diff --git a/core/modules/serialization/src/EventSubscriber/DefaultExceptionSubscriber.php b/core/modules/serialization/src/EventSubscriber/DefaultExceptionSubscriber.php
index ba91836..5aec1b6 100644
--- a/core/modules/serialization/src/EventSubscriber/DefaultExceptionSubscriber.php
+++ b/core/modules/serialization/src/EventSubscriber/DefaultExceptionSubscriber.php
@@ -55,74 +55,15 @@ protected static function getPriority() {
     return -75;
   }
 
-  /**
-   * Handles a 400 error for HTTP.
-   *
-   * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
-   *   The event to process.
-   */
-  public function on400(GetResponseForExceptionEvent $event) {
-    $this->setEventResponse($event, Response::HTTP_BAD_REQUEST);
-  }
-
-  /**
-   * Handles a 403 error for HTTP.
-   *
-   * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
-   *   The event to process.
-   */
-  public function on403(GetResponseForExceptionEvent $event) {
-    $this->setEventResponse($event, Response::HTTP_FORBIDDEN);
-  }
 
   /**
-   * Handles a 404 error for HTTP.
+   * Handles all 4xx errors for all serialization failures.
    *
    * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
    *   The event to process.
    */
-  public function on404(GetResponseForExceptionEvent $event) {
-    $this->setEventResponse($event, Response::HTTP_NOT_FOUND);
-  }
-
-  /**
-   * Handles a 405 error for HTTP.
-   *
-   * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
-   *   The event to process.
-   */
-  public function on405(GetResponseForExceptionEvent $event) {
-    $this->setEventResponse($event, Response::HTTP_METHOD_NOT_ALLOWED);
-  }
-
-  /**
-   * Handles a 406 error for HTTP.
-   *
-   * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
-   *   The event to process.
-   */
-  public function on406(GetResponseForExceptionEvent $event) {
-    $this->setEventResponse($event, Response::HTTP_NOT_ACCEPTABLE);
-  }
-
-  /**
-   * Handles a 422 error for HTTP.
-   *
-   * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
-   *   The event to process.
-   */
-  public function on422(GetResponseForExceptionEvent $event) {
-    $this->setEventResponse($event, Response::HTTP_UNPROCESSABLE_ENTITY);
-  }
-
-  /**
-   * Handles a 429 error for HTTP.
-   *
-   * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
-   *   The event to process.
-   */
-  public function on429(GetResponseForExceptionEvent $event) {
-    $this->setEventResponse($event, Response::HTTP_TOO_MANY_REQUESTS);
+  public function on4xx(GetResponseForExceptionEvent $event) {
+    $this->setEventResponse($event, Response::HTTP_BAD_REQUEST);
   }
 
   /**