diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityBCDecoratorTest.php b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityBCDecoratorTest.php
index 919549e..fa24e83 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityBCDecoratorTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityBCDecoratorTest.php
@@ -7,11 +7,6 @@
 
 namespace Drupal\system\Tests\Entity;
 
-use Drupal\Core\Entity\EntityInterface;
-use Drupal\Core\Entity\Field\FieldInterface;
-use Drupal\Core\Entity\Field\FieldItemInterface;
-use Drupal\Core\TypedData\TypedDataInterface;
-
 /**
  * Tests Entity API base functionality.
  *
@@ -39,9 +34,6 @@ public function setUp() {
     $this->installSchema('user', array('users_roles', 'users_data'));
     $this->installSchema('node', array('node', 'node_revision', 'node_type', 'node_access'));
     $this->installSchema('comment', array('comment', 'node_comment_statistics'));
-
-    // Install required default configuration for filter module.
-    $this->installConfig(array('system', 'filter'));
   }
 
   /**
@@ -51,7 +43,6 @@ public function setUp() {
    */
   public function testBCDecorator() {
     // Test using comment subject via the BC decorator.
-    $this->enableModules(array('node', 'comment'));
     $this->createUser();
     $node = entity_create('node', array(
       'type' => 'page',