diff --git a/core/modules/jsonapi/tests/src/Unit/EventSubscriber/ResourceResponseValidatorTest.php b/core/modules/jsonapi/tests/src/Unit/EventSubscriber/ResourceResponseValidatorTest.php
index 0e889198c2..90b5f5f8bb 100644
--- a/core/modules/jsonapi/tests/src/Unit/EventSubscriber/ResourceResponseValidatorTest.php
+++ b/core/modules/jsonapi/tests/src/Unit/EventSubscriber/ResourceResponseValidatorTest.php
@@ -5,12 +5,10 @@
 use Drupal\jsonapi\EventSubscriber\ResourceResponseValidator;
 use Drupal\jsonapi\ResourceType\ResourceType;
 use Drupal\jsonapi\Routing\Routes;
-use JsonSchema\Validator;
 use Drupal\Core\Extension\Extension;
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\rest\ResourceResponse;
 use Drupal\Tests\UnitTestCase;
-use Prophecy\Argument;
 use Psr\Log\LoggerInterface;
 use Drupal\Core\Routing\RouteObjectInterface;
 use Symfony\Component\HttpFoundation\Request;