diff --git a/tests/php/lib/functions.php b/tests/php/lib/functions.php
index 52ecea0b7..eab2660cd 100644
--- a/tests/php/lib/functions.php
+++ b/tests/php/lib/functions.php
@@ -5,6 +5,8 @@
  * @package automattic/jetpack-autoloader
  */
 
+// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed
+
 /**
  * Since PHP8 added a warning for setting `$throw` to `false` in `spl_autoload_register()`,
  * we need to define the autoload functions in order for them to be registered.