diff --git a/tests/modules/js-and-css/audit-enqueued-assets/audit-enqueued-assets-helper-test.php b/tests/modules/js-and-css/audit-enqueued-assets/audit-enqueued-assets-helper-test.php
index d81f38d671..7d9f45635e 100644
--- a/tests/modules/js-and-css/audit-enqueued-assets/audit-enqueued-assets-helper-test.php
+++ b/tests/modules/js-and-css/audit-enqueued-assets/audit-enqueued-assets-helper-test.php
@@ -101,7 +101,7 @@ public function test_perflab_aea_get_path_from_resource_url_outside_wp_setup() {
 		$expected_path = WP_CONTENT_DIR . '/themes/test-theme/style.css';
 		add_filter(
 			'content_url',
-			static function ( $url ) {
+			static function () {
 				return site_url() . '/content';
 			}
 		);