	"replace": {
-		"message": "Replace",
-		"description": "Label before the replace input field in the editor shown on Ctrl-H"
-	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "Şuraya uygulanır",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "Yüklü stilleri yönet",
 		"description": "Link to open the manage page."
@@ -464,54 +155,10 @@
 		"message": "Güncellemeyi yükle",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "Bölümü kaldır",
 		"description": "Label for the button to remove a section"
 	},
-	"disableAllStyles": {
-		"message": "Turn all styles off",
-		"description": "Label for the checkbox that turns all enabled styles off."
-	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
-	"undoGlobal": {
-		"message": "Undo in all sections",
-		"description": "CSS-beautify global Undo button label"
-	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "Güncelleme tamamlandı.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +167,10 @@
 		"message": "Kontrol ediliyor...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
 	"sectionCode": {
 		"message": "Kod",
 		"description": "Label for the code for a section"
 	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
-	"cm_smartIndent": {
-		"message": "Use smart indentation",
-		"description": "Label for the checkbox controlling smart indentation option for the style editor."
-	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "Bu bölümdeki kodun hangi URLlere uygulanacağını sınırlamak için 'Şuraya uygulanır' denetimlerini kullanın.",
 		"description": "Help text for 'applies to' section"
@@ -568,198 +179,26 @@
 		"message": "Stili Düzenle",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
-	"appliesUrlOption": {
-		"message": "URL",
-		"description": "Option to make the style apply to the entered string as a URL"
-	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"stylusUnavailableForURL": {
-		"message": "Stylus doesn't work on pages like this.",
-		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "Stil Ekleyin",
 		"description": "Title of the page for adding styles"
 	},
-	"importReplaceLabel": {
-		"message": "Overwrite style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"dbError": {
-		"message": "An error has occurred using the Stylus database. Would you like to visit a web page with possible solutions?",
-		"description": "Prompt when a DB error is encountered"
-	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
-	"importAppendTooltip": {
-		"message": "Append the imported style to current style",
-		"description": "Tooltip for the button to import a style and append to the existing sections"
-	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
-	"helpKeyMapHotkey": {
-		"message": "Press a hotkey",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
-	"replaceAll": {
-		"message": "Replace all",
-		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
-	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
-	"editGotoLine": {
-		"message": "Goto line (or line:col)",
-		"description": "Go to line or line:column on Ctrl-G in style code editor"
-	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "Tüm stiller için güncellemeleri denetle",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
-	"issuesHelp": {
-		"message": "The issues found by <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> with these rules enabled:",
-		"description": "Help popup message for the CSSLint issues block on the style edit page"
-	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
-	"confirmNo": {
-		"message": "No",
-		"description": "'No' button in a confirm dialog"
-	},
-	"undo": {
-		"message": "Undo",
-		"description": "Button label"
-	},
-	"cm_keyMap": {
-		"message": "Keymap",
-		"description": "Label for the drop-down list controlling the keymap for the style editor."
-	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
-	"cm_indentWithTabs": {
-		"message": "Use tabs with smart indentation",
-		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
-	},
-	"replaceWith": {
-		"message": "Replace with",
-		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
-	},
 	"deleteStyleLabel": {
 		"message": "Sil",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "Yeni stil oluşturun",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
-	"manageOnlyEnabled": {
-		"message": "Only enabled styles",
-		"description": "Checkbox to show only enabled styles"
-	},
 	"editStyleLabel": {
 		"message": "Düzenle",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
-	"helpKeyMapCommand": {
-		"message": "Type a command name",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
 	"description": {
 		"message": "Kullanıcı stil yöneticisi Stylus ile Web'in stilini yenileyin. Stylus Google, Facebook, YouTube, Orkut ve diğer pek çok site için temalar ve görünüm yüklemenize imkân tanır.",
 		"description": "Extension description"
diff --git a/_locales/zh/messages.json b/_locales/zh/messages.json
index fe54f6a6..dee83899 100644
--- a/_locales/zh/messages.json
+++ b/_locales/zh/messages.json
@@ -3,46 +3,6 @@
 		"message": "所有站点",
 		"description": "Text displayed for styles that apply to all sites"
 	},
-	"defaultTheme": {
-		"message": "default",
-		"description": "Default CodeMirror CSS theme option on the edit style page"
-	},
-	"styleRegexpTestTitle": {
-		"message": "List of matching opened tabs (click on URL to focus its tab)",
-		"description": "RegExp test report: title of the report"
-	},
-	"bckpInstStyles": {
-		"message": "Export styles",
-		"description": ""
-	},
-	"optionsUpdateInterval": {
-		"message": "Automatically check for and install all available userstyle updates (in hrs)",
-		"description": ""
-	},
-	"styleEnabledToggleHint": {
-		"message": "Press Alt-Enter to toggle enabled/disabled state and save the style",
-		"description": "Help text for the '[x] enable' checkbox in the editor"
-	},
-	"exportLabel": {
-		"message": "Export",
-		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
-	},
-	"issues": {
-		"message": "Issues",
-		"description": "Label for the CSSLint issues block on the style edit page"
-	},
-	"optionsBadgeNormal": {
-		"message": "Background color",
-		"description": ""
-	},
-	"updateCheckHistory": {
-		"message": "History of update checks",
-		"description": ""
-	},
-	"cm_tabSize": {
-		"message": "Tab size",
-		"description": "Label for the text box controlling tab size option for the style editor."
-	},
 	"enableStyleLabel": {
 		"message": "启用",
 		"description": "Label for the button to enable a style"
@@ -51,14 +11,6 @@
 		"message": "请输入名称.",
 		"description": "Error displayed when user saves without providing a name"
 	},
-	"genericHistoryLabel": {
-		"message": "History",
-		"description": "Used in various places to show a history log of something"
-	},
-	"shortcutsNote": {
-		"message": "Define keyboard shortcuts",
-		"description": ""
-	},
 	"appliesDomainOption": {
 		"message": "指定域上的URL",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -67,62 +19,10 @@
 		"message": "检查更新",
 		"description": "Label for the button to check a single style for an update"
 	},
-	"styleNotAppliedRegexpProblemTooltip": {
-		"message": "Style was not applied due to its incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were not applied at all"
-	},
-	"styleRegexpInvalidExplanation": {
-		"message": "Some 'regexp()' rules that could not be compiled at all.",
-		"description": ""
-	},
-	"optionsIconDark": {
-		"message": "Dark browser themes",
-		"description": ""
-	},
-	"importAppendLabel": {
-		"message": "Append to style",
-		"description": "Label for the button to import a style and append to the existing sections"
-	},
-	"optionsOpenManager": {
-		"message": "Manage styles",
-		"description": ""
-	},
-	"updateAllCheckSucceededNoUpdate": {
-		"message": "No updates found.",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"importReportLegendAdded": {
-		"message": "added",
-		"description": "Text after the number of styles added in the report shown after importing styles"
-	},
-	"styleFromMozillaFormatPrompt": {
-		"message": "Paste the Mozilla-format code",
-		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
-	},
-	"dragDropMessage": {
-		"message": "Drop your backup file anywhere on this page to import.",
-		"description": "Drag'n'drop message"
-	},
 	"helpAlt": {
 		"message": "帮助",
 		"description": "Alternate text for help buttons"
 	},
-	"confirmOK": {
-		"message": "OK",
-		"description": ""
-	},
-	"search": {
-		"message": "Search",
-		"description": "Label before the search input field in the editor shown on Ctrl-F"
-	},
-	"manageFaviconsGray": {
-		"message": "Grayed out",
-		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
-	},
-	"confirmYes": {
-		"message": "Yes",
-		"description": "'Yes' button in a confirm dialog"
-	},
 	"findStylesForSite": {
 		"message": "查找更多适合此站点的样式",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -131,14 +31,6 @@
 		"message": "已安装的样式",
 		"description": "Heading for the manage page"
 	},
-	"styleBeautify": {
-		"message": "Beautify",
-		"description": "Label for the CSS-beautifier button on the edit style page"
-	},
-	"styleRegexpProblemTooltip": {
-		"message": "Number of sections not applied due to incorrect usage of 'regexp()'",
-		"description": "Tooltip in the popup for styles that were applied only partially"
-	},
 	"styleEnabledLabel": {
 		"message": "已启用",
 		"description": "Label for the enabled state of styles"
@@ -151,38 +43,10 @@
 		"message": "添加新节",
 		"description": "Label for the button to add a section"
 	},
-	"styleRegexpTestPartial": {
-		"message": "Not matching fully, hence skipped",
-		"description": "RegExp test report: label for the partially matching expressions"
-	},
 	"styleSaveLabel": {
 		"message": "保存",
 		"description": "Label for save button for style editing"
 	},
-	"confirmDelete": {
-		"message": "Delete",
-		"description": ""
-	},
-	"confirmCancel": {
-		"message": "Cancel",
-		"description": ""
-	},
-	"retrieveBckp": {
-		"message": "Import styles",
-		"description": ""
-	},
-	"confirmStop": {
-		"message": "Stop",
-		"description": "'Stop' button in a confirm dialog"
-	},
-	"writeStyleForURL": {
-		"message": "this URL",
-		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
-	},
-	"optionsSubheading": {
-		"message": "More Options",
-		"description": "Subheading for options section on manage page."
-	},
 	"appliesAdd": {
 		"message": "添加",
 		"description": "Label for the button to add an 'applies' entry"
@@ -191,14 +55,6 @@
 		"message": "匹配正则的URL",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
-	"optionsAdvancedExposeIframesNote": {
-		"message": "Enables writing iframe-specific CSS like 'html[stylus-iframe] h1 { display:none }'",
-		"description": ""
-	},
-	"importReportLegendUpdatedCode": {
-		"message": "updated code",
-		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
-	},
 	"styleInstall": {
 		"message": "安装 '$stylename$' 到 Stylus?",
 		"description": "Confirmation when installing a style",
@@ -208,58 +64,10 @@
 			}
 		}
 	},
-	"optionsBadgeDisabled": {
-		"message": "Background color when disabled",
-		"description": ""
-	},
-	"optionsCheck": {
-		"message": "Update styles",
-		"description": ""
-	},
-	"manageText": {
-		"message": "<a href='https://userstyles.org'>Get styles on userstyles.org</a> | <a href='http://add0n.com/stylus.html'>Get help</a>",
-		"description": "Help text on the manage page"
-	},
-	"manageOnlyLocal": {
-		"message": "Only locally created styles",
-		"description": "Checkbox to show only locally created styles i.e. non-updatable"
-	},
-	"searchStyles": {
-		"message": "Search contents",
-		"description": "Label for the search filter textbox on the Manage styles page"
-	},
-	"optionsUpdateImportNote": {
-		"message": "When importing style backups from old version or from Stylish, do a one-time check for updates manually in the styles manager to ensure all styles are updated.",
-		"description": ""
-	},
-	"checkAllUpdatesForce": {
-		"message": "Check again, I didn't edit any styles!",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"unreachableFileHint": {
-		"message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
-		"description": "Note in the toolbar popup for file:// URLs"
-	},
 	"disableStyleLabel": {
 		"message": "禁用",
 		"description": "Label for the button to disable a style"
 	},
-	"prefShowBadge": {
-		"message": "Number of styles active for the current site",
-		"description": "Label for the checkbox controlling toolbar badge text."
-	},
-	"manageFavicons": {
-		"message": "Favicons in applies-to column",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"menuShowBadge": {
-		"message": "Show active style count",
-		"description": "Label (must be very short) for the checkbox in the toolbar button context menu controlling toolbar badge text."
-	},
-	"cm_lineWrapping": {
-		"message": "Word wrap",
-		"description": "Label for the checkbox controlling word wrap option for the style editor."
-	},
 	"styleCancelEditLabel": {
 		"message": "返回到管理",
 		"description": "Label for cancel button for style editing"
@@ -268,50 +76,14 @@
 		"message": "您已经修改了此样式，但尚未保存",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
-	"importLabel": {
-		"message": "Import",
-		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
-	},
-	"shortcuts": {
-		"message": "Shortcuts",
-		"description": "Go to shortcut configuration"
-	},
 	"updateCheckFailServerUnreachable": {
 		"message": "更新失败: 服务器无法访问.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
 	},
-	"manageFilters": {
-		"message": "Filters",
-		"description": "Label for filters container"
-	},
-	"applyAllUpdates": {
-		"message": "Apply all updates",
-		"description": "Label for the button to apply all detected updates"
-	},
-	"optionsReset": {
-		"message": "Reset the options to default values",
-		"description": ""
-	},
-	"optionsCustomizeUpdate": {
-		"message": "Updates",
-		"description": ""
-	},
 	"deleteStyleConfirm": {
 		"message": "确定要删除这个样式吗?",
 		"description": "Confirmation before deleting a style"
 	},
-	"optionsCustomizePopup": {
-		"message": "Popup",
-		"description": ""
-	},
-	"styleBadRegexp": {
-		"message": "Regexp is invalid.",
-		"description": "Validation message for a bad regexp in a style"
-	},
-	"optionsHeading": {
-		"message": "Options",
-		"description": "Heading for options section on manage page."
-	},
 	"appliesDisplay": {
 		"message": "应用到: $applies$",
 		"description": "Text on the manage screen to describe what the style applies to",
@@ -321,14 +93,6 @@
 			}
 		}
 	},
-	"optionsIconLight": {
-		"message": "Light browser themes",
-		"description": ""
-	},
-	"openStylesManager": {
-		"message": "Open styles manager",
-		"description": "Label for the style maanger opener in the browser action context menu."
-	},
 	"styleUpdate": {
 		"message": "你確定要更新 '$stylename$' 嗎？",
 		"description": "Confirmation when updating a style",
@@ -342,10 +106,6 @@
 		"message": "样式节",
 		"description": "Title for the style sections section"
 	},
-	"importReportLegendInvalid": {
-		"message": "invalid skipped",
-		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
-	},
 	"editStyleTitle": {
 		"message": "编辑样式 $stylename$",
 		"description": "Title of the page for editing styles",
@@ -363,34 +123,6 @@
 		"message": "以指定地址开始",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
-	"cm_matchHighlightToken": {
-		"message": "Token under cursor",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of of the word/token under cursor even if nothing is selected"
-	},
-	"searchRegexp": {
-		"message": "Use /re/ syntax for regexp search",
-		"description": "Label after the search input field in the editor shown on Ctrl-F"
-	},
-	"updateCheckManualUpdateHint": {
-		"message": "Forcing an update will overwrite any local edits.",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"toggleStyle": {
-		"message": "Toggle style",
-		"description": "Label for the checkbox to enable/disable a style"
-	},
-	"importReplaceTooltip": {
-		"message": "Discard contents of current style and overwrite it with the imported style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"cm_resizeGripHint": {
-		"message": "Double-click to maximize/restore the height",
-		"description": "Tooltip for the resize grip in style editor"
-	},
-	"popupStylesFirst": {
-		"message": "Styles before commands",
-		"description": "Label for the checkbox controlling section order in the popup."
-	},
 	"sectionHelp": {
 		"message": "样式节允许你定义多个样式段落并将它们应用于不同的站点匹配规则上。例如，一个样式可以更改使用一个方式来更改主页，而此时其它的样式段可以更改站点的其它部分。",
 		"description": "Help text for sections"
@@ -407,42 +139,10 @@
 		"message": "移除",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"updatesCurrentlyInstalled": {
-		"message": "Updates installed:",
-		"description": "Text that displays when an update is installed on options page. Followed by the number of currently installed updates."
-	},
-	"styleToMozillaFormatTitle": {
-		"message": "Style in Mozilla format",
-		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
-	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
-	"writeStyleFor": {
-		"message": "Write style for: ",
-		"description": "Label for toolbar pop-up that precedes the links to write a new style"
-	},
-	"replace": {
-		"message": "Replace",
-		"description": "Label before the replace input field in the editor shown on Ctrl-H"
-	},
-	"styleRegexpTestNone": {
-		"message": "No matching tabs",
-		"description": "RegExp test report: label for expressions that didn't match any tabs"
-	},
-	"importReportLegendUpdatedMeta": {
-		"message": "updated meta info",
-		"description": "Text after the number of styles with updated meta info like name/url in the report shown after importing styles"
-	},
 	"appliesLabel": {
 		"message": "应用到",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
-	"openOptionsPopup": {
-		"message": "Options",
-		"description": "Go to Options UI"
-	},
 	"openManage": {
 		"message": "管理已安装样式",
 		"description": "Link to open the manage page."
@@ -464,54 +164,10 @@
 		"message": "安装更新",
 		"description": "Label for the button to install an update for a single style"
 	},
-	"optionsCheckUpdate": {
-		"message": "Check for and install all available updates",
-		"description": ""
-	},
-	"importReportTitle": {
-		"message": "Finished importing styles",
-		"description": "Title of the report shown after importing styles"
-	},
-	"styleMozillaFormatHeading": {
-		"message": "Mozilla Format",
-		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
-	},
-	"cm_matchHighlight": {
-		"message": "Highlight",
-		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
-	},
-	"styleRegexpPartialExplanation": {
-		"message": "This style uses partially matching regexps in violation of <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document specification</a> which requires a full URL match. The affected CSS sections were not applied to the page. This style was probably created in Stylish-for-Chrome which incorrectly checks 'regexp()' rules since the very first version (known bug).",
-		"description": ""
-	},
-	"styleBeautifyIndentConditional": {
-		"message": "Indent @media, @supports",
-		"description": "CSS-beautifier option"
-	},
-	"unreachableContentScript": {
-		"message": "Could not communicate with the page. Try reloading the tab.",
-		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
-	},
 	"sectionRemove": {
 		"message": "移除节",
 		"description": "Label for the button to remove a section"
 	},
-	"disableAllStyles": {
-		"message": "Turn all styles off",
-		"description": "Label for the checkbox that turns all enabled styles off."
-	},
-	"updateCheckSkippedMaybeLocallyEdited": {
-		"message": "This style might have been edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
-	},
-	"undoGlobal": {
-		"message": "Undo in all sections",
-		"description": "CSS-beautify global Undo button label"
-	},
-	"optionsCustomizeIcon": {
-		"message": "Toolbar icon",
-		"description": ""
-	},
 	"updateCompleted": {
 		"message": "更新完成.",
 		"description": "Text that displays when an update completed"
@@ -520,46 +176,10 @@
 		"message": "检查中...",
 		"description": "Text to display when checking a style for an update"
 	},
-	"styleRegexpTestFull": {
-		"message": "Matching tabs",
-		"description": "RegExp test report: label for the fully matching expressions"
-	},
-	"manageMaxTargets": {
-		"message": "Number of applies-to items",
-		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
-	},
-	"manageFaviconsHelp": {
-		"message": "Stylus uses an external service https://www.google.com/s2/favicons",
-		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
-	},
-	"updateCheckSkippedLocallyEdited": {
-		"message": "This style was edited locally.",
-		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsResetButton": {
-		"message": "Reset options",
-		"description": ""
-	},
 	"sectionCode": {
 		"message": "代码",
 		"description": "Label for the code for a section"
 	},
-	"optionsAdvancedContextDelete": {
-		"message": "Add 'Delete' in editor context menu",
-		"description": ""
-	},
-	"importReportLegendUpdatedBoth": {
-		"message": "updated both meta info and code",
-		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
-	},
-	"cm_smartIndent": {
-		"message": "Use smart indentation",
-		"description": "Label for the checkbox controlling smart indentation option for the style editor."
-	},
-	"styleRegexpTestButton": {
-		"message": "RegExp test",
-		"description": "RegExp test button label in the editor shown when applies-to list has a regexp value"
-	},
 	"appliesHelp": {
 		"message": "使用“应用到”来控制这个样式应用到哪些地址上。",
 		"description": "Help text for 'applies to' section"
@@ -568,198 +188,30 @@
 		"message": "编辑样式",
 		"description": "Title of the page for editing styles"
 	},
-	"editDeleteText": {
-		"message": "Delete",
-		"description": "Label for the context menu item in the editor to delete selected text"
-	},
-	"cm_autocompleteOnTyping": {
-		"message": "Autocomplete on typing",
-		"description": "Label for the checkbox in the style editor."
-	},
-	"stylusUnavailableForURLdetails": {
-		"message": "As a security precaution, the browser prohibits extensions from affecting its built-in pages (like chrome://version or about:addons) as well as other extensions' pages. Each browser also restricts access to its own extensions gallery (like Chrome Web Store or AMO).",
-		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"cm_matchHighlightSelection": {
-		"message": "Selection only",
-		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
-	},
 	"appliesUrlOption": {
 		"message": "地址",
 		"description": "Option to make the style apply to the entered string as a URL"
 	},
-	"updateAllCheckSucceededSomeEdited": {
-		"message": "Some updatable styles weren't checked to avoid losing possible local edits. Updates can be forced by checking individually, or by running another check for all styles (local edits will be overwritten).",
-		"description": "Text that displays when an update all check completed and no updates are available"
-	},
-	"stylusUnavailableForURL": {
-		"message": "Stylus doesn't work on pages like this.",
-		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
-	},
-	"manageOnlyUpdates": {
-		"message": "Only with updates or issues",
-		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
-	},
 	"addStyleTitle": {
 		"message": "添加样式",
 		"description": "Title of the page for adding styles"
 	},
-	"importReplaceLabel": {
-		"message": "Overwrite style",
-		"description": "Label for the button to import and overwrite current style"
-	},
-	"dbError": {
-		"message": "An error has occurred using the Stylus database. Would you like to visit a web page with possible solutions?",
-		"description": "Prompt when a DB error is encountered"
-	},
-	"optionsAdvanced": {
-		"message": "Advanced",
-		"description": ""
-	},
-	"importAppendTooltip": {
-		"message": "Append the imported style to current style",
-		"description": "Tooltip for the button to import a style and append to the existing sections"
-	},
-	"editorStylesButton": {
-		"message": "Find editor styles",
-		"description": "Find styles for the editor"
-	},
-	"optionsOpen": {
-		"message": "Open",
-		"description": ""
-	},
-	"helpKeyMapHotkey": {
-		"message": "Press a hotkey",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
-	"styleRegexpTestInvalid": {
-		"message": "Invalid regexps skipped",
-		"description": "RegExp test report: label for the invalid expressions"
-	},
-	"replaceAll": {
-		"message": "Replace all",
-		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
-	},
-	"importReportUnchanged": {
-		"message": "Nothing was changed.",
-		"description": "Message in the report shown after importing styles"
-	},
-	"optionsActions": {
-		"message": "Actions",
-		"description": ""
-	},
-	"editGotoLine": {
-		"message": "Goto line (or line:col)",
-		"description": "Go to line or line:column on Ctrl-G in style code editor"
-	},
-	"manageOnlyLocalTooltip": {
-		"message": "(the styles not installed through a userstyles.org page)",
-		"description": "Tooltip for the checkbox to show only locally created styles i.e. non-updatable"
-	},
 	"checkAllUpdates": {
 		"message": "检查所有样式的更新",
 		"description": "Label for the button to check all styles for updates"
 	},
-	"openOptionsManage": {
-		"message": "Options UI",
-		"description": "Go to Options UI"
-	},
-	"issuesHelp": {
-		"message": "The issues found by <a href='https://github.com/CSSLint/csslint' target='_blank'>CSSLint</a> with these rules enabled:",
-		"description": "Help popup message for the CSSLint issues block on the style edit page"
-	},
-	"optionsCustomizeBadge": {
-		"message": "Badge on the toolbar icon",
-		"description": ""
-	},
-	"importReportLegendIdentical": {
-		"message": "identical skipped",
-		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
-	},
-	"optionsPopupWidth": {
-		"message": "Popup width (in pixels)",
-		"description": ""
-	},
-	"confirmNo": {
-		"message": "No",
-		"description": "'No' button in a confirm dialog"
-	},
-	"undo": {
-		"message": "Undo",
-		"description": "Button label"
-	},
-	"cm_keyMap": {
-		"message": "Keymap",
-		"description": "Label for the drop-down list controlling the keymap for the style editor."
-	},
-	"manageNewUI": {
-		"message": "New manage UI layout",
-		"description": "Label for the checkbox that toggles the new UI on manage page"
-	},
-	"importReportUndoneTitle": {
-		"message": "Import has been undone",
-		"description": "Title of the message box shown after undoing the import of styles"
-	},
-	"genericDisabledLabel": {
-		"message": "Disabled",
-		"description": "Used in various lists/options to indicate that something is disabled"
-	},
-	"cm_indentWithTabs": {
-		"message": "Use tabs with smart indentation",
-		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
-	},
-	"replaceWith": {
-		"message": "Replace with",
-		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
-	},
 	"deleteStyleLabel": {
 		"message": "删除",
 		"description": "Label for the button to delete a style"
 	},
-	"updateCheckManualUpdateForce": {
-		"message": "Install update (local edits will be overwritten)",
-		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
-	},
-	"optionsAdvancedExposeIframes": {
-		"message": "Expose iframes via HTML[stylus-iframe]",
-		"description": ""
-	},
 	"addStyleLabel": {
 		"message": "编写新的样式",
 		"description": "Label for the button to go to the add style page"
 	},
-	"optionsUpdateIntervalNote": {
-		"message": "To disable the automatic userstyle update checks, set interval to 0",
-		"description": ""
-	},
-	"backupButtons": {
-		"message": "Backup",
-		"description": "Heading for backup"
-	},
-	"manageOnlyEnabled": {
-		"message": "Only enabled styles",
-		"description": "Checkbox to show only enabled styles"
-	},
 	"editStyleLabel": {
 		"message": "编辑",
 		"description": "Label for the button to go to the edit style page"
 	},
-	"cm_theme": {
-		"message": "Theme",
-		"description": "Label for the style editor's CSS theme."
-	},
-	"backupMessage": {
-		"message": "Select a file or drag and drop to this page.",
-		"description": "Message for backup"
-	},
-	"importReportUndone": {
-		"message": "styles were reverted",
-		"description": "Text after the number of styles reverted in the message box shown after undoing the import of styles"
-	},
-	"helpKeyMapCommand": {
-		"message": "Type a command name",
-		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
-	},
 	"description": {
 		"message": "Stylus，一个用户样式管理器，帮助您重新定义网页样式。Stylus易于为Google，Facebook，Youtube，Orkut以及其它各类型网站安装样式和主题。",
 		"description": "Extension description"
diff --git a/_locales/zh_CN/messages.json b/_locales/zh_CN/messages.json
index fc8d7041..b3f92c35 100644
--- a/_locales/zh_CN/messages.json
+++ b/_locales/zh_CN/messages.json
@@ -415,10 +415,6 @@
 		"message": "Mozilla 格式的样式",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
 	"writeStyleFor": {
 		"message": "编写样式给：",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
diff --git a/_locales/zh_TW/messages.json b/_locales/zh_TW/messages.json
index e6119371..cead174b 100644
--- a/_locales/zh_TW/messages.json
+++ b/_locales/zh_TW/messages.json
@@ -415,10 +415,6 @@
 		"message": "Mozilla格式樣式表",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
-	"manageTitle": {
-		"message": "Stylus",
-		"description": "Title for the manage page"
-	},
 	"writeStyleFor": {
 		"message": "編寫樣式給：",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"