diff --git a/Makefile b/Makefile
index 9a114399c..f9c8bd201 100644
--- a/Makefile
+++ b/Makefile
@@ -35,9 +35,10 @@ EUNIT_OPTS = verbose
 # CT_SUITES = emqx_frame
 ## emqx_trie emqx_router emqx_frame emqx_mqtt_compat
 
+
 CT_SUITES = emqx emqx_client emqx_zone emqx_banned emqx_connection emqx_session \
 			emqx_access emqx_broker emqx_cm emqx_frame emqx_guid emqx_inflight emqx_json \
-			emqx_keepalive emqx_lib emqx_metrics emqx_misc emqx_mod emqx_mqtt_caps \
+			emqx_keepalive emqx_lib emqx_metrics emqx_mod emqx_mqtt_caps \
 			emqx_mqtt_props emqx_mqueue emqx_net emqx_pqueue emqx_router emqx_sm \
 			emqx_tables emqx_time emqx_topic emqx_trie emqx_vm emqx_mountpoint \
 		 	emqx_listeners emqx_protocol emqx_pool emqx_shared_sub
diff --git a/test/emqx_misc_SUITE.erl b/test/emqx_misc_SUITE.erl
deleted file mode 100644
index 766691869..000000000
--- a/test/emqx_misc_SUITE.erl
+++ /dev/null
@@ -1,45 +0,0 @@
-%% Copyright (c) 2018 EMQ Technologies Co., Ltd. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%%     http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-
--module(emqx_misc_SUITE).
-
--include_lib("eunit/include/eunit.hrl").
-
--compile(export_all).
--compile(nowarn_export_all).
-
--define(SOCKOPTS, [binary,
-                   {packet,    raw},
-                   {reuseaddr, true},
-                   {backlog,   512},
-                   {nodelay,   true}]).
-
-all() -> [t_merge_opts].
-
-t_merge_opts(_) ->
-    Opts = emqx_misc:merge_opts(?SOCKOPTS, [raw,
-                                            binary,
-                                            {backlog, 1024},
-                                            {nodelay, false},
-                                            {max_clients, 1024},
-                                            {acceptors, 16}]),
-    ?assertEqual(1024, proplists:get_value(backlog, Opts)),
-    ?assertEqual(1024, proplists:get_value(max_clients, Opts)),
-    [binary, raw,
-     {acceptors, 16},
-     {backlog, 1024},
-     {max_clients, 1024},
-     {nodelay, false},
-     {packet, raw},
-     {reuseaddr, true}] = lists:sort(Opts).
diff --git a/test/emqx_misc_tests.erl b/test/emqx_misc_tests.erl
index 50513ee86..92b0973e8 100644
--- a/test/emqx_misc_tests.erl
+++ b/test/emqx_misc_tests.erl
@@ -15,6 +15,30 @@
 -module(emqx_misc_tests).
 -include_lib("eunit/include/eunit.hrl").
 
+-define(SOCKOPTS, [binary,
+                   {packet,    raw},
+                   {reuseaddr, true},
+                   {backlog,   512},
+                   {nodelay,   true}]).
+
+
+t_merge_opts_test() ->
+    Opts = emqx_misc:merge_opts(?SOCKOPTS, [raw,
+                                            binary,
+                                            {backlog, 1024},
+                                            {nodelay, false},
+                                            {max_clients, 1024},
+                                            {acceptors, 16}]),
+    ?assertEqual(1024, proplists:get_value(backlog, Opts)),
+    ?assertEqual(1024, proplists:get_value(max_clients, Opts)),
+    [binary, raw,
+     {acceptors, 16},
+     {backlog, 1024},
+     {max_clients, 1024},
+     {nodelay, false},
+     {packet, raw},
+     {reuseaddr, true}] = lists:sort(Opts).
+
 timer_cancel_flush_test() ->
     Timer = emqx_misc:start_timer(0, foo),
     ok = emqx_misc:cancel_timer(Timer),
@@ -39,4 +63,3 @@ message_queue_too_long_test() ->
 
 conn_proc_mng_policy(L) ->
     emqx_misc:conn_proc_mng_policy(#{message_queue_len => L}).
-