diff --git a/conf/sample.ini b/conf/sample.ini
index 2cccab06362..ce9344e1d4f 100644
--- a/conf/sample.ini
+++ b/conf/sample.ini
@@ -49,9 +49,6 @@
 # Log web requests
 ;router_logging = false
 
-# This enables query request audit logging, output at warn level, default is false
-;data_proxy_logging = false
-
 # the path relative working path
 ;static_root_path = public