diff --git a/apps/emqx/test/emqx_access_control_SUITE.erl b/apps/emqx/test/emqx_access_control_SUITE.erl
index 4bf1e05fd..f5fdf223b 100644
--- a/apps/emqx/test/emqx_access_control_SUITE.erl
+++ b/apps/emqx/test/emqx_access_control_SUITE.erl
@@ -116,7 +116,6 @@ clientinfo(InitProps) ->
             username => <<"username">>,
             password => <<"passwd">>,
             is_superuser => false,
-            peercert => undefined,
             mountpoint => undefined
         },
         InitProps
diff --git a/apps/emqx/test/emqx_channel_SUITE.erl b/apps/emqx/test/emqx_channel_SUITE.erl
index 2b7280b32..e822bf5e7 100644
--- a/apps/emqx/test/emqx_channel_SUITE.erl
+++ b/apps/emqx/test/emqx_channel_SUITE.erl
@@ -1211,7 +1211,6 @@ clientinfo(InitProps) ->
             clientid => <<"clientid">>,
             username => <<"username">>,
             is_superuser => false,
-            peercert => undefined,
             mountpoint => undefined
         },
         InitProps
diff --git a/apps/emqx/test/emqx_connection_SUITE.erl b/apps/emqx/test/emqx_connection_SUITE.erl
index 0692ec8f5..de3672bf3 100644
--- a/apps/emqx/test/emqx_connection_SUITE.erl
+++ b/apps/emqx/test/emqx_connection_SUITE.erl
@@ -676,7 +676,6 @@ channel(InitFields) ->
         clientid => <<"clientid">>,
         username => <<"username">>,
         is_superuser => false,
-        peercert => undefined,
         mountpoint => undefined
     },
     Conf = emqx_cm:get_session_confs(ClientInfo, #{
diff --git a/apps/emqx/test/emqx_ws_connection_SUITE.erl b/apps/emqx/test/emqx_ws_connection_SUITE.erl
index 60abe3d3c..bc91bc0ef 100644
--- a/apps/emqx/test/emqx_ws_connection_SUITE.erl
+++ b/apps/emqx/test/emqx_ws_connection_SUITE.erl
@@ -33,17 +33,6 @@
     ]
 ).
 
--define(STATS_KEYS, [
-    recv_oct,
-    recv_cnt,
-    send_oct,
-    send_cnt,
-    recv_pkt,
-    recv_msg,
-    send_pkt,
-    send_msg
-]).
-
 -define(ws_conn, emqx_ws_connection).
 
 all() -> emqx_common_test_helpers:all(?MODULE).
@@ -618,7 +607,6 @@ channel(InitFields) ->
         clientid => <<"clientid">>,
         username => <<"username">>,
         is_superuser => false,
-        peercert => undefined,
         mountpoint => undefined
     },
     Conf = emqx_cm:get_session_confs(ClientInfo, #{