diff --git a/apps/emqx_management/src/emqx_mgmt.erl b/apps/emqx_management/src/emqx_mgmt.erl
index 3ab1b80ee..fb4ca47ed 100644
--- a/apps/emqx_management/src/emqx_mgmt.erl
+++ b/apps/emqx_management/src/emqx_mgmt.erl
@@ -22,8 +22,6 @@
 -include_lib("emqx/include/emqx.hrl").
 -include_lib("emqx/include/emqx_mqtt.hrl").
 
--import(proplists, [get_value/2]).
-
 %% Nodes and Brokers API
 -export([ list_nodes/0
         , lookup_node/1
@@ -135,11 +133,11 @@ node_info(Node) when Node =:= node() ->
     BrokerInfo = emqx_sys:info(),
     Info#{node              => node(),
           otp_release       => iolist_to_binary(otp_rel()),
-          memory_total      => get_value(allocated, Memory),
-          memory_used       => get_value(used, Memory),
+          memory_total      => proplists:get_value(allocated, Memory),
+          memory_used       => proplists:get_value(used, Memory),
           process_available => erlang:system_info(process_limit),
           process_used      => erlang:system_info(process_count),
-          max_fds           => get_value(max_fds, lists:usort(lists:flatten(erlang:system_info(check_io)))),
+          max_fds           => proplists:get_value(max_fds, lists:usort(lists:flatten(erlang:system_info(check_io)))),
           connections       => ets:info(emqx_channel, size),
           node_status       => 'Running',
           uptime            => iolist_to_binary(proplists:get_value(uptime, BrokerInfo)),
diff --git a/apps/emqx_management/src/emqx_mgmt_api_apps.erl b/apps/emqx_management/src/emqx_mgmt_api_apps.erl
index 7d5031698..e9a4e0997 100644
--- a/apps/emqx_management/src/emqx_mgmt_api_apps.erl
+++ b/apps/emqx_management/src/emqx_mgmt_api_apps.erl
@@ -18,8 +18,6 @@
 
 -include("emqx_mgmt.hrl").
 
--import(proplists, [get_value/2]).
-
 -rest_api(#{name   => add_app,
             method => 'POST',
             path   => "/apps/",
@@ -58,12 +56,12 @@
         ]).
 
 add_app(_Bindings, Params) ->
-    AppId = get_value(<<"app_id">>, Params),
-    Name = get_value(<<"name">>, Params),
-    Secret = get_value(<<"secret">>, Params),
-    Desc = get_value(<<"desc">>, Params),
-    Status = get_value(<<"status">>, Params),
-    Expired = get_value(<<"expired">>, Params),
+    AppId = proplists:get_value(<<"app_id">>, Params),
+    Name = proplists:get_value(<<"name">>, Params),
+    Secret = proplists:get_value(<<"secret">>, Params),
+    Desc = proplists:get_value(<<"desc">>, Params),
+    Status = proplists:get_value(<<"status">>, Params),
+    Expired = proplists:get_value(<<"expired">>, Params),
     case emqx_mgmt_auth:add_app(AppId, Name, Secret, Desc, Status, Expired) of
         {ok, AppSecret} -> minirest:return({ok, #{secret => AppSecret}});
         {error, Reason} -> minirest:return({error, Reason})
@@ -92,10 +90,10 @@ lookup_app(#{appid := AppId}, _Params) ->
     end.
 
 update_app(#{appid := AppId}, Params) ->
-    Name = get_value(<<"name">>, Params),
-    Desc = get_value(<<"desc">>, Params),
-    Status = get_value(<<"status">>, Params),
-    Expired = get_value(<<"expired">>, Params),
+    Name = proplists:get_value(<<"name">>, Params),
+    Desc = proplists:get_value(<<"desc">>, Params),
+    Status = proplists:get_value(<<"status">>, Params),
+    Expired = proplists:get_value(<<"expired">>, Params),
     case emqx_mgmt_auth:update_app(AppId, Name, Desc, Status, Expired) of
         ok -> minirest:return();
         {error, Reason} -> minirest:return({error, Reason})
diff --git a/apps/emqx_management/src/emqx_mgmt_api_banned.erl b/apps/emqx_management/src/emqx_mgmt_api_banned.erl
index 2d5c0da69..4d5856fd0 100644
--- a/apps/emqx_management/src/emqx_mgmt_api_banned.erl
+++ b/apps/emqx_management/src/emqx_mgmt_api_banned.erl
@@ -20,8 +20,6 @@
 
 -include("emqx_mgmt.hrl").
 
--import(proplists, [get_value/2]).
-
 -rest_api(#{name   => list_banned,
             method => 'GET',
             path   => "/banned/",
@@ -65,7 +63,7 @@ delete(#{as := As, who := Who}, _) ->
     case pipeline([fun ensure_required/1,
                    fun validate_params/1], Params) of
         {ok, NParams} ->
-            do_delete(get_value(<<"as">>, NParams), get_value(<<"who">>, NParams)),
+            do_delete(proplists:get_value(<<"as">>, NParams), proplists:get_value(<<"who">>, NParams)),
             minirest:return();
         {error, Code, Message} ->
             minirest:return({error, Code, Message})
@@ -95,7 +93,7 @@ ensure_required(Params) when is_list(Params) ->
 
 validate_params(Params) ->
     #{enum_values := AsEnums, message := Msg} = enum_values(as),
-    case lists:member(get_value(<<"as">>, Params), AsEnums) of
+    case lists:member(proplists:get_value(<<"as">>, Params), AsEnums) of
         true -> {ok, Params};
         false ->
             {error, ?ERROR8, Msg}
diff --git a/apps/emqx_management/src/emqx_mgmt_api_clients.erl b/apps/emqx_management/src/emqx_mgmt_api_clients.erl
index 8a2c55643..23a70f6eb 100644
--- a/apps/emqx_management/src/emqx_mgmt_api_clients.erl
+++ b/apps/emqx_management/src/emqx_mgmt_api_clients.erl
@@ -21,8 +21,6 @@
 -include_lib("emqx/include/emqx_mqtt.hrl").
 -include_lib("emqx/include/emqx.hrl").
 
--import(proplists, [get_value/2]).
-
 -define(CLIENT_QS_SCHEMA, {emqx_channel_info,
         [{<<"clientid">>, binary},
          {<<"username">>, binary},
@@ -187,8 +185,8 @@ list_acl_cache(#{clientid := ClientId}, _Params) ->
     end.
 
 set_ratelimit_policy(#{clientid := ClientId}, Params) ->
-    P = [{conn_bytes_in, get_value(<<"conn_bytes_in">>, Params)},
-         {conn_messages_in, get_value(<<"conn_messages_in">>, Params)}],
+    P = [{conn_bytes_in, proplists:get_value(<<"conn_bytes_in">>, Params)},
+         {conn_messages_in, proplists:get_value(<<"conn_messages_in">>, Params)}],
     case [{K, parse_ratelimit_str(V)} || {K, V} <- P, V =/= undefined] of
         [] -> minirest:return();
         Policy ->
@@ -207,7 +205,7 @@ clean_ratelimit(#{clientid := ClientId}, _Params) ->
     end.
 
 set_quota_policy(#{clientid := ClientId}, Params) ->
-    P = [{conn_messages_routing, get_value(<<"conn_messages_routing">>, Params)}],
+    P = [{conn_messages_routing, proplists:get_value(<<"conn_messages_routing">>, Params)}],
     case [{K, parse_ratelimit_str(V)} || {K, V} <- P, V =/= undefined] of
         [] -> minirest:return();
         Policy ->
diff --git a/apps/emqx_management/src/emqx_mgmt_api_pubsub.erl b/apps/emqx_management/src/emqx_mgmt_api_pubsub.erl
index e22bc78f0..693f71a3e 100644
--- a/apps/emqx_management/src/emqx_mgmt_api_pubsub.erl
+++ b/apps/emqx_management/src/emqx_mgmt_api_pubsub.erl
@@ -20,10 +20,6 @@
 -include_lib("emqx/include/emqx_mqtt.hrl").
 -include("emqx_mgmt.hrl").
 
--import(proplists, [ get_value/2
-                   , get_value/3
-                   ]).
-
 -rest_api(#{name   => mqtt_subscribe,
             method => 'POST',
             path   => "/mqtt/subscribe",
@@ -78,10 +74,10 @@ publish(_Bindings, Params) ->
     {ClientId, Topic, Qos, Retain, Payload} = parse_publish_params(Params),
     case do_publish(ClientId, Topic, Qos, Retain, Payload) of
         {ok, MsgIds} ->
-            case get_value(<<"return">>, Params, undefined) of
+            case proplists:get_value(<<"return">>, Params, undefined) of
                 undefined -> minirest:return(ok);
                 _Val ->
-                    case get_value(<<"topics">>, Params, undefined) of
+                    case proplists:get_value(<<"topics">>, Params, undefined) of
                         undefined -> minirest:return({ok, #{msgid => lists:last(MsgIds)}});
                         _ -> minirest:return({ok, #{msgids => MsgIds}})
                     end
@@ -118,7 +114,7 @@ loop_subscribe([Params | ParamsN], Acc) ->
         {_, Code0, _Reason} -> Code0
     end,
     Result = #{clientid => ClientId,
-               topic => resp_topic(get_value(<<"topic">>, Params), get_value(<<"topics">>, Params, <<"">>)),
+               topic => resp_topic(proplists:get_value(<<"topic">>, Params), proplists:get_value(<<"topics">>, Params, <<"">>)),
                code => Code},
     loop_subscribe(ParamsN, [Result | Acc]).
 
@@ -132,7 +128,7 @@ loop_publish([Params | ParamsN], Acc) ->
         {ok, _} -> 0;
         {_, Code0, _} -> Code0
     end,
-    Result = #{topic => resp_topic(get_value(<<"topic">>, Params), get_value(<<"topics">>, Params, <<"">>)),
+    Result = #{topic => resp_topic(proplists:get_value(<<"topic">>, Params), proplists:get_value(<<"topics">>, Params, <<"">>)),
                code => Code},
     loop_publish(ParamsN, [Result | Acc]).
 
@@ -147,7 +143,7 @@ loop_unsubscribe([Params | ParamsN], Acc) ->
         {_, Code0, _} -> Code0
     end,
     Result = #{clientid => ClientId,
-               topic => resp_topic(get_value(<<"topic">>, Params), get_value(<<"topics">>, Params, <<"">>)),
+               topic => resp_topic(proplists:get_value(<<"topic">>, Params), proplists:get_value(<<"topics">>, Params, <<"">>)),
                code => Code},
     loop_unsubscribe(ParamsN, [Result | Acc]).
 
@@ -182,24 +178,24 @@ do_unsubscribe(ClientId, Topic) ->
     end.
 
 parse_subscribe_params(Params) ->
-    ClientId = get_value(<<"clientid">>, Params),
-    Topics   = topics(filter, get_value(<<"topic">>, Params), get_value(<<"topics">>, Params, <<"">>)),
-    QoS      = get_value(<<"qos">>, Params, 0),
+    ClientId = proplists:get_value(<<"clientid">>, Params),
+    Topics   = topics(filter, proplists:get_value(<<"topic">>, Params), proplists:get_value(<<"topics">>, Params, <<"">>)),
+    QoS      = proplists:get_value(<<"qos">>, Params, 0),
     {ClientId, Topics, QoS}.
 
 parse_publish_params(Params) ->
-    Topics   = topics(name, get_value(<<"topic">>, Params), get_value(<<"topics">>, Params, <<"">>)),
-    ClientId = get_value(<<"clientid">>, Params),
-    Payload  = decode_payload(get_value(<<"payload">>, Params, <<>>),
-                              get_value(<<"encoding">>, Params, <<"plain">>)),
-    Qos      = get_value(<<"qos">>, Params, 0),
-    Retain   = get_value(<<"retain">>, Params, false),
+    Topics   = topics(name, proplists:get_value(<<"topic">>, Params), proplists:get_value(<<"topics">>, Params, <<"">>)),
+    ClientId = proplists:get_value(<<"clientid">>, Params),
+    Payload  = decode_payload(proplists:get_value(<<"payload">>, Params, <<>>),
+                              proplists:get_value(<<"encoding">>, Params, <<"plain">>)),
+    Qos      = proplists:get_value(<<"qos">>, Params, 0),
+    Retain   = proplists:get_value(<<"retain">>, Params, false),
     Payload1 = maybe_maps_to_binary(Payload),
     {ClientId, Topics, Qos, Retain, Payload1}.
 
 parse_unsubscribe_params(Params) ->
-    ClientId = get_value(<<"clientid">>, Params),
-    Topic    = get_value(<<"topic">>, Params),
+    ClientId = proplists:get_value(<<"clientid">>, Params),
+    Topic    = proplists:get_value(<<"topic">>, Params),
     {ClientId, Topic}.
 
 topics(Type, undefined, Topics0) ->
diff --git a/apps/emqx_management/src/emqx_mgmt_http.erl b/apps/emqx_management/src/emqx_mgmt_http.erl
index aee057d39..82b45b368 100644
--- a/apps/emqx_management/src/emqx_mgmt_http.erl
+++ b/apps/emqx_management/src/emqx_mgmt_http.erl
@@ -16,8 +16,6 @@
 
 -module(emqx_mgmt_http).
 
--import(proplists, [get_value/3]).
-
 -export([ start_listeners/0
         , handle_request/2
         , stop_listeners/0
@@ -58,8 +56,8 @@ start_listener({Proto, Port, Options}) when Proto == https ->
     minirest:start_https(listener_name(Proto), ranch_opts(Port, Options), Dispatch).
 
 ranch_opts(Port, Options0) ->
-    NumAcceptors = get_value(num_acceptors, Options0, 4),
-    MaxConnections = get_value(max_connections, Options0, 512),
+    NumAcceptors = proplists:get_value(num_acceptors, Options0, 4),
+    MaxConnections = proplists:get_value(max_connections, Options0, 512),
     Options = lists:foldl(fun({K, _V}, Acc) when K =:= max_connections orelse K =:= num_acceptors ->
                                  Acc;
                              ({inet6, true}, Acc) -> [inet6 | Acc];