diff --git a/core/modules/node/src/Access/NodePreviewAccessCheck.php b/core/modules/node/src/Access/NodePreviewAccessCheck.php
index 49aaa2b..3aa5934 100644
--- a/core/modules/node/src/Access/NodePreviewAccessCheck.php
+++ b/core/modules/node/src/Access/NodePreviewAccessCheck.php
@@ -47,7 +47,7 @@ public function __construct(EntityManagerInterface $entity_manager) {
    */
   public function access(AccountInterface $account, NodeInterface $node_preview) {
     if ($node_preview->isNew()) {
-      $access_controller = $this->entityManager->getAccessController('node');
+      $access_controller = $this->entityManager->getAccessControlHandler('node');
       return $access_controller->createAccess($node_preview->bundle(), $account) ? static::ALLOW : static::DENY;
     }
     else {
diff --git a/core/modules/node/src/Form/NodePreviewForm.php b/core/modules/node/src/Form/NodePreviewForm.php
index 68ea07c..d85e92d 100644
--- a/core/modules/node/src/Form/NodePreviewForm.php
+++ b/core/modules/node/src/Form/NodePreviewForm.php
@@ -111,7 +111,7 @@ public function buildForm(array $form, FormStateInterface $form_state, EntityInt
    * {@inheritdoc}
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
-    $form_state['redirect_route'] = new Url('node.preview', array(
+    $form_state->setRedirect('node.preview', array(
       'node_preview' => $form_state['values']['uuid'],
       'view_mode_id' => $form_state['values']['view_mode'],
     ));
diff --git a/core/modules/node/src/NodeForm.php b/core/modules/node/src/NodeForm.php
index 7155242..668654f 100644
--- a/core/modules/node/src/NodeForm.php
+++ b/core/modules/node/src/NodeForm.php
@@ -408,13 +408,10 @@ public function preview(array $form, FormStateInterface $form_state) {
     $store = $this->tempStoreFactory->get('node_preview');
     $this->entity->in_preview = TRUE;
     $store->set($this->entity->uuid(), $form_state);
-    $form_state['redirect_route'] = array(
-      'route_name' => 'node.preview',
-      'route_parameters' => array(
-        'node_preview' => $this->entity->uuid(),
-        'view_mode_id' => 'default',
-      ),
-    );
+    $form_state->setRedirect('node.preview', array(
+      'node_preview' => $this->entity->uuid(),
+      'view_mode_id' => 'default',
+    ));
   }
 
   /**