diff --git a/core/lib/Drupal/Core/Test/FunctionalTestSetupTrait.php b/core/lib/Drupal/Core/Test/FunctionalTestSetupTrait.php
index 1b061ce870..f034393568 100644
--- a/core/lib/Drupal/Core/Test/FunctionalTestSetupTrait.php
+++ b/core/lib/Drupal/Core/Test/FunctionalTestSetupTrait.php
@@ -44,9 +44,11 @@
   /**
    * The original container.
    *
+   * Uncomment this line, once TestBase no longer provides the same value.
+   *
    * @var \Symfony\Component\DependencyInjection\ContainerInterface
    */
-  protected $originalContainer;
+   // protected $originalContainer ;
 
   /**
    * Prepares site settings and services before installation.