diff --git a/core/lib/Drupal/Core/Entity/ConfigValidatableTrait.php b/core/lib/Drupal/Core/Entity/ConfigValidatableTrait.php
index 79dffae..fc9db30 100644
--- a/core/lib/Drupal/Core/Entity/ConfigValidatableTrait.php
+++ b/core/lib/Drupal/Core/Entity/ConfigValidatableTrait.php
@@ -12,7 +12,7 @@
    *
    * @var bool
    */
-  protected $validationIsRequired = false;
+  protected $validationIsRequired = FALSE;
 
   /**
    * Implements validate for \Drupal\Core\Entity\ValidatableInterface.
diff --git a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
index 2ec51a7..789b3a1 100644
--- a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
+++ b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
@@ -6,7 +6,6 @@
 use Drupal\Component\Plugin\PluginManagerInterface;
 use Drupal\Core\Cache\CacheableResponseInterface;
 use Drupal\Core\Config\Entity\ConfigEntityInterface;
-use Drupal\Core\Config\Entity\ConfigEntityType;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Config\ConfigFactoryInterface;
diff --git a/core/modules/rest/src/Plugin/rest/resource/EntityResourceValidationTrait.php b/core/modules/rest/src/Plugin/rest/resource/EntityResourceValidationTrait.php
index 6d90478..d3ee622 100644
--- a/core/modules/rest/src/Plugin/rest/resource/EntityResourceValidationTrait.php
+++ b/core/modules/rest/src/Plugin/rest/resource/EntityResourceValidationTrait.php
@@ -5,7 +5,6 @@
 use Drupal\Component\Render\PlainTextOutput;
 use Drupal\Core\Entity\EntityConstraintViolationListInterface;
 use Drupal\Core\Entity\EntityInterface;
-use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Entity\ValidatableInterface;
 use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
 
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
index 3617548..d552e36 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
@@ -5,7 +5,6 @@
 use Drupal\Component\Utility\NestedArray;
 use Drupal\Core\Cache\Cache;
 use Drupal\Core\Cache\CacheableResponseInterface;
-use Drupal\Core\Config\Entity\ConfigEntityInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Entity\ValidatableInterface;
 use Drupal\Core\Url;
@@ -1053,7 +1052,6 @@ public function testPatch() {
     }
 
 
-
     $request_options[RequestOptions::BODY] = $parseable_invalid_request_body_2;