diff --git a/core/bus_center/ipc/mini/lnn_bus_center_ipc.c b/core/bus_center/ipc/mini/lnn_bus_center_ipc.c
index 5fd99780dcedc027fc49f715d49ed6ea78a0ff6c..c121467662cdde99800de51997d0073e62c64a69 100644
--- a/core/bus_center/ipc/mini/lnn_bus_center_ipc.c
+++ b/core/bus_center/ipc/mini/lnn_bus_center_ipc.c
@@ -22,7 +22,6 @@
 #include "client_bus_center_manager.h"
 #include "lnn_distributed_net_ledger.h"
 #include "lnn_heartbeat_ctrl.h"
-#include "lnn_ipc_utils.h"
 #include "lnn_meta_node_ledger.h"
 #include "lnn_time_sync_manager.h"
 #include "softbus_errcode.h"
diff --git a/core/bus_center/ipc/small/src/lnn_bus_center_ipc.c b/core/bus_center/ipc/small/src/lnn_bus_center_ipc.c
index f03ef5221dfa984b62d898893c2bafdf596a09a4..093dd3499089eb47cf135eb11176c1acf9bf7327 100644
--- a/core/bus_center/ipc/small/src/lnn_bus_center_ipc.c
+++ b/core/bus_center/ipc/small/src/lnn_bus_center_ipc.c
@@ -24,7 +24,6 @@
 #include "lnn_connection_addr_utils.h"
 #include "lnn_distributed_net_ledger.h"
 #include "lnn_heartbeat_ctrl.h"
-#include "lnn_ipc_utils.h"
 #include "lnn_meta_node_ledger.h"
 #include "lnn_time_sync_manager.h"
 #include "softbus_adapter_mem.h"
diff --git a/core/bus_center/ipc/standard/src/lnn_bus_center_ipc.cpp b/core/bus_center/ipc/standard/src/lnn_bus_center_ipc.cpp
old mode 100755
new mode 100644
index 87f669d18a0e2a36a4ba0f77fb1bee60eeab2235..dee178e0bb213a2b1ff09973ec8ccc143c9c69b9
--- a/core/bus_center/ipc/standard/src/lnn_bus_center_ipc.cpp
+++ b/core/bus_center/ipc/standard/src/lnn_bus_center_ipc.cpp
@@ -25,7 +25,6 @@
 #include "lnn_connection_addr_utils.h"
 #include "lnn_distributed_net_ledger.h"
 #include "lnn_heartbeat_ctrl.h"
-#include "lnn_ipc_utils.h"
 #include "lnn_meta_node_ledger.h"
 #include "lnn_time_sync_manager.h"
 #include "softbus_def.h"
diff --git a/core/bus_center/utils/bus_center_utils.gni b/core/bus_center/utils/bus_center_utils.gni
index 31a792f01828b2725fbdf16c9d4779a57fffb701..0623ac81f491ef6397465b1fa81667eee65183cf 100644
--- a/core/bus_center/utils/bus_center_utils.gni
+++ b/core/bus_center/utils/bus_center_utils.gni
@@ -19,7 +19,6 @@ bus_center_utils_src = [
   "$core_bus_center_utils_path/src/lnn_async_callback_utils.c",
   "$core_bus_center_utils_path/src/lnn_connection_addr_utils.c",
   "$core_bus_center_utils_path/src/lnn_map.c",
-  "$dsoftbus_root_path/core/bus_center/utils/src/lnn_ipc_utils.c",
 ]
 if (dsoftbus_feature_lnn_net) {
   bus_center_utils_src +=
diff --git a/core/bus_center/utils/include/lnn_ipc_utils.h b/core/bus_center/utils/include/lnn_ipc_utils.h
deleted file mode 100644
index db38163120a0a18dd265c6ee087b96098e88efde..0000000000000000000000000000000000000000
--- a/core/bus_center/utils/include/lnn_ipc_utils.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef LNN_IPC_UTILS_H
-#define LNN_IPC_UTILS_H
-
-#include <stdbool.h>
-#include <stdint.h>
-
-#include "softbus_bus_center.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void ConvertVoidToPublishInfo(const void *info, PublishInfo *pubInfo);
-void ConvertVoidToSubscribeInfo(const void *info, SubscribeInfo *subInfo);
-
-#ifdef __cplusplus
-}
-#endif
-#endif /* LNN_IPC_UTILS_H */
\ No newline at end of file
diff --git a/core/bus_center/utils/src/lnn_ipc_utils.c b/core/bus_center/utils/src/lnn_ipc_utils.c
deleted file mode 100644
index 886856bf45b9063c0c70ff68fa8464632cb2015e..0000000000000000000000000000000000000000
--- a/core/bus_center/utils/src/lnn_ipc_utils.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "lnn_ipc_utils.h"
-
-#include <string.h>
-
-void ConvertVoidToPublishInfo(const void *info, PublishInfo *pubInfo)
-{
-    if (info == NULL || pubInfo == NULL) {
-        return;
-    }
-    char *info1 = (char *)info;
-    pubInfo->publishId = *(int32_t *)info1;
-    info1 += sizeof(int32_t);
-    pubInfo->mode = *(DiscoverMode *)info1;
-    info1 += sizeof(DiscoverMode);
-    pubInfo->medium = *(ExchangeMedium *)info1;
-    info1 += sizeof(ExchangeMedium);
-    pubInfo->freq = *(ExchangeFreq *)info1;
-    info1 += sizeof(ExchangeFreq);
-    pubInfo->capability = (const char *)info1;
-    info1 += strlen(pubInfo->capability) + 1;
-    pubInfo->dataLen = *(int32_t *)info1;
-    info1 += sizeof(int32_t);
-    if (pubInfo->dataLen > 0) {
-        pubInfo->capabilityData = (unsigned char *)info1;
-        info1 += pubInfo->dataLen + 1;
-    }
-    pubInfo->ranging = *(bool *)info1;
-}
-
-void ConvertVoidToSubscribeInfo(const void *info, SubscribeInfo *subInfo)
-{
-    if (info == NULL || subInfo == NULL) {
-        return;
-    }
-    char *info1 = (char *)info;
-    subInfo->subscribeId = *(int32_t *)info1;
-    info1 += sizeof(int32_t);
-    subInfo->mode = *(DiscoverMode *)info1;
-    info1 += sizeof(DiscoverMode);
-    subInfo->medium = *(ExchangeMedium *)info1;
-    info1 += sizeof(ExchangeMedium);
-    subInfo->freq = *(ExchangeFreq *)info1;
-    info1 += sizeof(ExchangeFreq);
-    subInfo->isSameAccount = *(bool *)info1;
-    info1 += sizeof(bool);
-    subInfo->isWakeRemote = *(bool *)info1;
-    info1 += sizeof(bool);
-    subInfo->capability = (const char *)info1;
-    info1 += strlen(subInfo->capability) + 1;
-    subInfo->dataLen = *(int32_t *)info1;
-    info1 += sizeof(int32_t);
-    if (subInfo->dataLen > 0) {
-        subInfo->capabilityData = (unsigned char *)info1;
-    }
-}
\ No newline at end of file
diff --git a/tests/core/bus_center/lnn/ipc/bus_center_client_proxy_standard_test.cpp b/tests/core/bus_center/lnn/ipc/bus_center_client_proxy_standard_test.cpp
index f7180bb3a50cabb4540669e2686f906ea99a11fc..3fdee47a696e1ce3a12bd283a0d2fd88f6d6c4a6 100644
--- a/tests/core/bus_center/lnn/ipc/bus_center_client_proxy_standard_test.cpp
+++ b/tests/core/bus_center/lnn/ipc/bus_center_client_proxy_standard_test.cpp
@@ -41,7 +41,6 @@
 #include "lnn_sync_item_info.h"
 #include "softbus_bus_center.h"
 #include "softbus_conn_interface.h"
-#include "lnn_ipc_utils.h"
 #include "lnn_meta_node_ledger.h"
 #include "lnn_time_sync_manager.h"
 #include "softbus_def.h"
diff --git a/tests/core/bus_center/lnn/ipc/lnn_bus_center_ipc_test.cpp b/tests/core/bus_center/lnn/ipc/lnn_bus_center_ipc_test.cpp
index 7a2f9f866bcfad36bd5da09357a779f21293c087..d8f545df69841d30bf9060191cc18bf8ff115b22 100644
--- a/tests/core/bus_center/lnn/ipc/lnn_bus_center_ipc_test.cpp
+++ b/tests/core/bus_center/lnn/ipc/lnn_bus_center_ipc_test.cpp
@@ -39,7 +39,6 @@
 #include "lnn_sync_item_info.h"
 #include "softbus_bus_center.h"
 #include "softbus_conn_interface.h"
-#include "lnn_ipc_utils.h"
 #include "lnn_meta_node_ledger.h"
 #include "lnn_time_sync_manager.h"
 #include "softbus_def.h"