diff --git a/src/emqttd_http.erl b/src/emqttd_http.erl
index bea4e57a9..4846bdb50 100644
--- a/src/emqttd_http.erl
+++ b/src/emqttd_http.erl
@@ -213,6 +213,7 @@ api_list() ->
               <<"api/v2/nodes/{node_name}/clients">>,
               <<"api/v2/nodes/{node_name}/clients/{clientid}">>,
               <<"api/v2/clients/{clientid}">>,
+              <<"api/v2/clean_acl_cache/{clientid}">>,
               <<"api/v2/nodes/{node_name}/sessions">>,
               <<"api/v2/nodes/{node_name}/sessions/{clientid}">>,
               <<"api/v2/sessions/{clientid}">>,
diff --git a/src/emqttd_rest_api.erl b/src/emqttd_rest_api.erl
index 97d887415..adb6e5af6 100644
--- a/src/emqttd_rest_api.erl
+++ b/src/emqttd_rest_api.erl
@@ -25,7 +25,7 @@
 -http_api({"^nodes/(.+?)/clients/(.+?)/?$", 'GET',client_list, []}).
 -http_api({"^clients/(.+?)/?$", 'GET', client, []}).
 -http_api({"^clients/(.+?)/?$", 'DELETE', kick_client, []}).
--http_api({"^clean_acl_cache/(.+?)/?$", 'PUT', clean_acl_cache, [{<<"topic">>, binary}]}).
+-http_api({"^clean_acl_cache/(.+?)/?$", 'DELETE', clean_acl_cache, [{<<"topic">>, binary}]}).
 
 -http_api({"^routes?$", 'GET', route_list, []}).
 -http_api({"^routes/(.+?)/?$", 'GET', route, []}).