diff --git a/src/transport/tcp/ssl_channel.erl b/src/transport/tcp/ssl_channel.erl
index 67e9eda..4c6d251 100644
--- a/src/transport/tcp/ssl_channel.erl
+++ b/src/transport/tcp/ssl_channel.erl
@@ -13,7 +13,7 @@
 -define(INFLIGHT_TIMEOUT, 60000).
 
 %% API
--export([pub/4, container_call/4, cancel_command_call/2, activate/4]).
+-export([pub/4, container_call/4, cancel_command_call/2]).
 
 -export([start_link/3, stop/2]).
 %% gen_server callbacks
@@ -41,12 +41,6 @@
 pub(Pid, Topic, Qos, Content) when is_pid(Pid), is_binary(Topic), is_integer(Qos), is_binary(Content) ->
     gen_server:cast(Pid, {pub, Topic, Qos, Content}).
 
--spec activate(Pid :: pid(), ReceiverPid :: pid(), Ref :: reference(), Auth :: boolean()) -> ok.
-activate(Pid, ReceiverPid, Ref, Auth) when is_pid(Pid), is_pid(ReceiverPid), is_reference(Ref), is_boolean(Auth) ->
-    Command = case Auth of true -> activate; false -> deactivate end,
-    gen_server:cast(Pid, {command_call, ReceiverPid, Ref, {auth, Command}}),
-    ok.
-
 -spec container_call(Pid :: pid(), ReceiverPid :: pid(), Ref :: reference(), Request :: map()) -> ok.
 container_call(Pid, ReceiverPid, Ref, Request) when is_pid(Pid), is_pid(ReceiverPid), is_reference(Ref), is_map(Request) ->
     gen_server:cast(Pid, {command_call, ReceiverPid, Ref,  {container, Request}}),
@@ -75,7 +69,6 @@ init(Ref, Transport, _Opts = []) ->
     {ok, Socket} = ranch:handshake(Ref),
     logger:debug("[ssl_channel] get a new connection: ~p", [Socket]),
     Transport:setopts(Socket, [binary, {active, true}, {packet, 4}]),
-    % erlang:start_timer(?PING_TICKER, self(), ping_ticker),
     gen_server:enter_loop(?MODULE, [], #state{transport = Transport, socket = Socket}).
 
 handle_call({cancel_command_call, Ref}, _From, State = #state{inflight = Inflight}) ->
@@ -187,11 +180,6 @@ handle_request_frame(Ref, {auth_request, #{uuid := UUID, token := Token, timesta
                             erlang:monitor(process, HostPid),
                             send_reply_frame(Transport, Socket, Ref, {auth_response, ok}),
                             {noreply, State#state{uuid = UUID, host_pid = HostPid}};
-                        {denied, Reason} when is_binary(Reason) ->
-                            erlang:monitor(process, HostPid),
-                            send_reply_frame(Transport, Socket, Ref, {auth_response, {error, {denied, Reason}}}),
-                            logger:debug("[ws_channel] uuid: ~p, attach channel get error: ~p, stop channel", [UUID, Reason]),
-                            {noreply, State#state{uuid = UUID, host_pid = HostPid}};
                         {error, Reason} when is_binary(Reason) ->
                             send_reply_frame(Transport, Socket, Ref, {auth_response, {error, {failed, Reason}}}),
                             logger:debug("[ws_channel] uuid: ~p, attach channel get error: ~p, stop channel", [UUID, Reason]),
@@ -257,10 +245,6 @@ decode_command_response({container, {ok, Result}}) ->
     {ok, Result};
 decode_command_response({container, {error, Reason}}) ->
     {error, Reason};
-decode_command_response({auth, ok}) ->
-    ok;
-decode_command_response({auth, {error, Reason}}) ->
-    {error, Reason};
 decode_command_response(_Reply) ->
     {error, invalid_response}.