diff --git a/core/modules/entityreference/lib/Drupal/entityreference/Plugin/entityreference/selection/SelectionBase.php b/core/modules/entityreference/lib/Drupal/entityreference/Plugin/entityreference/selection/SelectionBase.php
index cb5f7fb..070d7a7 100644
--- a/core/modules/entityreference/lib/Drupal/entityreference/Plugin/entityreference/selection/SelectionBase.php
+++ b/core/modules/entityreference/lib/Drupal/entityreference/Plugin/entityreference/selection/SelectionBase.php
@@ -15,7 +15,6 @@
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\entityreference\Plugin\Type\Selection\SelectionBroken;
 use Drupal\entityreference\Plugin\Type\Selection\SelectionInterface;
-use Drupal\field\Plugin\PluginSettingsBase;
 
 /**
  * Plugin implementation of the 'selection' entityreference.
@@ -26,7 +25,7 @@
  *   label = @Translation("Simple selection")
  * )
  */
-class SelectionBase extends PluginSettingsBase implements SelectionInterface {
+class SelectionBase implements SelectionInterface {
 
   public function __construct($field, $instance = NULL, EntityInterface $entity = NULL) {
     $this->field = $field;