diff --git a/core/lib/Drupal/Core/Field/WidgetBase.php b/core/lib/Drupal/Core/Field/WidgetBase.php
index 5f7ce3c143c37f733a9617670ad0392b3e6d30e2..dfb3c08afb6d4d16bbdd8ab954d9bdcba023baa5 100644
--- a/core/lib/Drupal/Core/Field/WidgetBase.php
+++ b/core/lib/Drupal/Core/Field/WidgetBase.php
@@ -311,8 +311,6 @@ public static function addMoreAjax(array $form, FormStateInterface $form_state)
    * Generates the form element for a single copy of the widget.
    */
   protected function formSingleElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
-    $entity = $items->getEntity();
-
     $element += array(
       '#field_parents' => $form['#parents'],
       // Only the first widget should be required.