diff --git a/Classes/Slot/AddCustomGroupsSlot.php b/Classes/Slot/AddCustomGroupsSlot.php
deleted file mode 100644
index 57d419e..0000000
--- a/Classes/Slot/AddCustomGroupsSlot.php
+++ /dev/null
@@ -1,52 +0,0 @@
-<?php
-namespace MMK2410\FeIpLogin\Slot;
-
-/***************************************************************
- *  Copyright notice
- *
- *  (c) 2016 Alex Kellner <alexander.kellner@in2code.de>, in2code.de
- *  (c) 2018 Marcel Kapfer <stuve.oeffentlichkeitsarbeit@uni-ulm.de>, Verfasste Studierendenschaft der Universität Ulm
- *  (c) 2021 Marcel Kapfer <opensource@mmk2410.org>
- *
- *  All rights reserved
- *
- *  This script is part of the TYPO3 project. The TYPO3 project is
- *  free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  The GNU General Public License can be found at
- *  http://www.gnu.org/copyleft/gpl.html.
- *
- *  This script is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  This copyright notice MUST APPEAR in all copies of the script!
- ***************************************************************/
-
-use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Extbase\Object\ObjectManager;
-use MMK2410\FeIpLogin\Domain\Repository\FeGroupsRepository;
-
-/**
- * Add a custom groups slog
- */
-class AddCustomGroupsSlot
-{
-
-    public function addCustomGroups($customGroups)
-    {
-        $feGroupsRepository = GeneralUtility::makeInstance(ObjectManager::class)
-                            ->get(FeGroupsRepository::class);
-        $feGroups = $feGroupsRepository->findByCurrentIpAddress();
-
-        foreach ($feGroups as $feGroup) {
-            $customGroups[] = $feGroup['uid'];
-        }
-
-        return array($customGroups);
-    }
-}