diff --git a/core/modules/block/block.module b/core/modules/block/block.module
index 222d09a..07bec84 100644
--- a/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -531,6 +531,11 @@ function template_preprocess_block(&$variables) {
   $block_counter = &drupal_static(__FUNCTION__, array());
 
   $variables['block'] = (object) $variables['elements']['#block_config'];
+  // If the block title is configured to be hidden, set it to an empty string.
+  if (empty($variables['block']->display_title)) {
+    $variables['block']->hidden_title = $variables['block']->subject;
+    $variables['block']->subject = '';
+  }
 
   // All blocks get an independent counter for each region.
   if (!isset($block_counter[$variables['block']->region])) {
diff --git a/core/modules/block/lib/Drupal/block/BlockBase.php b/core/modules/block/lib/Drupal/block/BlockBase.php
index 9e5bf6c..496323a 100644
--- a/core/modules/block/lib/Drupal/block/BlockBase.php
+++ b/core/modules/block/lib/Drupal/block/BlockBase.php
@@ -76,8 +76,8 @@ public function getConfig() {
         $this->configuration += array('subject' => $definition['subject']);
       }
     }
-    // Ensure that the default cache mode is set.
-    $this->configuration += array('cache' => DRUPAL_NO_CACHE);
+    // Ensure that the default cache mode and title display is set.
+    $this->configuration += array('cache' => DRUPAL_NO_CACHE, 'display_title' => TRUE);
     return $this->configuration;
   }
 
@@ -239,6 +239,12 @@ public function form($form, &$form_state) {
       '#title' => t('Title'),
       '#maxlength' => 255,
       '#default_value' => !$entity->isNew() ? $entity->label() : $definition['subject'],
+      '#required' => TRUE,
+    );
+    $form['display_title'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Display title'),
+      '#default_value' => isset($this->configuration['display_title']) ? $this->configuration['display_title'] : TRUE,
     );
     $form['machine_name'] = array(
       '#type' => 'machine_name',