diff --git a/lib/Alchemy/Phrasea/Application/Helper/DelivererAware.php b/lib/Alchemy/Phrasea/Application/Helper/DelivererAware.php
index f5d3f68dce..797e9b41d3 100644
--- a/lib/Alchemy/Phrasea/Application/Helper/DelivererAware.php
+++ b/lib/Alchemy/Phrasea/Application/Helper/DelivererAware.php
@@ -10,6 +10,7 @@
 namespace Alchemy\Phrasea\Application\Helper;
 
 use Alchemy\Phrasea\Http\DeliverDataInterface;
+use Symfony\Component\HttpFoundation\Response;
 
 trait DelivererAware
 {   
@@ -57,11 +58,12 @@ trait DelivererAware
     /**
      * Returns a HTTP Response ready to deliver a binary file
      *
-     * @param string      $file
-     * @param string      $filename
-     * @param string      $disposition
+     * @param string $file
+     * @param string $filename
+     * @param string $disposition
      * @param string|null $mimeType
-     * @param integer     $cacheDuration
+     * @param integer $cacheDuration
+     * @return Response
      */
     public function deliverFile($file, $filename = null, $disposition = DeliverDataInterface::DISPOSITION_INLINE, $mimeType = null, $cacheDuration = null)
     {
@@ -71,11 +73,12 @@ trait DelivererAware
     /**
      * Return a HTTP Response ready to deliver data
      *
-     * @param string  $data
-     * @param string  $filename
-     * @param string  $mimeType
-     * @param string  $disposition
+     * @param string $data
+     * @param string $filename
+     * @param string $mimeType
+     * @param string $disposition
      * @param integer $cacheDuration
+     * @return Response
      */
     public function deliverData($data, $filename, $mimeType, $disposition = DeliverDataInterface::DISPOSITION_INLINE, $cacheDuration = null)
     {
diff --git a/lib/Alchemy/Phrasea/Http/DeliverDataInterface.php b/lib/Alchemy/Phrasea/Http/DeliverDataInterface.php
index af37b05a13..e8bee8e08c 100644
--- a/lib/Alchemy/Phrasea/Http/DeliverDataInterface.php
+++ b/lib/Alchemy/Phrasea/Http/DeliverDataInterface.php
@@ -11,6 +11,7 @@
 
 namespace Alchemy\Phrasea\Http;
 
+use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\ResponseHeaderBag;
 
 interface DeliverDataInterface
@@ -26,6 +27,7 @@ interface DeliverDataInterface
      * @param string      $disposition
      * @param string|null $mimeType
      * @param integer     $cacheDuration
+     * @return Response
      */
     public function deliverFile($file, $filename = null, $disposition = self::DISPOSITION_INLINE, $mimeType = null, $cacheDuration = null);
 
@@ -37,6 +39,7 @@ interface DeliverDataInterface
      * @param string  $mimeType
      * @param string  $disposition
      * @param integer $cacheDuration
+     * @return Response
      */
     public function deliverData($data, $filename, $mimeType, $disposition = self::DISPOSITION_INLINE, $cacheDuration = null);
 }
diff --git a/lib/Alchemy/Phrasea/Http/ServeFileResponseFactory.php b/lib/Alchemy/Phrasea/Http/ServeFileResponseFactory.php
index 51ab34c399..c84c4ceaf6 100644
--- a/lib/Alchemy/Phrasea/Http/ServeFileResponseFactory.php
+++ b/lib/Alchemy/Phrasea/Http/ServeFileResponseFactory.php
@@ -23,9 +23,6 @@ class ServeFileResponseFactory implements DeliverDataInterface
         $this->unicode = $unicode;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function deliverFile($file, $filename = '', $disposition = self::DISPOSITION_INLINE, $mimeType = null, $cacheDuration = null)
     {
         $response = new BinaryFileResponse($file);
@@ -41,9 +38,6 @@ class ServeFileResponseFactory implements DeliverDataInterface
         return $response;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function deliverData($data, $filename, $mimeType, $disposition = self::DISPOSITION_INLINE, $cacheDuration = null)
     {
         $response = new Response($data);