diff --git a/composer.json b/composer.json
index ed69422..632ac74 100644
--- a/composer.json
+++ b/composer.json
@@ -29,8 +29,5 @@
     "psr-4": {
       "Pdir\\Contao\\ThemeHelperBundle\\ThemeHelperBundle\\": "src/"
     }
-  },
-  "extra": {
-    "contao-manager-plugin": "Pdir\\Contao\\ThemeHelperBundle\\ContaoManager\\Plugin"
   }
 }
diff --git a/src/Pdir/Contao/ThemeHelperBundle/ContaoManager/Plugin.php b/src/Pdir/Contao/ThemeHelperBundle/ContaoManager/Plugin.php
deleted file mode 100644
index 9aa6f52..0000000
--- a/src/Pdir/Contao/ThemeHelperBundle/ContaoManager/Plugin.php
+++ /dev/null
@@ -1,40 +0,0 @@
-<?php
-
-/**
- * Theme Helper Bundle for Contao Open Source CMS
- *
- * Copyright (C) 2017 pdir / digital agentur <develop@pdir.de>
- *
- * @package    pdir/contao-theme-helper-bundle
- * @link       https://github.com/pdir/contao-theme-helper-bundle
- * @license    LGPL-3.0+
- * @author     Mathias Arzberger <develop@pdir.de>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-namespace Pdir\Contao\ThemeHelperBundle\ContaoManager;
-
-use Contao\CoreBundle\ContaoCoreBundle;
-use Contao\ManagerPlugin\Bundle\BundlePluginInterface;
-use Contao\ManagerPlugin\Bundle\Config\BundleConfig;
-use Contao\ManagerPlugin\Bundle\Parser\ParserInterface;
-
-/**
- * Plugin for the Contao Manager.
- *
- * @author Mathias Arzberger <develop@pdir.de>
- */
-class Plugin implements BundlePluginInterface
-{
-    /**
-     * {@inheritdoc}
-     */
-    public function getBundles(ParserInterface $parser)
-    {
-        return [
-            BundleConfig::create(ThemeHelperBundle::class)
-                ->setLoadAfter([ThemeHelperBundle::class])
-        ];
-    }
-}