diff --git a/src/Symfony/Component/DomCrawler/Crawler.php b/src/Symfony/Component/DomCrawler/Crawler.php
index bbf84e33f3..9e28e51653 100644
--- a/src/Symfony/Component/DomCrawler/Crawler.php
+++ b/src/Symfony/Component/DomCrawler/Crawler.php
@@ -224,8 +224,7 @@ class Crawler extends \SplObjectStorage
         $dom->validateOnParse = true;
 
         if ('' !== trim($content)) {
-            // remove the default namespace to make XPath expressions simpler
-            @$dom->loadXML(str_replace('xmlns', 'ns', $content), LIBXML_NONET);
+            @$dom->loadXML($content, LIBXML_NONET);
         }
 
         libxml_use_internal_errors($internalErrors);
diff --git a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
index d5c8f7eac8..aad5b99918 100644
--- a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
+++ b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
@@ -890,7 +890,7 @@ class FilesystemTest extends FilesystemTestCase
 
         // skip mode check on Windows
         if (!defined('PHP_WINDOWS_VERSION_MAJOR')) {
-            $this->assertEquals(600, $this->getFilePermissions($filename));
+            $this->assertFilePermissions(600, $filename);
         }
     }