diff --git a/core/modules/views/lib/Drupal/views/Tests/ViewAjaxTest.php b/core/modules/views/lib/Drupal/views/Tests/ViewAjaxTest.php
index d28a075..acba94d 100644
--- a/core/modules/views/lib/Drupal/views/Tests/ViewAjaxTest.php
+++ b/core/modules/views/lib/Drupal/views/Tests/ViewAjaxTest.php
@@ -6,8 +6,7 @@
  */
 
 namespace Drupal\views\Tests;
-
-use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+use Drupal\Component\Utility\Json;
 
 /**
  * Tests the ajax view functionality.
@@ -21,13 +20,6 @@ class ViewAjaxTest extends ViewTestBase {
    */
   public static $testViews = array('test_ajax_view');
 
-  /**
-   * A http client.
-   *
-   * @var \Guzzle\Http\ClientInterface
-   */
-  protected $httpClient;
-
   public static function getInfo() {
     return array(
       'name' => 'View: Ajax',
@@ -40,8 +32,6 @@ protected function setUp() {
     parent::setUp();
 
     $this->enableViewsTestModule();
-
-    $this->httpClient = $this->container->get('http_default_client');
   }
 
   /**
@@ -64,7 +54,7 @@ public function testAjaxView() {
         'Content-Type: application/x-www-form-urlencoded',
       ),
     ));
-    $data = json_decode($response);
+    $data = Json::decode($response);
 
     // Ensure that the view insert command is part of the result.
     $this->assertEqual($data[1]->command, 'insert');