diff --git a/tests/static-analysis/bootstrap.php b/tests/static-analysis/bootstrap.php
index 4f1a7ca..920b32c 100644
--- a/tests/static-analysis/bootstrap.php
+++ b/tests/static-analysis/bootstrap.php
@@ -7,6 +7,3 @@
 define('AUTH_COOKIE', '');
 define('SECURE_AUTH_COOKIE', '');
 define('LOGGED_IN_COOKIE', '');
-
-// Upcoming in WordPress 6.4:
-function wp_admin_notice (string $message, array $args): void {}