diff --git a/core/lib/Drupal/Core/DrupalKernel.php b/core/lib/Drupal/Core/DrupalKernel.php
index 00b9f9f..a707240 100644
--- a/core/lib/Drupal/Core/DrupalKernel.php
+++ b/core/lib/Drupal/Core/DrupalKernel.php
@@ -927,33 +927,6 @@ protected function initializeCookieGlobals(Request $request) {
   }
 
   /**
-   * Returns service instances to persist from an old container to a new one.
-   */
-  protected function getServicesToPersist(ContainerInterface $container) {
-    $persist = array();
-    foreach ($container->getParameter('syntheticIds') as $id) {
-      // It's pointless to persist services not yet initialized.
-      if ($container->initialized($id)) {
-        $persist[$id] = $container->get($id);
-      }
-    }
-    return $persist;
-  }
-
-  /**
-   * Moves persistent service instances into a new container.
-   */
-  protected function persistServices(ContainerInterface $container, array $persist) {
-    foreach ($persist as $id => $object) {
-      // Do not override services already set() on the new container, for
-      // example 'service_container'.
-      if (!$container->initialized($id)) {
-        $container->set($id, $object);
-      }
-    }
-  }
-
-  /**
    * Force a container rebuild.
    *
    * @return \Symfony\Component\DependencyInjection\ContainerInterface
@@ -974,12 +947,6 @@ public function rebuildContainer() {
    * @return ContainerInterface
    */
   protected function attachSynthetic(ContainerInterface $container) {
-    $persist = array();
-    if (isset($this->container)) {
-      $persist = $this->getServicesToPersist($this->container);
-    }
-    $this->persistServices($container, $persist);
-
     // All namespaces must be registered before we attempt to use any service
     // from the container.
     $this->classLoaderAddMultiplePsr4($container->getParameter('container.namespaces'));
@@ -1000,6 +967,9 @@ protected function attachSynthetic(ContainerInterface $container) {
 
       while ($request = array_shift($requests)) {
         $container->get('request_stack')->push($request);
+      }
+
+      if ($request) {
         $container->get('router.request_context')->fromRequest($request);
       }
     }
@@ -1087,17 +1057,6 @@ protected function compileContainer() {
       }
     }
 
-    // Identify all synthetic services whose instances need to be persisted when
-    // rebuilding the container during the lifetime of the kernel (e.g., during
-    // a kernel reboot).
-    $synthetic_ids = array();
-    foreach ($container->getDefinitions() as $id => $definition) {
-      if ($definition->isSynthetic()) {
-        $synthetic_ids[] = $id;
-      }
-    }
-    $container->setParameter('syntheticIds', $synthetic_ids);
-
     $container->compile();
     return $container;
   }