diff --git a/tests/phpunit/includes/object-cache.php b/tests/phpunit/includes/object-cache.php
index 2e35803e84..f9d9e96d4d 100644
--- a/tests/phpunit/includes/object-cache.php
+++ b/tests/phpunit/includes/object-cache.php
@@ -807,16 +807,7 @@ class WP_Object_Cache {
 	 *
 	 * @var array
 	 */
-	public $global_groups = array(
-		'users',
-		'userlogins',
-		'usermeta',
-		'site-options',
-		'site-lookup',
-		'blog-lookup',
-		'blog-details',
-		'rss',
-	);
+	public $global_groups = array();
 
 	/**
 	 * List of groups not saved to Memcached.