diff --git a/ext/standard/tests/file/windows_acls/bug44859.phpt b/ext/standard/tests/file/windows_acls/bug44859.phpt
index 20e10f5c5b63c..679734b3792a9 100644
--- a/ext/standard/tests/file/windows_acls/bug44859.phpt
+++ b/ext/standard/tests/file/windows_acls/bug44859.phpt
@@ -7,6 +7,7 @@ skipif();
 ?>
 --FILE--
 <?php
+$uniqueBasePath = substr(__FILE__, 0, strrpos(__FILE__, '.'));
 include_once __DIR__ . '/common.inc';
 fix_acls();
 
@@ -19,7 +20,7 @@ $iteration = array(
 
 echo "Testing file:\n";
 $i = 1;
-$path = __DIR__ . '/a.txt';
+$path = $uniqueBasePath . '_file.txt';
 foreach ($iteration as $perms => $exp) {
 	create_file($path, $perms);
 	clearstatcache(true, $path);
@@ -34,7 +35,7 @@ foreach ($iteration as $perms => $exp) {
 }
 
 echo "Testing directory:\n";
-$path = __DIR__ . '/adir';
+$path = $uniqueBasePath . '_dir';
 $i = 1;
 foreach ($iteration as $perms => $exp) {
 	create_dir($path, $perms);
diff --git a/ext/standard/tests/file/windows_acls/bug44859_2.phpt b/ext/standard/tests/file/windows_acls/bug44859_2.phpt
index 583e63a2a6abe..b88d07f82007f 100644
--- a/ext/standard/tests/file/windows_acls/bug44859_2.phpt
+++ b/ext/standard/tests/file/windows_acls/bug44859_2.phpt
@@ -7,6 +7,7 @@ skipif();
 ?>
 --FILE--
 <?php
+$uniqueBasePath = substr(__FILE__, 0, strrpos(__FILE__, '.'));
 include_once __DIR__ . '/common.inc';
 fix_acls();
 
@@ -19,7 +20,7 @@ $iteration = array(
 
 echo "Testing file:\n";
 $i = 1;
-$path = __DIR__ . '/a.txt';
+$path = $uniqueBasePath . '_file.txt';
 foreach ($iteration as $perms => $exp) {
 	create_file($path, $perms);
 	clearstatcache(true, $path);
@@ -34,7 +35,7 @@ foreach ($iteration as $perms => $exp) {
 }
 
 echo "Testing directory:\n";
-$path = __DIR__ . '/adir';
+$path = $uniqueBasePath . '_dir';
 $i = 1;
 foreach ($iteration as $perms => $exp) {
 	create_dir($path, $perms);
diff --git a/ext/standard/tests/file/windows_acls/bug44859_4.phpt b/ext/standard/tests/file/windows_acls/bug44859_4.phpt
index 452581fa05481..e0fbe11f4b25e 100644
--- a/ext/standard/tests/file/windows_acls/bug44859_4.phpt
+++ b/ext/standard/tests/file/windows_acls/bug44859_4.phpt
@@ -9,6 +9,7 @@ skipif();
 ?>
 --FILE--
 <?php
+$uniqueBaseName = basename(substr(__FILE__, 0, strrpos(__FILE__, '.')));
 include_once __DIR__ . '/common.inc';
 fix_acls();
 
@@ -21,7 +22,7 @@ $iteration = array(
 
 echo "Testing file with relative path:\n";
 $i = 1;
-$path = './a.txt';
+$path = './' . $uniqueBaseName . '_file.txt';
 foreach ($iteration as $perms => $exp) {
 	create_file($path, $perms);
 	clearstatcache(true, $path);
@@ -36,7 +37,7 @@ foreach ($iteration as $perms => $exp) {
 }
 
 echo "Testing directory with relative path:\n";
-$path = 'adir';
+$path = $uniqueBaseName . '_dir';
 $i = 1;
 foreach ($iteration as $perms => $exp) {
 	create_dir($path, $perms);
diff --git a/ext/standard/tests/file/windows_acls/common.inc b/ext/standard/tests/file/windows_acls/common.inc
index b292745a6be13..5d4b402840fb6 100644
--- a/ext/standard/tests/file/windows_acls/common.inc
+++ b/ext/standard/tests/file/windows_acls/common.inc
@@ -168,32 +168,3 @@ function delete_dir($path) {
 		return;
 	}
 }
-if (0) {
-$path = __DIR__ . '/a.txt';
-create_file($path, PHPT_ACL_NONE);
-if (!is_writable($path)) {
-	echo "PHPT_ACL_NONE success!!\n";
-} else {
-	echo "PHPT_ACL_NONE failed!!\n";
-}
-delete_file($path);
-
-$path = __DIR__ . '/a.txt';
-create_file($path, PHPT_ACL_READ);
-if (!is_writable($path)) {
-	echo "PHPT_ACL_READ success!!\n";
-} else {
-	echo "PHPT_ACL_READ failed!!\n";
-}
-delete_file($path);
-
-$path = __DIR__ . '/adir';
-create_dir($path, PHPT_ACL_READ);
-if (!is_writable($path)) {
-	echo "PHPT_ACL_READ dir success!!\n";
-} else {
-	echo "PHPT_ACL_READ dir failed!!\n";
-}
-delete_dir($path);
-
-}