.../lib/Drupal/custom_block/Plugin/Block/CustomBlockBlock.php    |    3 ++-
 .../block/lib/Drupal/block/Tests/BlockStorageUnitTest.php        |    6 +++---
 .../views/lib/Drupal/views/Plugin/Block/ViewsBlockBase.php       |    6 ++----
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/core/modules/block/custom_block/lib/Drupal/custom_block/Plugin/Block/CustomBlockBlock.php b/core/modules/block/custom_block/lib/Drupal/custom_block/Plugin/Block/CustomBlockBlock.php
index fe7f461..dca5a43 100644
--- a/core/modules/block/custom_block/lib/Drupal/custom_block/Plugin/Block/CustomBlockBlock.php
+++ b/core/modules/block/custom_block/lib/Drupal/custom_block/Plugin/Block/CustomBlockBlock.php
@@ -89,7 +89,8 @@ public static function create(ContainerInterface $container, array $configuratio
    * {@inheritdoc}
    */
   public function defaultConfiguration() {
-    return array(
+    $default_configuration = parent::defaultConfiguration();
+    return $default_configuration + array(
       'status' => TRUE,
       'info' => '',
       'view_mode' => 'full',
diff --git a/core/modules/block/lib/Drupal/block/Tests/BlockStorageUnitTest.php b/core/modules/block/lib/Drupal/block/Tests/BlockStorageUnitTest.php
index 9c9ff2a..c6bee1f 100644
--- a/core/modules/block/lib/Drupal/block/Tests/BlockStorageUnitTest.php
+++ b/core/modules/block/lib/Drupal/block/Tests/BlockStorageUnitTest.php
@@ -99,12 +99,12 @@ protected function createTests() {
       'region' => '-1',
       'plugin' => 'test_html',
       'settings' => array(
-        'label' => '',
-        'module' => 'block_test',
-        'label_display' => BlockInterface::BLOCK_LABEL_VISIBLE,
         'cache' => array(
           'max_age' => 0,
         ),
+        'label' => '',
+        'module' => 'block_test',
+        'label_display' => BlockInterface::BLOCK_LABEL_VISIBLE,
       ),
       'visibility' => NULL,
     );
diff --git a/core/modules/views/lib/Drupal/views/Plugin/Block/ViewsBlockBase.php b/core/modules/views/lib/Drupal/views/Plugin/Block/ViewsBlockBase.php
index 56f3c86..32088c4 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/Block/ViewsBlockBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/Block/ViewsBlockBase.php
@@ -99,10 +99,8 @@ public function access(AccountInterface $account) {
    * {@inheritdoc}
    */
   public function defaultConfiguration() {
-    $settings = array();
-    $settings['views_label'] = '';
-
-    return $settings;
+    $default_configuration = parent::defaultConfiguration();
+    return $default_configuration + array('views_label' => '');
   }
 
   /**