diff --git a/core/modules/media_library/tests/src/Kernel/MediaLibraryWidgetTest.php b/core/modules/media_library/tests/src/Kernel/MediaLibraryWidgetTest.php
index 41df47c047..3f648333e3 100644
--- a/core/modules/media_library/tests/src/Kernel/MediaLibraryWidgetTest.php
+++ b/core/modules/media_library/tests/src/Kernel/MediaLibraryWidgetTest.php
@@ -44,7 +44,7 @@ class MediaLibraryWidgetTest extends KernelTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp(): void {
+  protected function setUp() {
     parent::setUp();
 
     $this->baseField = BaseFieldDefinition::create('entity_reference')