.../Drupal/Core/EventSubscriber/ExceptionJsonSubscriber.php   | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/core/lib/Drupal/Core/EventSubscriber/ExceptionJsonSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/ExceptionJsonSubscriber.php
index e434486..d80384c 100644
--- a/core/lib/Drupal/Core/EventSubscriber/ExceptionJsonSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/ExceptionJsonSubscriber.php
@@ -39,15 +39,4 @@ public function on4xx(GetResponseForExceptionEvent $event) {
     $event->setResponse($response);
   }
 
-  /**
-   * Handles a 422 error for JSON.
-   *
-   * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
-   *   The event to process.
-   */
-  public function on422(GetResponseForExceptionEvent $event) {
-    $response = new JsonResponse(['message' => $event->getException()->getMessage()], Response::HTTP_UNPROCESSABLE_ENTITY);
-    $event->setResponse($response);
-  }
-
 }