diff --git a/application/controllers/UsergroupbackendController.php b/application/controllers/UsergroupbackendController.php
index 4c641586c..eef6afd92 100644
--- a/application/controllers/UsergroupbackendController.php
+++ b/application/controllers/UsergroupbackendController.php
@@ -3,11 +3,10 @@
 
 use Icinga\Application\Config;
 use Icinga\Exception\NotFoundError;
-use Icinga\Forms\ConfirmRemovalForm;
 use Icinga\Forms\Config\UserGroup\UserGroupBackendForm;
+use Icinga\Forms\ConfirmRemovalForm;
 use Icinga\Web\Controller;
 use Icinga\Web\Notification;
-use Icinga\Web\Url;
 
 /**
  * Controller to configure user group backends