diff --git a/composer.json b/composer.json
index 4c0f43cad14..49bc768b2b2 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,6 @@
     "sdboyer/gliph": "0.1.*",
     "symfony/class-loader": "2.6.*",
     "symfony/css-selector": "2.6.*",
-    "symfony/debug": "2.6.*",
     "symfony/dependency-injection": "2.6.*",
     "symfony/event-dispatcher": "2.6.*",
     "symfony/http-foundation": "2.6.*",
diff --git a/composer.lock b/composer.lock
index c5627d57fdc..7b8706bb9d2 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "fce47406c708047e654d8274620405e8",
+    "hash": "f42dce2268b1a6fcf8ffc8720c45f28f",
     "packages": [
         {
             "name": "doctrine/annotations",