diff --git a/liteipc/src/liteipc_adapter.c b/liteipc/src/liteipc_adapter.c
index b3b9358f9c0f8ba55f8e6d8860baae52f40b114f..4595ccf80808258961ae8681697485a922bd61d2 100755
--- a/liteipc/src/liteipc_adapter.c
+++ b/liteipc/src/liteipc_adapter.c
@@ -31,12 +31,6 @@
 #include "utils_list.h"
 #include "securec.h"
 
-#ifdef __cplusplus
-#if __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-#endif /* __cplusplus */
-
 #define ENABLE_IPC_CB_TIMER YES
 
 static IpcContext* g_context = NULL;
@@ -1028,10 +1022,4 @@ static void RemoveDeathCallback(uint32_t handle)
         }
     }
     pthread_mutex_unlock(&g_ipcCallbackCb.mutex);
-}
-
-#ifdef __cplusplus
-#if __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* __cplusplus */
+}
\ No newline at end of file
diff --git a/liteipc/src/serializer.c b/liteipc/src/serializer.c
index a110d38df252151d07b4f334ba8edce7ece7e8b4..c1b4fb90eb6a7821f55ff49abad225bb0d27199b 100755
--- a/liteipc/src/serializer.c
+++ b/liteipc/src/serializer.c
@@ -20,12 +20,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#ifdef __cplusplus
-#if __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-#endif /* __cplusplus */
-
 #define MAX_IO_SIZE 2048UL
 #define MAX_OBJ_NUM 32UL
 #define MAX_DATA_BUFF_SIZE 65536UL
@@ -518,10 +512,4 @@ BuffPtr* IpcIoPopDataBuff(IpcIo* io)
     } else {
         return &(ptr->content.ptr);
     }
-}
-
-#ifdef __cplusplus
-#if __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* __cplusplus */
+}
\ No newline at end of file