diff --git a/apps/emqx/test/emqx_common_test_helpers.erl b/apps/emqx/test/emqx_common_test_helpers.erl
index b3292ded3..ce998656a 100644
--- a/apps/emqx/test/emqx_common_test_helpers.erl
+++ b/apps/emqx/test/emqx_common_test_helpers.erl
@@ -181,11 +181,15 @@ start_app(App, Handler) ->
 app_conf_file(emqx_conf) -> "emqx.conf.all";
 app_conf_file(App) -> atom_to_list(App) ++ ".conf".
 
-%% TODO: get rid of cuttlefish
 app_schema(App) ->
     Mod = list_to_atom(atom_to_list(App) ++ "_schema"),
-    true = is_list(Mod:roots()),
-    Mod.
+    try
+        true = is_list(Mod:roots()),
+        Mod
+    catch
+        error:undef ->
+            no_schema
+    end.
 
 mustache_vars(App) ->
     [
@@ -221,6 +225,8 @@ render_config_file(ConfigFile, Vars0) ->
     ok = file:write_file(NewName, Targ),
     NewName.
 
+read_schema_configs(no_schema, _ConfigFile) ->
+    ok;
 read_schema_configs(Schema, ConfigFile) ->
     NewConfig = generate_config(Schema, ConfigFile),
     lists:foreach(
diff --git a/apps/emqx_management/src/emqx_management_schema.erl b/apps/emqx_management/src/emqx_management_schema.erl
deleted file mode 100644
index 90c05781d..000000000
--- a/apps/emqx_management/src/emqx_management_schema.erl
+++ /dev/null
@@ -1,32 +0,0 @@
-%%--------------------------------------------------------------------
-%% Copyright (c) 2020-2022 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_management_schema).
-
--include_lib("typerefl/include/types.hrl").
-
--behaviour(hocon_schema).
-
--export([
-    namespace/0,
-    roots/0,
-    fields/1
-]).
-
-namespace() -> management.
-
-roots() -> [].
-
-fields(_) -> [].