diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Compiler/UnusedTagsPassTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Compiler/UnusedTagsPassTest.php
index b8e4f2c05d..89a35285ba 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Compiler/UnusedTagsPassTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Compiler/UnusedTagsPassTest.php
@@ -41,7 +41,7 @@ class UnusedTagsPassTest extends TestCase
         $this->assertSame(UnusedTagsPassUtils::getDefinedTags(), $this->getKnownTags(), 'The src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/UnusedTagsPass.php file must be updated; run src/Symfony/Bundle/FrameworkBundle/Resources/bin/check-unused-known-tags.php.');
     }
 
-    private function getWhitelistTags(): array
+    private function getKnownTags(): array
     {
         // get tags in UnusedTagsPass
         $target = \dirname(__DIR__, 3).'/DependencyInjection/Compiler/UnusedTagsPass.php';