diff --git a/background/background.js b/background/background.js
index cd947d31..b5e803eb 100644
--- a/background/background.js
+++ b/background/background.js
@@ -10,13 +10,13 @@ var backgroundWorker = workerUtil.createWorker({
 
 window.API_METHODS = Object.assign(window.API_METHODS || {}, {
   getSectionsByUrl: styleManager.getSectionsByUrl,
-  getSectionsById: styleManager.getSectionsById,
   getStylesInfo: styleManager.getStylesInfo,
+  getStylesInfoByUrl: styleManager.getStylesInfoByUrl,
   toggleStyle: styleManager.toggleStyle,
   deleteStyle: styleManager.deleteStyle,
-  getStylesInfoByUrl: styleManager.getStylesInfoByUrl,
   installStyle: styleManager.installStyle,
   editSave: styleManager.editSave,
+  styleExists: styleManager.styleExists,
 
   getTabUrlPrefix() {
     return this.sender.tab.url.match(/^([\w-]+:\/+[^/#]+)/)[1];
diff --git a/background/style-manager.js b/background/style-manager.js
index 121071c1..a0d11f6e 100644
--- a/background/style-manager.js
+++ b/background/style-manager.js
@@ -34,8 +34,7 @@ const styleManager = (() => {
     toggleStyle,
     getAllStyles, // used by import-export
     getStylesInfoByUrl, // used by popup
-    countStyles,
-    countStylesByUrl, // used by icon badge
+    styleExists,
   });
 
   function handleLivePreviewConnections() {
@@ -112,16 +111,8 @@ const styleManager = (() => {
       .map(s => getStyleWithNoCode(s.data));
   }
 
-  function countStyles(filter) {
-    if (!filter) {
-      return styles.size;
-    }
-    if (filter.id) {
-      return styles.has(filter.id) ? 1 : 0;
-    }
-    return [...styles.values()]
-      .filter(s => filterMatch(filter, s.data))
-      .length;
+  function styleExists(filter) {
+    return [...styles.value()].some(s => filterMatch(filter, s.data));
   }
 
   function filterMatch(filter, target) {
@@ -291,11 +282,6 @@ const styleManager = (() => {
       .map(k => getStyleWithNoCode(styles.get(Number(k)).data));
   }
 
-  function countStylesByUrl(url, filter) {
-    const sections = getSectionsByUrl(url, filter);
-    return Object.keys(sections).length;
-  }
-
   function getSectionsByUrl(url, filter) {
     let cache = cachedStyleForUrl.get(url);
     if (!cache) {
diff --git a/popup/search-results.js b/popup/search-results.js
index 438652d3..962d0baa 100755
--- a/popup/search-results.js
+++ b/popup/search-results.js
@@ -289,14 +289,14 @@ window.addEventListener('showStyles:done', function _() {
       return;
     }
     const md5Url = UPDATE_URL.replace('%', result.id);
-    API.countStyles({md5Url}).then(installedStyle => {
-      if (installedStyle) {
+    API.styleExists({md5Url}).then(exist => {
+      if (exist) {
         totalResults = Math.max(0, totalResults - 1);
       } else {
         processedResults.push(result);
         render();
       }
-      setTimeout(processNextResult, !installedStyle && DELAY_AFTER_FETCHING_STYLES);
+      setTimeout(processNextResult, !exist && DELAY_AFTER_FETCHING_STYLES);
     });
   }