diff --git a/core/lib/Drupal/Core/Test/TestRunnerKernel.php b/core/lib/Drupal/Core/Test/TestRunnerKernel.php
index 4ffef9ed9c..963a6c4e4d 100644
--- a/core/lib/Drupal/Core/Test/TestRunnerKernel.php
+++ b/core/lib/Drupal/Core/Test/TestRunnerKernel.php
@@ -5,7 +5,6 @@
 use Drupal\Core\DrupalKernel;
 use Drupal\Core\Extension\Extension;
 use Drupal\Core\Site\Settings;
-use Drupal\Core\Test\TestDiscovery;
 use Symfony\Component\HttpFoundation\Request;
 
 /**
diff --git a/core/tests/Drupal/Tests/Core/Test/TestDiscoveryTest.php b/core/tests/Drupal/Tests/Core/Test/TestDiscoveryTest.php
index e89ce4c7e4..a5c8c7eb37 100644
--- a/core/tests/Drupal/Tests/Core/Test/TestDiscoveryTest.php
+++ b/core/tests/Drupal/Tests/Core/Test/TestDiscoveryTest.php
@@ -37,7 +37,7 @@ public function infoParserProvider() {
         'group' => 'Test',
         'groups' => [
           'Test',
-          'simpletest'
+          'simpletest',
          ],
         'description' => 'Tests \Drupal\Core\Test\TestDiscovery.',
         'type' => 'PHPUnit-Unit',