diff --git a/tests/php/Control/CookieTest.php b/tests/php/Control/CookieTest.php
index 072fa2c76..bc771d99a 100644
--- a/tests/php/Control/CookieTest.php
+++ b/tests/php/Control/CookieTest.php
@@ -10,22 +10,12 @@ use SilverStripe\Control\Cookie;
 class CookieTest extends SapphireTest
 {
 
-    private $cookieInst;
-
     protected function setUp()
     {
         parent::setUp();
-        Injector::nest();
         Injector::inst()->registerService(new CookieJar($_COOKIE), 'SilverStripe\\Control\\Cookie_Backend');
     }
 
-    protected function tearDown()
-    {
-        //restore the cookie_backend
-        Injector::unnest();
-        parent::tearDown();
-    }
-
     /**
      * Check a new cookie inst will be loaded with the superglobal by default
      */