diff --git a/core/lib/Drupal/Core/Extension/ModuleInstaller.php b/core/lib/Drupal/Core/Extension/ModuleInstaller.php
index ebb79d6..0d9b648 100644
--- a/core/lib/Drupal/Core/Extension/ModuleInstaller.php
+++ b/core/lib/Drupal/Core/Extension/ModuleInstaller.php
@@ -223,10 +223,8 @@ public function install(array $module_list, $enable_dependencies = TRUE) {
           $version = max(max($versions), $version);
         }
 
-        /** @var \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher */
-        $event_dispatcher = $this->kernel->getContainer()->get('event_dispatcher');
         $event = new ModuleEvent($module);
-        $event_dispatcher->dispatch(ModuleEvents::MODULE_INSTALLED, $event);
+        $this->eventDispatcher->dispatch(ModuleEvents::MODULE_INSTALLED, $event);
 
         // Install default configuration of the module.
         $config_installer = \Drupal::service('config.installer');
@@ -368,10 +366,8 @@ public function uninstall(array $module_list, $uninstall_dependents = TRUE) {
       // Remove all configuration belonging to the module.
       \Drupal::service('config.manager')->uninstall('module', $module);
 
-      /** @var \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher */
-      $event_dispatcher = $this->kernel->getContainer()->get('event_dispatcher');
       $event = new ModuleEvent($module);
-      $event_dispatcher->dispatch(ModuleEvents::MODULE_UNINSTALLED, $event);
+      $this->eventDispatcher->dispatch(ModuleEvents::MODULE_UNINSTALLED, $event);
 
       // Remove the schema.
       drupal_uninstall_schema($module);