diff --git a/apps/emqx_ft/src/emqx_ft_assembler.erl b/apps/emqx_ft/src/emqx_ft_assembler.erl
index 083b4afcc..8ba7e42d4 100644
--- a/apps/emqx_ft/src/emqx_ft_assembler.erl
+++ b/apps/emqx_ft/src/emqx_ft_assembler.erl
@@ -16,8 +16,6 @@
 
 -module(emqx_ft_assembler).
 
--include_lib("emqx/include/logger.hrl").
-
 -export([start_link/2]).
 
 -behaviour(gen_statem).
@@ -142,16 +140,3 @@ pread(Node, Segment, St) ->
 
 segsize(#{fragment := {segment, Info}}) ->
     maps:get(size, Info).
-
-safe_apply(Callback, Result) ->
-    try apply(Callback, [Result]) of
-        _ -> ok
-    catch
-        Class:Reason:Stacktrace ->
-            ?SLOG(error, #{
-                msg => "safe_apply_failed",
-                class => Class,
-                reason => Reason,
-                stacktrace => Stacktrace
-            })
-    end.
diff --git a/apps/emqx_ft/test/emqx_ft_responder_SUITE.erl b/apps/emqx_ft/test/emqx_ft_responder_SUITE.erl
index 1674d05e4..e447ba03b 100644
--- a/apps/emqx_ft/test/emqx_ft_responder_SUITE.erl
+++ b/apps/emqx_ft/test/emqx_ft_responder_SUITE.erl
@@ -20,7 +20,6 @@
 -compile(nowarn_export_all).
 
 -include_lib("stdlib/include/assert.hrl").
--include_lib("emqx/include/asserts.hrl").
 
 all() -> emqx_common_test_helpers:all(?MODULE).
 
@@ -75,19 +74,6 @@ t_timeout(_Config) ->
         emqx_ft_responder:ack(Key, oops)
     ).
 
-% t_action_exception(_Config) ->
-%     Key = <<"test">>,
-%     DefaultAction = fun(K) -> error({oops, K}) end,
-%     ?assertWaitEvent(
-%         emqx_ft_responder:start(Key, DefaultAction, 10),
-%         #{?snk_kind := ft_timeout_action_applied, key := <<"test">>},
-%         1000
-%     ),
-%     ?assertEqual(
-%         {error, not_found},
-%         emqx_ft_responder:ack(Key, oops)
-%     ).
-
 t_unknown_msgs(_Config) ->
     {ok, Pid} = emqx_ft_responder:start(make_ref(), fun(_) -> ok end, 100),
     Pid ! {unknown_msg, <<"test">>},