diff --git a/system/config/system.yaml b/system/config/system.yaml
index 534c9b09c..5a58bcba7 100644
--- a/system/config/system.yaml
+++ b/system/config/system.yaml
@@ -4,7 +4,7 @@ default_locale:                             # Default locale (defaults to system
 param_sep: ':'                              # Parameter separator, use ';' for Apache on windows
 wrapped_site: false                         # For themes/plugins to know if Grav is wrapped by another platform
 reverse_proxy_setup: false                  # Running in a reverse proxy scenario with different webserver ports than proxy
-proxy_url:                                  # Configure a manual proxy URL for GPM (eg 127.0.0.1:3128)
+
 
 languages:
   supported: []                             # List of languages supported. eg: [en, fr, de]