diff --git a/core/lib/Drupal/Core/Page/DefaultHtmlPageRenderer.php b/core/lib/Drupal/Core/Page/DefaultHtmlPageRenderer.php
index 3f1127d..579201d 100644
--- a/core/lib/Drupal/Core/Page/DefaultHtmlPageRenderer.php
+++ b/core/lib/Drupal/Core/Page/DefaultHtmlPageRenderer.php
@@ -16,11 +16,7 @@ class DefaultHtmlPageRenderer implements HtmlPageRendererInterface {
    * {@inheritdoc}
    */
   public function render(HtmlPage $page) {
-    $render = array(
-      '#type' => 'page',
-      '#page' => $page,
-    );
-    return drupal_render($render);
+    return $page->getContent();
   }
 
 }