diff --git a/core/modules/system/src/Tests/Theme/TwigFunctionTest.php b/core/modules/system/src/Tests/Theme/TwigFunctionTest.php
index cb336c4..0f76a5f 100644
--- a/core/modules/system/src/Tests/Theme/TwigFunctionTest.php
+++ b/core/modules/system/src/Tests/Theme/TwigFunctionTest.php
@@ -21,7 +21,7 @@ class TwigFunctionTest extends KernelTestBase {
    *
    * @var array
    */
-  public static $modules = ['system', 'twig_theme_test'];
+  public static $modules = ['system'];
 
   /**
    * Tests the Twig 'render' function.