diff --git a/profiler/data_collector.rst b/profiler/data_collector.rst
index 6e53fd5203d..ef377c47974 100644
--- a/profiler/data_collector.rst
+++ b/profiler/data_collector.rst
@@ -31,7 +31,6 @@ request::
     use Symfony\Bundle\FrameworkBundle\DataCollector\AbstractDataCollector;
     use Symfony\Component\HttpFoundation\Request;
     use Symfony\Component\HttpFoundation\Response;
-    use Symfony\Component\HttpKernel\DataCollector\DataCollector;
 
     class RequestCollector extends AbstractDataCollector
     {