diff --git a/etc/emq.conf b/etc/emq.conf
index dcf7d1d2d..694f0fc1e 100644
--- a/etc/emq.conf
+++ b/etc/emq.conf
@@ -169,37 +169,6 @@ mqtt.plugins.etc_dir = etc/plugins/
 ## File to store loaded plugin names.
 mqtt.plugins.loaded_file = data/loaded_plugins
 
-##-------------------------------------------------------------------
-## MQTT Modules
-##-------------------------------------------------------------------
-
-## Enable retainer module
-mqtt.module.retainer = on
-
-## disc: disc_copies, ram: ram_copies
-mqtt.module.retainer.storage_type = ram
-
-## Max number of retained messages
-mqtt.module.retainer.max_message_num = 100000
-
-## Max Payload Size of retained message
-mqtt.module.retainer.max_payload_size = 64KB
-
-## Expired after seconds, never expired if 0
-mqtt.module.retainer.expired_after = 0
-
-## Enable presence module
-## Publish presence messages when client connected or disconnected.
-mqtt.module.presence = on
-
-mqtt.module.presence.qos = 0
-
-## Enable subscription module
-## Subscribe topics automatically when client connected
-mqtt.module.subscription = on
-
-mqtt.module.subscription.topics = $client/%c=1,$user/%u=1
-
 ##--------------------------------------------------------------------
 ## MQTT Listeners
 ##--------------------------------------------------------------------
diff --git a/priv/emq.schema b/priv/emq.schema
index c33858565..a9d04575c 100644
--- a/priv/emq.schema
+++ b/priv/emq.schema
@@ -636,83 +636,6 @@ end}.
     lists:append([Listeners(tcp), Listeners(ssl), Listeners(http), Listeners(https)])
 end}.
 
-%%--------------------------------------------------------------------
-%% MQTT Modules
-%%--------------------------------------------------------------------
-
-{mapping, "mqtt.module.retainer", "emqttd.modules", [
-  {default, on},
-  {datatype, flag}
-]}.
-
-{mapping, "mqtt.module.retainer.storage_type", "emqttd.modules", [
-  {default, ram},
-  {datatype, {enum, [disc, ram]}}
-]}.
-
-{mapping, "mqtt.module.retainer.max_message_num", "emqttd.modules", [
-  {default, 100000},
-  {datatype, integer}
-]}.
-
-{mapping, "mqtt.module.retainer.max_payload_size", "emqttd.modules", [
-  {default, "64KB"},
-  {datatype, bytesize}
-]}.
-
-{mapping, "mqtt.module.retainer.expired_after", "emqttd.modules", [
-  {default, 0},
-  {datatype, integer}
-]}.
-
-{mapping, "mqtt.module.presence", "emqttd.modules", [
-  {default, on},
-  {datatype, flag}
-]}.
-
-{mapping, "mqtt.module.presence.qos", "emqttd.modules", [
-  {default, 0},
-  {datatype, integer},
-  {validators, ["range:0-2"]}
-]}.
-
-{mapping, "mqtt.module.subscription", "emqttd.modules", [
-  {default, off},
-  {datatype, flag}
-]}.
-
-{mapping, "mqtt.module.subscription.topics", "emqttd.modules", [
-  {default, undefined},
-  {datatype, string}
-]}.
-
-{translation, "emqttd.modules", fun(Conf) ->
-    WithMod = fun(Name, OptsF) ->
-                  Key = "mqtt.module." ++ atom_to_list(Name),
-                  case cuttlefish:conf_get(Key, Conf, false) of
-                      true  -> [{Name, OptsF(Key)}];
-                      false -> []
-                  end
-              end,
-    RetainOpts = fun(Prefix) ->
-                     [{storage_type, cuttlefish:conf_get(Prefix ++ ".storage_type", Conf, ram)},
-                      {max_message_num, cuttlefish:conf_get(Prefix ++ ".max_message_num", Conf, undefined)},
-                      {max_payload_size, cuttlefish:conf_get(Prefix ++ ".max_payload_size", Conf, undefined)},
-                      {expired_after, cuttlefish:conf_get(Prefix ++ ".expired_after", Conf, 0)}]
-                 end,
-    PresOpts = fun(Prefix) ->
-                   [{qos, cuttlefish:conf_get(Prefix ++ ".qos", Conf, 0)}]
-               end,
-    ParseFun = fun(undefined) -> [];
-                  (Topics)    -> [begin
-                                      [Topic, Qos] = string:tokens(S, "="),
-                                      {list_to_binary(Topic), list_to_integer(Qos)}
-                                  end || S <- string:tokens(Topics, ",")]
-               end,
-    SubOpts = fun(Prefix) -> ParseFun(cuttlefish:conf_get(Prefix ++ ".topics", Conf)) end,
-    lists:append([WithMod(retainer, RetainOpts), WithMod(presence, PresOpts), WithMod(subscription, SubOpts)])
-end}.
-
 %%--------------------------------------------------------------------
 %% System Monitor
 %%--------------------------------------------------------------------
diff --git a/rebar.config b/rebar.config
index f30238fd7..a95234dee 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,4 +1,4 @@
 {deps, [
-{gproc,".*",{git,"https://github.com/uwiger/gproc",""}},{lager,".*",{git,"https://github.com/basho/lager","master"}},{gen_logger,".*",{git,"https://github.com/emqtt/gen_logger",""}},{esockd,".*",{git,"https://github.com/emqtt/esockd","emq20"}},{mochiweb,".*",{git,"https://github.com/emqtt/mochiweb",""}},{getopt,".*",{git,"https://github.com/jcomellas/getopt","v0.8.2"}},{pbkdf2,".*",{git,"https://github.com/basho/erlang-pbkdf2","2.0.0"}},{clique,".*",{git,"https://github.com/basho/clique",""}},{time_compat,".*",{git,"https://github.com/lasp-lang/time_compat",""}},{rand_compat,".*",{git,"https://github.com/lasp-lang/rand_compat",""}}
+{gproc,".*",{git,"https://github.com/uwiger/gproc",""}},{lager,".*",{git,"https://github.com/basho/lager","master"}},{gen_logger,".*",{git,"https://github.com/emqtt/gen_logger",""}},{esockd,".*",{git,"https://github.com/emqtt/esockd","emq20"}},{mochiweb,".*",{git,"https://github.com/emqtt/mochiweb",""}}
 ]}.
 {erl_opts, [{parse_transform,lager_transform}]}.
diff --git a/src/emqttd_app.erl b/src/emqttd_app.erl
index 17a2d0df7..048a196cd 100644
--- a/src/emqttd_app.erl
+++ b/src/emqttd_app.erl
@@ -23,7 +23,7 @@
 %% Application callbacks
 -export([start/2, stop/1]).
 
--export([start_listener/1, stop_listener/1, is_mod_enabled/1]).
+-export([start_listener/1, stop_listener/1]).
 
 %% MQTT SockOpts
 -define(MQTT_SOCKOPTS, [binary, {packet, raw}, {reuseaddr, true},
@@ -47,7 +47,6 @@ start(_StartType, _StartArgs) ->
     start_servers(Sup),
     emqttd_cli:load(),
     register_acl_mod(),
-    load_all_mods(),
     emqttd_plugins:init(),
     emqttd_plugins:load(),
     start_listeners(),
@@ -151,26 +150,6 @@ register_acl_mod() ->
         undefined  -> ok
     end.
 
-%%--------------------------------------------------------------------
-%% Load Modules
-%%--------------------------------------------------------------------
-
-%% @doc Load all modules
-load_all_mods() ->
-    lists:foreach(fun load_mod/1, emqttd:env(modules, [])).
-
-load_mod({Name, Opts}) ->
-    Mod = list_to_atom("emqttd_mod_" ++ atom_to_list(Name)),
-    case catch Mod:load(Opts) of
-        ok               -> lager:info("Load module ~s successfully", [Name]);
-        {error, Error}   -> lager:error("Load module ~s error: ~p", [Name, Error]);
-        {'EXIT', Reason} -> lager:error("Load module ~s error: ~p", [Name, Reason])
-    end.
-
-%% @doc Is module enabled?
--spec(is_mod_enabled(Name :: atom()) -> boolean()).
-is_mod_enabled(Name) -> lists:keyfind(Name, 1, emqttd:env(modules, [])).
-
 %%--------------------------------------------------------------------
 %% Start Listeners
 %%--------------------------------------------------------------------
@@ -231,11 +210,4 @@ merge_sockopts_test_() ->
     Opts =  [{acceptors, 16}, {max_clients, 512}],
     ?_assert(merge_sockopts(Opts) == [{sockopts, ?MQTT_SOCKOPTS} | Opts]).
 
-load_all_mods_test_() ->
-    ?_assert(load_all_mods() == ok).
-
-is_mod_enabled_test_() ->
-    ?_assert(is_mod_enabled(presence) == {module, presence, [{qos, 0}]}),
-    ?_assert(is_mod_enabled(test) == false).
-
 -endif.