diff --git a/src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php b/src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
index 6bd45caa7a..6c96afdff3 100644
--- a/src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
+++ b/src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
@@ -12,7 +12,6 @@
 namespace Symfony\Component\HttpKernel\Debug;
 
 use Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher as BaseTraceableEventDispatcher;
-use Symfony\Component\EventDispatcher\Event;
 use Symfony\Component\HttpKernel\KernelEvents;
 
 /**