diff --git a/src/Symfony/Component/Routing/Loader/XmlFileLoader.php b/src/Symfony/Component/Routing/Loader/XmlFileLoader.php
index 81d1f704d8..9c196a8d07 100644
--- a/src/Symfony/Component/Routing/Loader/XmlFileLoader.php
+++ b/src/Symfony/Component/Routing/Loader/XmlFileLoader.php
@@ -73,10 +73,10 @@ class XmlFileLoader extends FileLoader
                 $this->parseRoute($collection, $node, $path);
                 break;
             case 'import':
-                $resource = (string) $node->getAttribute('resource');
-                $type = (string) $node->getAttribute('type');
-                $prefix = (string) $node->getAttribute('prefix');
-                $hostnamePattern =  (string) $node->getAttribute('hostname-pattern');
+                $resource = $node->getAttribute('resource');
+                $type = $node->getAttribute('type');
+                $prefix = $node->getAttribute('prefix');
+                $hostnamePattern = $node->getAttribute('hostname-pattern');
 
                 $defaults = array();
                 $requirements = array();
@@ -89,13 +89,13 @@ class XmlFileLoader extends FileLoader
 
                     switch ($n->tagName) {
                         case 'default':
-                            $defaults[(string) $n->getAttribute('key')] = trim((string) $n->nodeValue);
+                            $defaults[$n->getAttribute('key')] = trim($n->nodeValue);
                             break;
                         case 'requirement':
-                            $requirements[(string) $n->getAttribute('key')] = trim((string) $n->nodeValue);
+                            $requirements[$n->getAttribute('key')] = trim($n->nodeValue);
                             break;
                         case 'option':
-                            $options[(string) $n->getAttribute('key')] = trim((string) $n->nodeValue);
+                            $options[$n->getAttribute('key')] = trim($n->nodeValue);
                             break;
                         default:
                             throw new \InvalidArgumentException(sprintf('Unable to parse tag "%s"', $n->tagName));
@@ -142,22 +142,22 @@ class XmlFileLoader extends FileLoader
 
             switch ($node->tagName) {
                 case 'default':
-                    $defaults[(string) $node->getAttribute('key')] = trim((string) $node->nodeValue);
+                    $defaults[$node->getAttribute('key')] = trim((string) $node->nodeValue);
                     break;
                 case 'option':
-                    $options[(string) $node->getAttribute('key')] = trim((string) $node->nodeValue);
+                    $options[$node->getAttribute('key')] = trim((string) $node->nodeValue);
                     break;
                 case 'requirement':
-                    $requirements[(string) $node->getAttribute('key')] = trim((string) $node->nodeValue);
+                    $requirements[$node->getAttribute('key')] = trim((string) $node->nodeValue);
                     break;
                 default:
                     throw new \InvalidArgumentException(sprintf('Unable to parse tag "%s"', $node->tagName));
             }
         }
 
-        $route = new Route((string) $definition->getAttribute('pattern'), $defaults, $requirements, $options, (string) $definition->getAttribute('hostname-pattern'));
+        $route = new Route($definition->getAttribute('pattern'), $defaults, $requirements, $options, $definition->getAttribute('hostname-pattern'));
 
-        $collection->add((string) $definition->getAttribute('id'), $route);
+        $collection->add($definition->getAttribute('id'), $route);
     }
 
     /**