diff --git a/core/tests/Drupal/Tests/TestSuites/TestSuiteBaseTest.php b/core/tests/Drupal/Tests/TestSuites/TestSuiteBaseTest.php
index cac3954..4cd7dd7 100644
--- a/core/tests/Drupal/Tests/TestSuites/TestSuiteBaseTest.php
+++ b/core/tests/Drupal/Tests/TestSuites/TestSuiteBaseTest.php
@@ -5,10 +5,6 @@
 use Drupal\TestSuites\TestSuiteBase;
 use org\bovigo\vfs\vfsStream;
 
-// The test suite class is not part of the autoloader, we need to include it
-// manually.
-require_once __DIR__ . '/../../../TestSuites/TestSuiteBase.php';
-
 /**
  * @coversDefaultClass \Drupal\TestSuites\TestSuiteBase
  *