diff --git a/core/modules/comment/tests/src/Kernel/CommentOrphanTest.php b/core/modules/comment/tests/src/Kernel/CommentOrphanTest.php
index e1ff3b5904..78b7ea6fe2 100644
--- a/core/modules/comment/tests/src/Kernel/CommentOrphanTest.php
+++ b/core/modules/comment/tests/src/Kernel/CommentOrphanTest.php
@@ -24,7 +24,7 @@ class CommentOrphanTest extends EntityKernelTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp(): void {
+  protected function setUp() {
     parent::setUp();
     $this->installEntitySchema('date_format');
     $this->installEntitySchema('comment');