diff --git a/background/storage.js b/background/storage.js
index 327e5f4d..fe6a98fc 100644
--- a/background/storage.js
+++ b/background/storage.js
@@ -1,5 +1,4 @@
 /* global LZString */
-
 'use strict';
 
 const RX_NAMESPACE = new RegExp([/[\s\r\n]*/,
diff --git a/background/usercss-helper.js b/background/usercss-helper.js
index 56c545cf..8a9a3a0c 100644
--- a/background/usercss-helper.js
+++ b/background/usercss-helper.js
@@ -1,5 +1,4 @@
 /* global usercss saveStyle getStyles */
-
 'use strict';
 
 // eslint-disable-next-line no-var
diff --git a/edit/edit.js b/edit/edit.js
index c289810a..e0d2bf70 100644
--- a/edit/edit.js
+++ b/edit/edit.js
@@ -4,7 +4,6 @@
 /* global CSSLint initLint linterConfig updateLintReport renderLintReport updateLinter */
 /* global mozParser createSourceEditor */
 /* global loadScript closeCurrentTab regExpTester */
-
 'use strict';
 
 let styleId = null;
diff --git a/edit/regexp-tester.js b/edit/regexp-tester.js
index dc33e53b..fd5be505 100644
--- a/edit/regexp-tester.js
+++ b/edit/regexp-tester.js
@@ -1,5 +1,4 @@
 /* global showHelp */
-
 'use strict';
 
 // eslint-disable-next-line no-var
diff --git a/edit/source-editor.js b/edit/source-editor.js
index 6b93c0d4..0ae63e48 100644
--- a/edit/source-editor.js
+++ b/edit/source-editor.js
@@ -3,7 +3,6 @@
 /* global hotkeyRerouter setupAutocomplete setupOptionsExpand */
 /* global editors linterConfig updateLinter regExpTester mozParser */
 /* global makeLink */
-
 'use strict';
 
 function createSourceEditor(style) {
diff --git a/install-usercss/install-usercss.js b/install-usercss/install-usercss.js
index 7f4436d2..7a2862fc 100644
--- a/install-usercss/install-usercss.js
+++ b/install-usercss/install-usercss.js
@@ -1,5 +1,4 @@
 /* global CodeMirror semverCompare makeLink closeCurrentTab */
-
 'use strict';
 
 (() => {
diff --git a/js/moz-parser.js b/js/moz-parser.js
index fe6a3030..72f01b69 100644
--- a/js/moz-parser.js
+++ b/js/moz-parser.js
@@ -1,5 +1,4 @@
 /* global parserlib, loadScript */
-
 'use strict';
 
 // eslint-disable-next-line no-var
diff --git a/js/usercss.js b/js/usercss.js
index 1a637d79..161d8d59 100644
--- a/js/usercss.js
+++ b/js/usercss.js
@@ -1,5 +1,4 @@
 /* global loadScript mozParser semverCompare */
-
 'use strict';
 
 // eslint-disable-next-line no-var
diff --git a/manage/config-dialog.js b/manage/config-dialog.js
index 2ab02aa0..aba5ebe2 100644
--- a/manage/config-dialog.js
+++ b/manage/config-dialog.js
@@ -1,5 +1,4 @@
 /* global usercss messageBox makeLink */
-
 'use strict';
 
 function configDialog(style) {