diff --git a/background/background.js b/background/background.js
index cb25bbfe..a0ae97fe 100644
--- a/background/background.js
+++ b/background/background.js
@@ -119,22 +119,15 @@ prefs.subscribe(['iconset'], () =>
   }));
 
 // *************************************************************************
-{
-  const onInstall = ({reason}) => {
-    chrome.runtime.onInstalled.removeListener(onInstall);
-    if (reason === 'update') {
-      // translations may change
-      localStorage.L10N = JSON.stringify({
-        browserUIlanguage: chrome.i18n.getUILanguage(),
-      });
-      // themes may change
-      delete localStorage.codeMirrorThemes;
-    }
-  };
-  // bind for 60 seconds max and auto-unbind if it's a normal run
-  chrome.runtime.onInstalled.addListener(onInstall);
-  setTimeout(onInstall, 60e3, {reason: 'unbindme'});
-}
+chrome.runtime.onInstalled.addListener(({reason}) => {
+  if (reason !== 'update') return;
+  // translations may change
+  localStorage.L10N = JSON.stringify({
+    browserUIlanguage: chrome.i18n.getUILanguage(),
+  });
+  // themes may change
+  delete localStorage.codeMirrorThemes;
+});
 
 // *************************************************************************
 // browser commands