diff --git a/apps/emqx_management/src/emqx_mgmt.erl b/apps/emqx_management/src/emqx_mgmt.erl
index c5062d477..2d0ffb7a6 100644
--- a/apps/emqx_management/src/emqx_mgmt.erl
+++ b/apps/emqx_management/src/emqx_mgmt.erl
@@ -499,7 +499,7 @@ delete_all_deactivated_alarms() ->
 delete_all_deactivated_alarms(Node) when Node =:= node() ->
     emqx_alarm:delete_all_deactivated_alarms();
 delete_all_deactivated_alarms(Node) ->
-    rpc_call(Node, delete_deactivated_alarms, [Node]).
+    rpc_call(Node, emqx_alarm, delete_all_deactivated_alarms, []).
 
 add_duration_field(Alarms) ->
     Now = erlang:system_time(microsecond),
@@ -574,7 +574,10 @@ item(route, {Topic, Node}) ->
 %%--------------------------------------------------------------------
 
 rpc_call(Node, Fun, Args) ->
-    case rpc:call(Node, ?MODULE, Fun, Args) of
+    rpc_call(Node, ?MODULE, Fun, Args).
+
+rpc_call(Node, Mod, Fun, Args) ->
+    case rpc:call(Node, Mod, Fun, Args) of
         {badrpc, Reason} -> {error, Reason};
         Res -> Res
     end.
diff --git a/apps/emqx_management/test/emqx_mgmt_SUITE.erl b/apps/emqx_management/test/emqx_mgmt_SUITE.erl
index 66bd07405..48b2b4201 100644
--- a/apps/emqx_management/test/emqx_mgmt_SUITE.erl
+++ b/apps/emqx_management/test/emqx_mgmt_SUITE.erl
@@ -34,7 +34,8 @@ all() ->
 
 groups() ->
     [{manage_apps, [sequence],
-      [t_app
+      [t_app,
+       t_alarms
       ]},
       {check_cli, [sequence],
        [t_cli,
@@ -64,6 +65,24 @@ init_per_suite(Config) ->
 end_per_suite(_Config) ->
     emqx_ct_helpers:stop_apps(apps()).
 
+init_per_testcase(Case, Config) when Case =:= t_alarms ->
+    try
+        ?MODULE:Case({'init', Config})
+    catch
+        error : function_clause ->
+            Config
+    end;
+init_per_testcase(_, Config) -> Config.
+
+end_per_testcase(Case, Config) when Case =:= t_alarms ->
+    try
+        ?MODULE:Case({'end', Config})
+    catch
+        error : function_clause ->
+            ok
+    end;
+end_per_testcase(_, Config) -> Config.
+
 t_app(_Config) ->
     {ok, AppSecret} = emqx_mgmt_auth:add_app(<<"app_id">>, <<"app_name">>),
     ?assert(emqx_mgmt_auth:is_authorized(<<"app_id">>, AppSecret)),
@@ -95,6 +114,16 @@ t_app(_Config) ->
     emqx_mgmt_auth:del_app(<<"app_id">>),
     ok.
 
+t_alarms({'init', Config}) ->
+    meck:new(rpc, [unstick]),
+    meck:expect(rpc, call, 4, ok),
+    Config;
+t_alarms({'end', _}) ->
+    meck:unload(rpc);
+t_alarms(_) ->
+    ok = emqx_mgmt:delete_all_deactivated_alarms(remote_node),
+    ?assert(meck:called(rpc, call, [remote_node, emqx_alarm, delete_all_deactivated_alarms, []])).
+
 t_log_cmd(_) ->
     mock_print(),
     lists:foreach(fun(Level) ->
diff --git a/changes/v4.3.22-en.md b/changes/v4.3.22-en.md
index 0004ce400..386b9b0ff 100644
--- a/changes/v4.3.22-en.md
+++ b/changes/v4.3.22-en.md
@@ -70,4 +70,8 @@
   Note that the `id` in `POST /api/v4/rules` should be literals (not encoded) when creating a `rule` or `resource`.
   See docs [Create Rule](https://www.emqx.io/docs/zh/v4.3/advanced/http-api.html#post-api-v4-rules) [Create Resource](https://www.emqx.io/docs/zh/v4.3/advanced/http-api.html#post-api-v4-resources).
 
+
+- Calling 'DELETE /alarms/deactivated' now deletes deactived alarms on all nodes, including remote nodes, not just the local node [#9280](https://github.com/emqx/emqx/pull/9280).
+
 - When republishing messages or bridge messages to other brokers, check the validity of the topic and make sure it does not have topic wildcards [#9291](https://github.com/emqx/emqx/pull/9291).
+
diff --git a/changes/v4.3.22-zh.md b/changes/v4.3.22-zh.md
index cb1bf8e67..9304d5c2e 100644
--- a/changes/v4.3.22-zh.md
+++ b/changes/v4.3.22-zh.md
@@ -64,4 +64,8 @@
   注意在创建规则或资源时，HTTP body 中的 `id` 字段仍为字面值，而不是编码之后的值。
   详情请参考 [创建规则](https://www.emqx.io/docs/zh/v4.3/advanced/http-api.html#post-api-v4-rules) 和 [创建资源](https://www.emqx.io/docs/zh/v4.3/advanced/http-api.html#post-api-v4-resources)。
 
+
+- 修复调用 'DELETE /alarms/deactivated' 只在单个节点上生效的问题，现在将会删除所有节点上的非活跃警告 [#9280](https://github.com/emqx/emqx/pull/9280)。
+
 - 在进行消息重发布或桥接消息到其他 mqtt broker 时，检查 topic 合法性，确定其不带有主题通配符 [#9291](https://github.com/emqx/emqx/pull/9291)。
+