diff --git a/json/kdb.json b/json/kdb.json
index 6774087..26bf889 100644
--- a/json/kdb.json
+++ b/json/kdb.json
@@ -36,7 +36,6 @@
 					"need_others":true
 				},
                 "options":{
-					"mapping":
                     "url":"{{entire_url('/filemgr/upload_file.ui')}}"
                 }
             }