diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Templating/Helper/SessionHelperTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Templating/Helper/SessionHelperTest.php
index 3b9001c619..4bd043ed59 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Templating/Helper/SessionHelperTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Templating/Helper/SessionHelperTest.php
@@ -25,7 +25,6 @@ class SessionHelperTest extends \PHPUnit_Framework_TestCase
         $this->request = new Request();
 
         $session = new Session(new MockArraySessionStorage());
-        $session->start();
         $session->set('foobar', 'bar');
         $session->getFlashBag()->set('notice', 'bar');