diff --git a/include/neuron/msg.h b/include/neuron/msg.h
index 0ce592b4..47a82982 100644
--- a/include/neuron/msg.h
+++ b/include/neuron/msg.h
@@ -137,16 +137,6 @@ typedef enum neu_reqresp_type {
 
     NEU_REQ_UPDATE_LOG_LEVEL,
 
-    NEU_REQ_ADD_NODE_EVENT,
-    NEU_REQ_DEL_NODE_EVENT,
-    NEU_REQ_NODE_CTL_EVENT,
-    NEU_REQ_NODE_SETTING_EVENT,
-    NEU_REQ_ADD_GROUP_EVENT,
-    NEU_REQ_DEL_GROUP_EVENT,
-    NEU_REQ_UPDATE_GROUP_EVENT,
-    NEU_REQ_ADD_TAG_EVENT,
-    NEU_REQ_DEL_TAG_EVENT,
-    NEU_REQ_UPDATE_TAG_EVENT,
 } neu_reqresp_type_e;
 
 static const char *neu_reqresp_type_string_t[] = {
@@ -246,17 +236,6 @@ static const char *neu_reqresp_type_string_t[] = {
     [NEU_RESP_GET_NDRIVER_TAGS]        = "NEU_RESP_GET_NDRIVER_TAGS",
 
     [NEU_REQ_UPDATE_LOG_LEVEL] = "NEU_REQ_UPDATE_LOG_LEVEL",
-
-    [NEU_REQ_ADD_NODE_EVENT]     = "NEU_REQ_ADD_NODE_EVENT",
-    [NEU_REQ_DEL_NODE_EVENT]     = "NEU_REQ_DEL_NODE_EVENT",
-    [NEU_REQ_NODE_CTL_EVENT]     = "NEU_REQ_NODE_CTL_EVENT",
-    [NEU_REQ_NODE_SETTING_EVENT] = "NEU_REQ_NODE_SETTING_EVENT",
-    [NEU_REQ_ADD_GROUP_EVENT]    = "NEU_REQ_ADD_GROUP_EVENT",
-    [NEU_REQ_DEL_GROUP_EVENT]    = "NEU_REQ_DEL_GROUP_EVENT",
-    [NEU_REQ_UPDATE_GROUP_EVENT] = "NEU_REQ_UPDATE_GROUP_EVENT",
-    [NEU_REQ_ADD_TAG_EVENT]      = "NEU_REQ_ADD_TAG_EVENT",
-    [NEU_REQ_DEL_TAG_EVENT]      = "NEU_REQ_DEL_TAG_EVENT",
-    [NEU_REQ_UPDATE_TAG_EVENT]   = "NEU_REQ_UPDATE_TAG_EVENT",
 };
 
 inline static const char *neu_reqresp_type_string(neu_reqresp_type_e type)
diff --git a/src/adapter/adapter.c b/src/adapter/adapter.c
index 30126935..9d10bc25 100644
--- a/src/adapter/adapter.c
+++ b/src/adapter/adapter.c
@@ -681,16 +681,6 @@ static int adapter_loop(enum neu_event_io_type type, int fd, void *usr_data)
     case NEU_RESP_GET_GROUP:
     case NEU_RESP_ERROR:
     case NEU_REQRESP_NODES_STATE:
-    case NEU_REQ_ADD_NODE_EVENT:
-    case NEU_REQ_DEL_NODE_EVENT:
-    case NEU_REQ_NODE_CTL_EVENT:
-    case NEU_REQ_NODE_SETTING_EVENT:
-    case NEU_REQ_ADD_GROUP_EVENT:
-    case NEU_REQ_DEL_GROUP_EVENT:
-    case NEU_REQ_UPDATE_GROUP_EVENT:
-    case NEU_REQ_ADD_TAG_EVENT:
-    case NEU_REQ_DEL_TAG_EVENT:
-    case NEU_REQ_UPDATE_TAG_EVENT:
         adapter->module->intf_funs->request(
             adapter->plugin, (neu_reqresp_head_t *) header, &header[1]);
         neu_msg_free(msg);
diff --git a/src/base/msg_internal.h b/src/base/msg_internal.h
index a12efdc2..5d5259a2 100644
--- a/src/base/msg_internal.h
+++ b/src/base/msg_internal.h
@@ -115,17 +115,7 @@ extern "C" {
     XX(NEU_REQ_UPDATE_NDRIVER_TAG_INFO, neu_req_update_ndriver_tag_info_t)   \
     XX(NEU_REQ_GET_NDRIVER_TAGS, neu_req_get_ndriver_tags_t)                 \
     XX(NEU_RESP_GET_NDRIVER_TAGS, neu_resp_get_ndriver_tags_t)               \
-    XX(NEU_REQ_UPDATE_LOG_LEVEL, neu_req_update_log_level_t)                 \
-    XX(NEU_REQ_ADD_NODE_EVENT, neu_req_add_node_t)                           \
-    XX(NEU_REQ_DEL_NODE_EVENT, neu_req_del_node_t)                           \
-    XX(NEU_REQ_NODE_CTL_EVENT, neu_req_node_ctl_t)                           \
-    XX(NEU_REQ_NODE_SETTING_EVENT, neu_req_node_setting_t)                   \
-    XX(NEU_REQ_ADD_GROUP_EVENT, neu_req_add_group_t)                         \
-    XX(NEU_REQ_DEL_GROUP_EVENT, neu_req_del_group_t)                         \
-    XX(NEU_REQ_UPDATE_GROUP_EVENT, neu_req_update_group_t)                   \
-    XX(NEU_REQ_ADD_TAG_EVENT, neu_req_add_tag_t)                             \
-    XX(NEU_REQ_DEL_TAG_EVENT, neu_req_del_tag_t)                             \
-    XX(NEU_REQ_UPDATE_TAG_EVENT, neu_req_update_tag_t)
+    XX(NEU_REQ_UPDATE_LOG_LEVEL, neu_req_update_log_level_t)
 
 static inline size_t neu_reqresp_size(neu_reqresp_type_e t)
 {
diff --git a/src/core/manager.c b/src/core/manager.c
index 4f0ad11b..9a3bcdb3 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -1306,20 +1306,6 @@ static int manager_loop(enum neu_event_io_type type, int fd, void *usr_data)
         break;
     }
 
-    case NEU_REQ_ADD_NODE_EVENT:
-    case NEU_REQ_DEL_NODE_EVENT:
-    case NEU_REQ_NODE_CTL_EVENT:
-    case NEU_REQ_NODE_SETTING_EVENT:
-    case NEU_REQ_ADD_GROUP_EVENT:
-    case NEU_REQ_DEL_GROUP_EVENT:
-    case NEU_REQ_UPDATE_GROUP_EVENT:
-    case NEU_REQ_ADD_TAG_EVENT:
-    case NEU_REQ_DEL_TAG_EVENT:
-    case NEU_REQ_UPDATE_TAG_EVENT: {
-        neu_msg_free(msg);
-        break;
-    }
-
     case NEU_REQ_UPDATE_GROUP: {
         neu_resp_error_t e = { 0 };