diff --git a/src/emqttd_opts.erl b/src/emqttd_opts.erl
index 894d88f18..b2250bad6 100644
--- a/src/emqttd_opts.erl
+++ b/src/emqttd_opts.erl
@@ -16,7 +16,7 @@
 
 -module(emqttd_opts).
 
--export([merge/2, g/2, g/3]).
+-export([merge/2]).
 
 %% @doc Merge Options
 merge(Defaults, Options) ->
@@ -33,10 +33,3 @@ merge(Defaults, Options) ->
                 end
         end, Defaults, Options).
 
-%% @doc Get option
-g(Key, Options) ->
-    proplists:get_value(Key, Options).
-
-g(Key, Options, Default) ->
-    proplists:get_value(Key, Options, Default).
-