diff --git a/src/Symfony/Bundle/SecurityBundle/DataCollector/SecurityDataCollector.php b/src/Symfony/Bundle/SecurityBundle/DataCollector/SecurityDataCollector.php
index ba2acdc5cf..a795177962 100644
--- a/src/Symfony/Bundle/SecurityBundle/DataCollector/SecurityDataCollector.php
+++ b/src/Symfony/Bundle/SecurityBundle/DataCollector/SecurityDataCollector.php
@@ -14,6 +14,7 @@ namespace Symfony\Bundle\SecurityBundle\DataCollector;
 use Symfony\Component\Security\Core\SecurityContext;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\DataCollector\DataCollector;
 
 /**
  * SecurityDataCollector.
diff --git a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
index 0c7bce8fa1..039f171e12 100644
--- a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
+++ b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
@@ -60,6 +60,7 @@ class SecurityExtension extends Extension
             $loader->load('security.xml');
             $loader->load('templating_php.xml');
             $loader->load('templating_twig.xml');
+            $loader->load('collectors.xml');
         }
 
         if (isset($config['access-denied-url'])) {
diff --git a/src/Symfony/Bundle/SecurityBundle/Resources/config/collectors.xml b/src/Symfony/Bundle/SecurityBundle/Resources/config/collectors.xml
index 1ff923a8a7..5e270519ff 100644
--- a/src/Symfony/Bundle/SecurityBundle/Resources/config/collectors.xml
+++ b/src/Symfony/Bundle/SecurityBundle/Resources/config/collectors.xml
@@ -10,7 +10,7 @@
 
     <services>
         <service id="data_collector.security" class="%data_collector.security.class%" public="false">
-            <tag name="data_collector" template="SecurityBundle:Collector:security" id="security" priority="255" />
+            <tag name="data_collector" template="SecurityBundle:Collector:security" id="security" />
             <argument type="service" id="security.context" on-invalid="ignore" />
         </service>
     </services>