commit d2192578ac1c1643b06cd333650a61629d4c1066
Author: Pancho <oa@pavo.uberspace.de>
Date:   Sat May 18 12:27:35 2013 +0200

    1990544-8

diff --git a/core/modules/system/lib/Drupal/system/Form/ModulesListForm.php b/core/modules/system/lib/Drupal/system/Form/ModulesListForm.php
index 5f86951..46577ea 100644
--- a/core/modules/system/lib/Drupal/system/Form/ModulesListForm.php
+++ b/core/modules/system/lib/Drupal/system/Form/ModulesListForm.php
@@ -7,11 +7,10 @@
 
 namespace Drupal\system\Form;
 
-use Drupal\Core\ControllerInterface;
 use Drupal\Core\Form\FormInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
-class ModulesListForm implements FormInterface, ControllerInterface {
+class ModulesListForm implements FormInterface {
 
   /**
    * {@inheritdoc}