diff --git a/core/modules/field/field.module b/core/modules/field/field.module
index ce17f9d..8ab7c20 100644
--- a/core/modules/field/field.module
+++ b/core/modules/field/field.module
@@ -465,7 +465,7 @@ function field_entity_field_info($entity_type) {
  */
 function field_field_widget_info_alter(&$info) {
   // Add the Hidden widget to all field types.
-  $info['field_hidden']['field_types'] = array_keys(field_info_field_types());
+  $info['hidden']['field_types'] = array_keys(field_info_field_types());
 }
 
 /**
diff --git a/core/modules/field/lib/Drupal/field/Plugin/field/widget/HiddenWidget.php b/core/modules/field/lib/Drupal/field/Plugin/field/widget/HiddenWidget.php
index 2eae2e6..4054838 100644
--- a/core/modules/field/lib/Drupal/field/Plugin/field/widget/HiddenWidget.php
+++ b/core/modules/field/lib/Drupal/field/Plugin/field/widget/HiddenWidget.php
@@ -12,10 +12,10 @@
 use Drupal\field\Plugin\Type\Widget\WidgetBase;
 
 /**
- * Plugin implementation of the 'field_hidden' widget.
+ * Plugin implementation of the 'Hidden' widget.
  *
  * @Plugin(
- *   id = "field_hidden",
+ *   id = "hidden",
  *   module = "field",
  *   label = @Translation("- Hidden -"),
  *   multiple_values = TRUE,
diff --git a/core/modules/field/lib/Drupal/field/Tests/FormTest.php b/core/modules/field/lib/Drupal/field/Tests/FormTest.php
index eeb4ae0..b0a830d 100644
--- a/core/modules/field/lib/Drupal/field/Tests/FormTest.php
+++ b/core/modules/field/lib/Drupal/field/Tests/FormTest.php
@@ -585,7 +585,7 @@ function testFieldFormHiddenWidget() {
     $this->field = $this->field_single;
     $this->field_name = $this->field['field_name'];
     $this->instance['field_name'] = $this->field_name;
-    $this->instance['widget']['type'] = 'field_hidden';
+    $this->instance['widget']['type'] = 'hidden';
     $this->instance['default_value'] = array(0 => array('value' => 99));
     field_create_field($this->field);
     field_create_instance($this->instance);
@@ -624,7 +624,7 @@ function testFieldFormHiddenWidget() {
     $this->assertEqual($entity->{$this->field_name}[$langcode][0]['value'], $value, 'Field value was updated');
 
     // Update the instance and switch to the Hidden widget again.
-    $this->instance['widget']['type'] = 'field_hidden';
+    $this->instance['widget']['type'] = 'hidden';
     field_update_instance($this->instance);
 
     // Create a new revision.