core/lib/Drupal/Core/Routing/AccessAwareRouter.php                   | 3 ---
 core/tests/Drupal/KernelTests/Core/Routing/ExceptionHandlingTest.php | 2 ++
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/core/lib/Drupal/Core/Routing/AccessAwareRouter.php b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
index 0d592fa..1a93b42 100644
--- a/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
+++ b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
@@ -113,9 +113,6 @@ protected function checkAccess(Request $request) {
       $request->attributes->set(AccessAwareRouterInterface::ACCESS_RESULT, $access_result);
     }
     if (!$access_result->isAllowed()) {
-      print_r('----------');
-      print_r($access_result instanceof CacheableDependencyInterface);
-      print_r('+--------+');
       if ($access_result instanceof CacheableDependencyInterface && $request->isMethodCacheable()) {
         throw new CacheableAccessDeniedHttpException($access_result, $access_result instanceof AccessResultReasonInterface ? $access_result->getReason() : NULL);
       }
diff --git a/core/tests/Drupal/KernelTests/Core/Routing/ExceptionHandlingTest.php b/core/tests/Drupal/KernelTests/Core/Routing/ExceptionHandlingTest.php
index 5d68f95..3215d9c 100644
--- a/core/tests/Drupal/KernelTests/Core/Routing/ExceptionHandlingTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Routing/ExceptionHandlingTest.php
@@ -3,6 +3,7 @@
 namespace Drupal\KernelTests\Core\Routing;
 
 use Drupal\Component\Utility\Html;
+use Drupal\Core\Cache\CacheableJsonResponse;
 use Drupal\KernelTests\KernelTestBase;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -56,6 +57,7 @@ public function testJson403() {
     $this->assertEqual($response->getStatusCode(), Response::HTTP_FORBIDDEN);
     $this->assertEqual($response->headers->get('Content-type'), 'application/json');
     $this->assertEqual('{"message":""}', $response->getContent());
+    $this->assertInstanceOf(CacheableJsonResponse::class, $response);
   }
 
   /**