diff --git a/cookbook/security/voters_data_permission.rst b/cookbook/security/voters_data_permission.rst
index 6646f4e8928..7e2db803b36 100644
--- a/cookbook/security/voters_data_permission.rst
+++ b/cookbook/security/voters_data_permission.rst
@@ -60,7 +60,6 @@ edit a particular object. Here's an example implementation::
     namespace Acme\DemoBundle\Security\Authorization\Voter;
 
     use Symfony\Component\Security\Core\Exception\InvalidArgumentException;
-    use Symfony\Component\DependencyInjection\ContainerInterface;
     use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;
     use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
     use Symfony\Component\Security\Core\User\UserInterface;