diff --git a/test/Twig/Tests/EnvironmentTest.php b/test/Twig/Tests/EnvironmentTest.php
index e118888bb83..03bdb682378 100644
--- a/test/Twig/Tests/EnvironmentTest.php
+++ b/test/Twig/Tests/EnvironmentTest.php
@@ -268,9 +268,6 @@ public function testHasGetExtensionByClassName()
 
         $this->assertSame($ext, $twig->getExtension('Twig_Tests_EnvironmentTest_Extension'));
         $this->assertSame($ext, $twig->getExtension('\Twig_Tests_EnvironmentTest_Extension'));
-
-        $this->assertTrue($twig->hasExtension('Twig\Tests\EnvironmentTest\Extension'));
-        $this->assertSame($ext, $twig->getExtension('Twig\Tests\EnvironmentTest\Extension'));
     }
 
     public function testAddExtension()