diff --git a/src/Symfony/Bundle/FrameworkBundle/CacheWarmer/TemplateFinder.php b/src/Symfony/Bundle/FrameworkBundle/CacheWarmer/TemplateFinder.php
index 1e229849824ac..afda1191777b8 100644
--- a/src/Symfony/Bundle/FrameworkBundle/CacheWarmer/TemplateFinder.php
+++ b/src/Symfony/Bundle/FrameworkBundle/CacheWarmer/TemplateFinder.php
@@ -14,6 +14,7 @@
 use Symfony\Component\HttpKernel\KernelInterface;
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\Templating\TemplateNameParserInterface;
+use Symfony\Component\Templating\TemplateReferenceInterface;
 use Symfony\Component\HttpKernel\Bundle\BundleInterface;
 
 /**
diff --git a/src/Symfony/Component/HttpKernel/EventListener/SessionListener.php b/src/Symfony/Component/HttpKernel/EventListener/SessionListener.php
index ecf065f0e8752..2d6adfa0122d2 100644
--- a/src/Symfony/Component/HttpKernel/EventListener/SessionListener.php
+++ b/src/Symfony/Component/HttpKernel/EventListener/SessionListener.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\HttpKernel\EventListener;
 
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
 use Symfony\Component\HttpKernel\KernelEvents;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
diff --git a/src/Symfony/Component/Templating/PhpEngine.php b/src/Symfony/Component/Templating/PhpEngine.php
index d39f8631783c9..90b9abc05f099 100644
--- a/src/Symfony/Component/Templating/PhpEngine.php
+++ b/src/Symfony/Component/Templating/PhpEngine.php
@@ -455,7 +455,7 @@ function ($value) use ($that) {
                         $value = iconv($that->getCharset(), 'UTF-8', $value);
                     }
 
-                    $callback = function ($matches) use ($that) {
+                    $callback = function ($matches) {
                         $char = $matches[0];
 
                         // \xHH