diff --git a/apps/emqx_management/test/emqx_mgmt_api_ds_SUITE.erl b/apps/emqx_management/test/emqx_mgmt_api_ds_SUITE.erl
index dc28864be..881ce8e3f 100644
--- a/apps/emqx_management/test/emqx_mgmt_api_ds_SUITE.erl
+++ b/apps/emqx_management/test/emqx_mgmt_api_ds_SUITE.erl
@@ -23,22 +23,8 @@
 
 -import(emqx_mgmt_api_test_util, [api_path/1, request_api/2, request_api_with_body/3]).
 
--define(ON(NODE, BODY), erpc:call(NODE, fun() -> BODY end)).
-
 all() ->
-    AllTCs = emqx_common_test_helpers:all(?MODULE),
-    [
-        {group, cluster},
-        AllTCs -- cluster_tests()
-    ].
-
-groups() ->
-    [{cluster, [], cluster_tests()}].
-
-cluster_tests() ->
-    [
-        t_get_db_node_down
-    ].
+    emqx_common_test_helpers:all(?MODULE).
 
 init_per_suite(Config) ->
     Apps = emqx_cth_suite:start(
@@ -55,38 +41,6 @@ init_per_suite(Config) ->
 end_per_suite(Config) ->
     ok = emqx_cth_suite:stop(?config(suite_apps, Config)).
 
-init_per_group(cluster = Group, Config) ->
-    AppSpecs = [
-        {emqx, "durable_sessions.enable = true\n"},
-        emqx_management
-    ],
-    Dashboard = emqx_mgmt_api_test_util:emqx_dashboard(
-        %% Using different port so it doesn't clash with the master node's port.
-        "dashboard.listeners.http { enable = true, bind = 18084 }"
-    ),
-    Cluster = [
-        {mgmt_api_ds_SUITE1, #{role => core, apps => AppSpecs ++ [Dashboard]}},
-        {mgmt_api_ds_SUITE2, #{role => core, apps => AppSpecs}}
-    ],
-    ClusterOpts = #{work_dir => emqx_cth_suite:work_dir(Group, Config)},
-    NodeSpecs = emqx_cth_cluster:mk_nodespecs(Cluster, ClusterOpts),
-    Nodes = emqx_cth_cluster:start(Cluster, ClusterOpts),
-    [
-        {nodes, Nodes},
-        {node_specs, NodeSpecs},
-        {cluster_opts, ClusterOpts}
-        | Config
-    ];
-init_per_group(_Group, Config) ->
-    Config.
-
-end_per_group(cluster, Config) ->
-    Nodes = ?config(nodes, Config),
-    emqx_cth_cluster:stop(Nodes),
-    ok;
-end_per_group(_Group, _Config) ->
-    ok.
-
 init_per_testcase(_, Config) ->
     Config.
 
@@ -170,62 +124,6 @@ t_get_db(_) ->
         emqx_utils_json:decode(Response)
     ).
 
-%% Smoke test that checks the status of down replica nodes.
-t_get_db_node_down(Config) ->
-    [_N1, N2] = ?config(nodes, Config),
-    [_N1Spec, N2Spec] = ?config(node_specs, Config),
-    Path = api_path_cluster(["ds", "storages", "messages"], Config),
-    Params = "",
-
-    {Status1, Res1} = simple_request(get, Path, Params),
-    ?assertEqual(200, Status1),
-    #{<<"shards">> := Shards1} = Res1,
-    Replicas1 = [Replica || #{<<"replicas">> := Replicas} <- Shards1, Replica <- Replicas],
-    ?assert(
-        lists:all(fun(#{<<"status">> := Status}) -> Status =:= <<"up">> end, Replicas1),
-        #{replicas => Replicas1}
-    ),
-
-    %% Now make one of the nodes down.
-    StoppedSite = ?ON(N2, emqx_ds_replication_layer_meta:this_site()),
-    ok = emqx_cth_cluster:stop_node(N2),
-    ct:sleep(1_000),
-
-    {Status2, Res2} = simple_request(get, Path, Params),
-    ?assertEqual(200, Status2),
-    #{<<"shards">> := Shards2} = Res2,
-    Replicas2 = [Replica || #{<<"replicas">> := Replicas} <- Shards2, Replica <- Replicas],
-    ?assert(
-        lists:all(
-            fun(#{<<"site">> := Site, <<"status">> := Status}) ->
-                case Site =:= StoppedSite of
-                    true -> Status =:= <<"down">>;
-                    false -> Status =:= <<"up">>
-                end
-            end,
-            Replicas2
-        ),
-        #{
-            replicas => Replicas2,
-            stopped_site => StoppedSite
-        }
-    ),
-
-    %% Back online
-    emqx_cth_cluster:restart(N2Spec),
-    ct:sleep(1_000),
-
-    {Status3, Res3} = simple_request(get, Path, Params),
-    ?assertEqual(200, Status3),
-    #{<<"shards">> := Shards3} = Res3,
-    Replicas3 = [Replica || #{<<"replicas">> := Replicas} <- Shards3, Replica <- Replicas],
-    ?assert(
-        lists:all(fun(#{<<"status">> := Status}) -> Status =:= <<"up">> end, Replicas3),
-        #{replicas => Replicas3}
-    ),
-
-    ok.
-
 t_get_replicas(_) ->
     %% Unknown DBs must result in error 400 (since the DS parameter is an enum):
     Path400 = api_path(["ds", "storages", "unknown_ds", "replicas"]),
@@ -288,12 +186,3 @@ parse_error({ok, Code, JSON}) ->
     {ok, Code, emqx_utils_json:decode(JSON)};
 parse_error(Err) ->
     Err.
-
-simple_request(Method, Path, Params) ->
-    emqx_mgmt_api_test_util:simple_request(Method, Path, Params).
-
-api_path_cluster(Parts, Config) ->
-    [Node1 | _] = ?config(nodes, Config),
-    Port = erpc:call(Node1, emqx_config, get, [[dashboard, listeners, http, bind]]),
-    Host = "http://127.0.0.1:" ++ integer_to_list(Port),
-    emqx_mgmt_api_test_util:api_path(Host, Parts).
diff --git a/apps/emqx_management/test/emqx_mgmt_api_test_util.erl b/apps/emqx_management/test/emqx_mgmt_api_test_util.erl
index c9b763008..49f356316 100644
--- a/apps/emqx_management/test/emqx_mgmt_api_test_util.erl
+++ b/apps/emqx_management/test/emqx_mgmt_api_test_util.erl
@@ -285,37 +285,3 @@ format_multipart_formdata(Data, Params, Name, FileNames, MimeType, Boundary) ->
         FileNames
     ),
     erlang:iolist_to_binary([WithPaths, StartBoundary, <<"--">>, LineSeparator]).
-
-simple_request(Method, Path, Params) ->
-    simple_request(Method, Path, Params, _Opts = #{}).
-
-simple_request(Method, Path, Params, _Opts) ->
-    AuthHeader = emqx_mgmt_api_test_util:auth_header_(),
-    Opts = #{return_all => true},
-    case
-        emqx_mgmt_api_test_util:request_api(
-            Method, Path, _QueryParams = "", AuthHeader, Params, Opts
-        )
-    of
-        {ok, {{_, Status, _}, _Headers, Body0}} ->
-            Body = maybe_json_decode(Body0),
-            {Status, Body};
-        {error, {{_, Status, _}, _Headers, Body0}} ->
-            Body =
-                case emqx_utils_json:safe_decode(Body0, [return_maps]) of
-                    {ok, Decoded0 = #{<<"message">> := Msg0}} ->
-                        Msg = maybe_json_decode(Msg0),
-                        Decoded0#{<<"message">> := Msg};
-                    {ok, Decoded0} ->
-                        Decoded0;
-                    {error, _} ->
-                        Body0
-                end,
-            {Status, Body}
-    end.
-
-maybe_json_decode(X) ->
-    case emqx_utils_json:safe_decode(X, [return_maps]) of
-        {ok, Decoded} -> Decoded;
-        {error, _} -> X
-    end.