diff --git a/app/config/config.yml b/app/config/config.yml
index 7ad4552b10..50db6b10dd 100644
--- a/app/config/config.yml
+++ b/app/config/config.yml
@@ -23,7 +23,6 @@ framework:
         engines: ['twig']
     default_locale: '%locale%'
     trusted_hosts: ~
-    trusted_proxies: ~
     session:
         # http://symfony.com/doc/current/reference/configuration/framework.html#handler-id
         handler_id:  session.handler.native_file