diff -u b/core/lib/Drupal/Core/Menu/Plugin/Block/LocalTasksBlock.php b/core/lib/Drupal/Core/Menu/Plugin/Block/LocalTasksBlock.php
--- b/core/lib/Drupal/Core/Menu/Plugin/Block/LocalTasksBlock.php
+++ b/core/lib/Drupal/Core/Menu/Plugin/Block/LocalTasksBlock.php
@@ -141,7 +141,7 @@
       '#title' => $this->t('Show primary tabs'),
       '#default_value' => $config['primary'],
     ];
-    $form['leves']['secondary'] = [
+    $form['levels']['secondary'] = [
       '#type' => 'checkbox',
       '#title' => $this->t('Show secondary tabs'),
       '#default_value' => $config['secondary'],
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Menu/Plugin/Block/LocalActionsBlock.php
+++ b/core/lib/Drupal/Core/Menu/Plugin/Block/LocalActionsBlock.php
@@ -91,35 +91,11 @@ public function build() {
     return $local_actions;
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
-    $form = parent::buildConfigurationForm($form, $form_state);
-
-    // The "Primary admin actions" block is never cacheable because hooks creating local
-    // actions don't provide cacheability metadata.
-    // @todo Remove after https://www.drupal.org/node/2511516 has landed.
-    $form['cache']['#disabled'] = TRUE;
-    $form['cache']['#description'] = $this->t('This block is never cacheable.');
-    $form['cache']['max_age']['#value'] = 0;
-
-    return $form;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getCacheMaxAge() {
-    // @todo Remove after https://www.drupal.org/node/2511516 has landed.
-    return 0;
-  }
-
-  /**
+  /*
    * {@inheritdoc}
    */
   public function getCacheContexts() {
-    return ['route.name'];
+    return ['route'];
   }
 
 }