diff --git a/redmine.subdomain.conf.sample b/redmine.subdomain.conf.sample
index a28fd2b..8918a41 100644
--- a/redmine.subdomain.conf.sample
+++ b/redmine.subdomain.conf.sample
@@ -23,9 +23,6 @@ server {
         proxy_pass $upstream_proto://$upstream_app:$upstream_port;
 
         proxy_set_header Host $http_host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
         client_max_body_size 10m;
     }
 }