diff --git a/etc/emqx.conf b/etc/emqx.conf
index 915ca597a..7b23e46a1 100644
--- a/etc/emqx.conf
+++ b/etc/emqx.conf
@@ -1705,16 +1705,6 @@ listener.wss.external.access.1 = allow all
 ## Value: on | off
 listener.wss.external.verify_protocol_header = on
 
-## See: listener.ws.external.proxy_address_header
-##
-## Value: String
-## listener.wss.external.proxy_address_header = X-Forwarded-For
-
-## See: listener.ws.external.proxy_port_header
-##
-## Value: String
-## listener.wss.external.proxy_port_header = X-Forwarded-Port
-
 ## Enable the Proxy Protocol V1/2 support.
 ##
 ## See: listener.tcp.$name.proxy_protocol