diff --git a/apps/emqx_management/src/emqx_mgmt_api_listeners.erl b/apps/emqx_management/src/emqx_mgmt_api_listeners.erl
index bce6ef210..b085db597 100644
--- a/apps/emqx_management/src/emqx_mgmt_api_listeners.erl
+++ b/apps/emqx_management/src/emqx_mgmt_api_listeners.erl
@@ -25,7 +25,6 @@
         , manage_listeners/2]).
 
 -import(emqx_mgmt_util, [ schema/1
-                        , schema/2
                         , object_schema/2
                         , object_array_schema/2
                         , error_schema/1
@@ -130,7 +129,7 @@ nodes_listeners_api() ->
                     error_schema(<<"Node name or listener id not found">>,
                         ['BAD_NODE_NAME', 'BAD_LISTENER_ID']),
                 <<"200">> =>
-                    schema(properties(), <<"Get listener info ok">>)}}},
+                    object_schema(properties(), <<"Get listener info ok">>)}}},
     {"/nodes/:node/listeners/:id", Metadata, listener}.
 
 nodes_listener_api() ->
diff --git a/apps/emqx_prometheus/src/emqx_prometheus_api.erl b/apps/emqx_prometheus/src/emqx_prometheus_api.erl
index ee2444bac..ff8cff158 100644
--- a/apps/emqx_prometheus/src/emqx_prometheus_api.erl
+++ b/apps/emqx_prometheus/src/emqx_prometheus_api.erl
@@ -52,11 +52,6 @@ prometheus_data_api() ->
     Metadata = #{
         get => #{
             description => <<"Get Prometheus Data">>,
-            parameters => [#{
-                name => format_type,
-                in => path,
-                schema => #{type => string}
-            }],
             responses => #{<<"200">> => schema(#{type => object})}
         }
     },