diff --git a/test/handlers/wt_echo_h.erl b/test/handlers/wt_echo_h.erl
index 134737a5..12f9872e 100644
--- a/test/handlers/wt_echo_h.erl
+++ b/test/handlers/wt_echo_h.erl
@@ -9,7 +9,15 @@
 -export([webtransport_info/2]).
 -export([terminate/3]).
 
+%% -define(DEBUG, 1).
+-ifdef(DEBUG).
+-define(LOG(Fmt, Args), ct:pal(Fmt, Args)).
+-else.
+-define(LOG(Fmt, Args), _ = Fmt, _ = Args, ok).
+-endif.
+
 init(Req0, _) ->
+	?LOG("WT init ~p~n", [Req0]),
 	Req = case cowboy_req:parse_header(<<"wt-available-protocols">>, Req0) of
 		undefined ->
 			Req0;
@@ -21,16 +29,16 @@ init(Req0, _) ->
 %% @todo WT handle {stream_open,4,bidi}
 
 webtransport_handle(Event = {stream_open, StreamID, bidi}, Streams) ->
-	ct:pal("WT handle ~p~n", [Event]),
+	?LOG("WT handle ~p~n", [Event]),
 	{[], Streams#{StreamID => bidi}};
 webtransport_handle(Event = {stream_open, StreamID, unidi}, Streams) ->
-	ct:pal("WT handle ~p~n", [Event]),
+	?LOG("WT handle ~p~n", [Event]),
 	OpenStreamRef = make_ref(),
 	{[{open_stream, OpenStreamRef, unidi, <<>>}], Streams#{
 		StreamID => {unidi_remote, OpenStreamRef},
 		OpenStreamRef => {unidi_local, StreamID}}};
 webtransport_handle(Event = {opened_stream_id, OpenStreamRef, OpenStreamID}, Streams) ->
-	ct:pal("WT handle ~p~n", [Event]),
+	?LOG("WT handle ~p~n", [Event]),
 	case Streams of
 		#{OpenStreamRef := bidi} ->
 			{[], maps:remove(OpenStreamRef, Streams#{
@@ -44,7 +52,7 @@ webtransport_handle(Event = {opened_stream_id, OpenStreamRef, OpenStreamID}, Str
 			})}
 	end;
 webtransport_handle(Event = {stream_data, StreamID, _IsFin, <<"TEST:", Test/bits>>}, Streams) ->
-	ct:pal("WT handle ~p~n", [Event]),
+	?LOG("WT handle ~p~n", [Event]),
 	case Test of
 		<<"open_bidi">> ->
 			OpenStreamRef = make_ref(),
@@ -63,7 +71,7 @@ webtransport_handle(Event = {stream_data, StreamID, _IsFin, <<"TEST:", Test/bits
 				Streams#{event_pid => binary_to_term(EventPidBin)}}
 	end;
 webtransport_handle(Event = {stream_data, StreamID, IsFin, Data}, Streams) ->
-	ct:pal("WT handle ~p~n", [Event]),
+	?LOG("WT handle ~p~n", [Event]),
 	case Streams of
 		#{StreamID := bidi} ->
 			{[{send, StreamID, IsFin, Data}], Streams};
@@ -75,23 +83,23 @@ webtransport_handle(Event = {stream_data, StreamID, IsFin, Data}, Streams) ->
 			{[{send, LocalStreamID, IsFin, Data}], Streams}
 	end;
 webtransport_handle(Event = {datagram, Data}, Streams) ->
-	ct:pal("WT handle ~p~n", [Event]),
+	?LOG("WT handle ~p~n", [Event]),
 	{[{send, datagram, Data}], Streams};
 webtransport_handle(Event = close_initiated, Streams) ->
-	ct:pal("WT handle ~p~n", [Event]),
+	?LOG("WT handle ~p~n", [Event]),
 	{[{send, datagram, <<"TEST:close_initiated">>}], Streams};
 webtransport_handle(Event, Streams) ->
-	ct:pal("WT handle ignore ~p~n", [Event]),
+	?LOG("WT handle ignore ~p~n", [Event]),
 	{[], Streams}.
 
 webtransport_info({try_again, Event}, Streams) ->
-	ct:pal("try_again ~p", [Event]),
+	?LOG("WT try_again ~p", [Event]),
 	webtransport_handle(Event, Streams).
 
 terminate(Reason, Req, State=#{event_pid := EventPid}) ->
-	ct:pal("terminate ~p ~p ~p", [Reason, Req, State]),
+	?LOG("WT terminate ~p ~p ~p", [Reason, Req, State]),
 	EventPid ! {'$wt_echo_h', terminate, Reason, Req, State},
 	ok;
 terminate(Reason, Req, State) ->
-	ct:pal("terminate ~p ~p ~p", [Reason, Req, State]),
+	?LOG("WT terminate ~p ~p ~p", [Reason, Req, State]),
 	ok.