diff --git a/ext/standard/tests/file/file_get_contents_basic.phpt b/ext/standard/tests/file/file_get_contents_basic.phpt
index 96f74c76119..cf5e4ba6165 100644
--- a/ext/standard/tests/file/file_get_contents_basic.phpt
+++ b/ext/standard/tests/file/file_get_contents_basic.phpt
@@ -29,6 +29,7 @@ echo "\n*** Done ***";
 $file_path = __DIR__;
 include($file_path."/file.inc");
 delete_files($file_path, 1);
+@unlink($file_path."/file_get_contents_basic1.tmp");
 ?>
 --EXPECT--
 *** Testing the basic functionality of the file_get_contents() function ***
diff --git a/ext/standard/tests/general_functions/proc_open-mb0.phpt b/ext/standard/tests/general_functions/proc_open-mb0.phpt
index 545f087574e..90ad5533f82 100644
--- a/ext/standard/tests/general_functions/proc_open-mb0.phpt
+++ b/ext/standard/tests/general_functions/proc_open-mb0.phpt
@@ -38,6 +38,10 @@ proc_close($p);
 
 echo $out;
 
+?>
+--CLEAN--
+<?php
+@unlink(__DIR__ . DIRECTORY_SEPARATOR . "proc_only_mb0.php");
 ?>
 --EXPECTF--
 array(4) {
diff --git a/ext/standard/tests/general_functions/proc_open-mb1.phpt b/ext/standard/tests/general_functions/proc_open-mb1.phpt
index 057979e604c..bb220a02480 100644
--- a/ext/standard/tests/general_functions/proc_open-mb1.phpt
+++ b/ext/standard/tests/general_functions/proc_open-mb1.phpt
@@ -35,6 +35,10 @@ proc_close($p);
 
 echo $out;
 
+?>
+--CLEAN--
+<?php
+@unlink(__DIR__ . DIRECTORY_SEPARATOR . "proc_only_mb1.php");
 ?>
 --EXPECTF--
 array(4) {