diff --git a/core/lib/Drupal/Core/Config/ConfigImporter.php b/core/lib/Drupal/Core/Config/ConfigImporter.php
index 02460118d2fa44cfd296ee78ea116149f0dc67e0..18f7a0cf95e754e76aafde0018fe39553d702d6a 100644
--- a/core/lib/Drupal/Core/Config/ConfigImporter.php
+++ b/core/lib/Drupal/Core/Config/ConfigImporter.php
@@ -698,7 +698,7 @@ protected function processMissingContent(&$context) {
       $missing_content = $sandbox['missing_content']['data'];
     }
     if (!empty($missing_content)) {
-      $event = new MissingContentEvent($missing_content, $this);
+      $event = new MissingContentEvent($missing_content);
       // Fire an event to allow listeners to create the missing content.
       $this->eventDispatcher->dispatch($event, ConfigEvents::IMPORT_MISSING_CONTENT);
       $sandbox['missing_content']['data'] = $event->getMissingContent();
diff --git a/core/lib/Drupal/Core/Config/Importer/MissingContentEvent.php b/core/lib/Drupal/Core/Config/Importer/MissingContentEvent.php
index e76cc114023210317dda8d9ef2ca3843dae940d3..4b3dce9fc40f6defcb30ec3df4882773f37e72f6 100644
--- a/core/lib/Drupal/Core/Config/Importer/MissingContentEvent.php
+++ b/core/lib/Drupal/Core/Config/Importer/MissingContentEvent.php
@@ -2,15 +2,14 @@
 
 namespace Drupal\Core\Config\Importer;
 
-use Drupal\Core\Config\ConfigImporter;
-use Drupal\Core\Config\ConfigImporterEvent;
+use Drupal\Component\EventDispatcher\Event;
 
 /**
  * Wraps a configuration event for event listeners.
  *
  * @see \Drupal\Core\Config\ConfigEvents::IMPORT_MISSING_CONTENT
  */
-class MissingContentEvent extends ConfigImporterEvent {
+class MissingContentEvent extends Event {
 
   /**
    * A list of missing content dependencies.
@@ -24,11 +23,8 @@ class MissingContentEvent extends ConfigImporterEvent {
    *
    * @param array $missing_content
    *   Missing content information.
-   * @param \Drupal\Core\Config\ConfigImporter $config_importer
-   *   The config importer that triggered this event.
    */
-  public function __construct(array $missing_content, ConfigImporter $config_importer) {
-    parent::__construct($config_importer);
+  public function __construct(array $missing_content) {
     $this->missingContent = $missing_content;
   }
 
diff --git a/core/modules/config/tests/config_import_test/src/EventSubscriber.php b/core/modules/config/tests/config_import_test/src/EventSubscriber.php
index 60fd4501436f35c52dabcf98efc7a53ed7ff137e..4da76d83df698c80f958ce1b5e69e738fc161039 100644
--- a/core/modules/config/tests/config_import_test/src/EventSubscriber.php
+++ b/core/modules/config/tests/config_import_test/src/EventSubscriber.php
@@ -4,7 +4,6 @@
 
 use Drupal\Core\Config\ConfigCrudEvent;
 use Drupal\Core\Config\ConfigEvents;
-use Drupal\Core\Config\ConfigImporter;
 use Drupal\Core\Config\ConfigImporterEvent;
 use Drupal\Core\Config\Importer\MissingContentEvent;
 use Drupal\Core\State\StateInterface;
@@ -73,9 +72,6 @@ public function onConfigImporterMissingContentOne(MissingContentEvent $event) {
    *   The missing content event.
    */
   public function onConfigImporterMissingContentTwo(MissingContentEvent $event) {
-    if (!$event->getConfigImporter() instanceof ConfigImporter) {
-      throw new \LogicException('\Drupal\Core\Config\Importer\MissingContentEvent is missing the ConfigImporter');
-    }
     if ($this->state->get('config_import_test.config_import_missing_content', FALSE) && $this->state->get('config_import_test.config_import_missing_content_two', FALSE) === FALSE) {
       $missing = $event->getMissingContent();
       $uuid = key($missing);