diff --git a/ext/opcache/tests/bug66338.phpt b/ext/opcache/tests/bug66338.phpt
index 61065a8e3fa8..16bed0da0fb6 100644
--- a/ext/opcache/tests/bug66338.phpt
+++ b/ext/opcache/tests/bug66338.phpt
@@ -34,10 +34,12 @@ php_cli_server_start("-d opcache.enable=1 -d opcache.enable_cli=1 -d opcache.opt
 
 echo file_get_contents("http://" . PHP_CLI_SERVER_ADDRESS . "/$base-clientUS.php" );
 echo file_get_contents("http://" . PHP_CLI_SERVER_ADDRESS . "/$base-clientUK.php" );
-
-unlink("$root-Officials.inc");
-unlink("$root-clientUS.php");
-unlink("$root-clientUK.php");
+?>
+--CLEAN--
+<?php
+unlink(__DIR__ . "/bug66338-Officials.inc");
+unlink(__DIR__ . "/bug66338-clientUS.php");
+unlink(__DIR__ . "/bug66338-clientUK.php");
 ?>
 --EXPECT--
 The President of the USA is Barack Hussein Obama II