diff --git a/core/modules/config/src/Tests/ConfigFileContentTest.php b/core/modules/config/src/Tests/ConfigFileContentTest.php
index c1b2432..537fdd3 100644
--- a/core/modules/config/src/Tests/ConfigFileContentTest.php
+++ b/core/modules/config/src/Tests/ConfigFileContentTest.php
@@ -18,13 +18,6 @@
 class ConfigFileContentTest extends KernelTestBase {
 
   /**
-   * Modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = array('config_test');
-
-  /**
    * Exempt from strict schema checking.
    *
    * @see \Drupal\Core\Config\Testing\ConfigSchemaChecker