diff --git a/user.js b/user.js
index 3361e9b..8fb0e98 100644
--- a/user.js
+++ b/user.js
@@ -1445,8 +1445,8 @@ user_pref("network.cookie.thirdparty.sessionOnly", true);
  * [1] https://developer.mozilla.org/docs/Web/API/StorageManager
  * [2] https://developer.mozilla.org/docs/Web/API/Storage_API
  * [3] https://blog.mozilla.org/l10n/2017/03/07/firefox-l10n-report-aurora-54/ ***/
-   // user_pref("dom.storageManager.enabled", false); // (FF51+)
-   // user_pref("browser.storageManager.enabled", false); // (FF53+)
+user_pref("dom.storageManager.enabled", false); // (FF51+)
+user_pref("browser.storageManager.enabled", false); // (FF53+)
 /* 2707: clear localStorage and UUID when an extension is uninstalled
  * [NOTE] Both preferences must be the same
  * [1] https://developer.mozilla.org/Add-ons/WebExtensions/API/storage/local