diff --git a/core/core.services.yml b/core/core.services.yml
index aadc0ed..66952a9 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -1047,6 +1047,7 @@ services:
   session.subrequest_session_subscrber:
     class: Drupal\Core\EventSubscriber\SubRequestSessionSubscriber
     public: false
+    arguments: ['@request_stack']
     tags:
       - { name: event_subscriber }
   session_manager:
diff --git a/core/lib/Drupal/Core/EventSubscriber/SubRequestSessionSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/SubRequestSessionSubscriber.php
index 7464618..72391c1 100644
--- a/core/lib/Drupal/Core/EventSubscriber/SubRequestSessionSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/SubRequestSessionSubscriber.php
@@ -7,13 +7,10 @@
 
 namespace Drupal\Core\EventSubscriber;
 
-use Drupal\Core\Authentication\AuthenticationProviderInterface;
 use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\HttpKernel\KernelEvents;
-use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
-use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
 /**