diff --git a/src/js/controllers/preferencesAdvanced.js b/src/js/controllers/preferencesAdvanced.js
index 3777899e2..5cd7dca3c 100644
--- a/src/js/controllers/preferencesAdvanced.js
+++ b/src/js/controllers/preferencesAdvanced.js
@@ -2,6 +2,4 @@
 
 angular.module('copayApp.controllers').controller('preferencesAdvancedController',
   function($scope) {
-    this.scan = function() {
-    };
   });