diff --git a/background/usercss-helper.js b/background/usercss-helper.js
index 6d74a8e9..3f6081f6 100644
--- a/background/usercss-helper.js
+++ b/background/usercss-helper.js
@@ -1,8 +1,7 @@
 /* global API_METHODS usercss styleManager deepCopy openURL download URLS */
-/* exports usercssHelper */
+/* exported usercssHelper */
 'use strict';
 
-// eslint-disable-next-line no-unused-vars
 const usercssHelper = (() => {
   const installCodeCache = {};
   const clearInstallCode = url => delete installCodeCache[url];