diff --git a/src/Symfony/Bundle/SecurityBundle/Tests/Functional/SetAclCommandTest.php b/src/Symfony/Bundle/SecurityBundle/Tests/Functional/SetAclCommandTest.php
index 434b063a20..c790058fac 100644
--- a/src/Symfony/Bundle/SecurityBundle/Tests/Functional/SetAclCommandTest.php
+++ b/src/Symfony/Bundle/SecurityBundle/Tests/Functional/SetAclCommandTest.php
@@ -106,7 +106,7 @@ class SetAclCommandTest extends WebTestCase
         $setAclCommandTester = new CommandTester($setAclCommand);
         $setAclCommandTester->execute(array(
             'command' => 'acl:set',
-            'arguments' => array($grantedPermission, sprintf('%s:%s', strtr(self::OBJECT_CLASS, '\\', '/'), $objectId)),
+            'arguments' => array($grantedPermission, sprintf('%s:%s', str_replace('\\', '/', self::OBJECT_CLASS), $objectId)),
             '--role' => array($role),
         ));
 
diff --git a/src/Symfony/Component/HttpKernel/DataCollector/DumpDataCollector.php b/src/Symfony/Component/HttpKernel/DataCollector/DumpDataCollector.php
index 09abfb125b..efb0bb3e6e 100644
--- a/src/Symfony/Component/HttpKernel/DataCollector/DumpDataCollector.php
+++ b/src/Symfony/Component/HttpKernel/DataCollector/DumpDataCollector.php
@@ -120,7 +120,7 @@ class DumpDataCollector extends DataCollector implements DataDumperInterface
         }
 
         if (false === $name) {
-            $name = strtr($file, '\\', '/');
+            $name = str_replace('\\', '/', $file);
             $name = substr($name, strrpos($name, '/') + 1);
         }