diff --git a/src/Symfony/Component/HttpFoundation/File/File.php b/src/Symfony/Component/HttpFoundation/File/File.php
index 87c1606d4a..b575c8592e 100644
--- a/src/Symfony/Component/HttpFoundation/File/File.php
+++ b/src/Symfony/Component/HttpFoundation/File/File.php
@@ -87,20 +87,6 @@ class File extends \SplFileInfo
         return $guesser->guess($this->getPathname());
     }
 
-    /**
-     * Returns the extension of the file.
-     *
-     * \SplFileInfo::getExtension() is not available before PHP 5.3.6
-     *
-     * @return string The extension
-     *
-     * @api
-     */
-    public function getExtension()
-    {
-        return pathinfo($this->getBasename(), PATHINFO_EXTENSION);
-    }
-
     /**
      * Moves the file to a new location.
      *
diff --git a/src/Symfony/Component/HttpFoundation/Tests/File/FileTest.php b/src/Symfony/Component/HttpFoundation/Tests/File/FileTest.php
index 1f89c391d5..9e07d9e14b 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/File/FileTest.php
+++ b/src/Symfony/Component/HttpFoundation/Tests/File/FileTest.php
@@ -148,12 +148,6 @@ class FileTest extends \PHPUnit_Framework_TestCase
         @rmdir($targetDir);
     }
 
-    public function testGetExtension()
-    {
-        $file = new File(__DIR__.'/Fixtures/test.gif');
-        $this->assertEquals('gif', $file->getExtension());
-    }
-
     protected function createMockGuesser($path, $mimeType)
     {
         $guesser = $this->getMock('Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesserInterface');