diff --git a/src/Symfony/Component/Security/Tests/Http/Firewall/SwitchUserListenerTest.php b/src/Symfony/Component/Security/Tests/Http/Firewall/SwitchUserListenerTest.php
index 1ee6ea5e52..4e795c8d62 100644
--- a/src/Symfony/Component/Security/Tests/Http/Firewall/SwitchUserListenerTest.php
+++ b/src/Symfony/Component/Security/Tests/Http/Firewall/SwitchUserListenerTest.php
@@ -152,7 +152,6 @@ class SwitchUserListenerTest extends \PHPUnit_Framework_TestCase
     public function testExitUserDoesNotDispatchEventWithStringUser()
     {
         $originalUser = 'anon.';
-        $refreshedUser = $this->getMock('Symfony\Component\Security\Core\User\UserInterface');
         $this
             ->userProvider
             ->expects($this->never())