diff --git a/app/scripts/background.js b/app/scripts/background.js
index 3a183849c..58e446e8b 100644
--- a/app/scripts/background.js
+++ b/app/scripts/background.js
@@ -242,7 +242,6 @@ function setupController (initState, initLangCode) {
     showUnapprovedTx: triggerUi,
     showPermissionRequest: triggerUi,
     openPopup: openPopup,
-    closePopup: notificationManager.closePopup.bind(notificationManager),
     // initial state
     initState,
     // initial locale code