diff --git a/core/lib/Drupal/Core/DependencyInjection/DependencySerializationTrait.php b/core/lib/Drupal/Core/DependencyInjection/DependencySerializationTrait.php
index 65501b0747469a07944db8cd983bd6d714d1e27f..356212d9a528bd03b7c2db2202a8a9fea256a4af 100644
--- a/core/lib/Drupal/Core/DependencyInjection/DependencySerializationTrait.php
+++ b/core/lib/Drupal/Core/DependencyInjection/DependencySerializationTrait.php
@@ -72,31 +72,14 @@ public function __sleep() {
    */
   #[\ReturnTypeWillChange]
   public function __wakeup() {
-    // Tests in isolation potentially unserialize in the parent process.
-    $phpunit_bootstrap = isset($GLOBALS['__PHPUNIT_BOOTSTRAP']);
-    if ($phpunit_bootstrap && !\Drupal::hasContainer()) {
-      return;
-    }
-    $container = \Drupal::getContainer();
     foreach ($this->_serviceIds as $key => $service_id) {
-      // In rare cases, when test data is serialized in the parent process,
-      // there is a service container but it doesn't contain all expected
-      // services. To avoid fatal errors during the wrap-up of failing tests, we
-      // check for this case, too.
-      if ($phpunit_bootstrap && !$container->has($service_id)) {
-        continue;
-      }
-      $this->$key = $container->get($service_id);
+      $this->$key = \Drupal::service($service_id);
     }
     $this->_serviceIds = [];
 
-    // In rare cases, when test data is serialized in the parent process, there
-    // is a service container but it doesn't contain all expected services. To
-    // avoid fatal errors during the wrap-up of failing tests, we check for this
-    // case, too.
-    if ($this->_entityStorages && (!$phpunit_bootstrap || $container->has('entity_type.manager'))) {
+    if ($this->_entityStorages) {
       /** @var \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager */
-      $entity_type_manager = $container->get('entity_type.manager');
+      $entity_type_manager = \Drupal::service('entity_type.manager');
       foreach ($this->_entityStorages as $key => $entity_type_id) {
         $this->$key = $entity_type_manager->getStorage($entity_type_id);
       }