diff --git a/HELP.md b/HELP.md
index dca67586..2c833bf2 100644
--- a/HELP.md
+++ b/HELP.md
@@ -209,7 +209,6 @@ Here is description of options:
     "online"            : true,     /* load js files from cdn or local path     */
     "cache"             : true,     /* add cache-control                        */
     "showKeysPanel"     : true,     /* show classic panel with buttons of keys  */
-    "server"            : true,     /* server mode or testing mode              */
     "port"              : 8000,     /* http port                                */
     "ip"                : null,     /* ip or null(default)                      */
 }
diff --git a/json/config.json b/json/config.json
index 6559ea20..045a1cc6 100644
--- a/json/config.json
+++ b/json/config.json
@@ -13,7 +13,6 @@
     "online": true,
     "cache": true,
     "showKeysPanel": true,
-    "server": true,
     "port": 8000,
     "ip": null
 }