diff --git a/third_party/fwkacllib/inc/toolchain/slog.h b/third_party/fwkacllib/inc/toolchain/slog.h
index 5faca0ae..bce58f32 100644
--- a/third_party/fwkacllib/inc/toolchain/slog.h
+++ b/third_party/fwkacllib/inc/toolchain/slog.h
@@ -18,9 +18,7 @@
 #define D_SYSLOG_H_
 
 #ifdef __cplusplus
-#ifndef LOG_CPP
 extern "C" {
-#endif
 #endif // __cplusplus
 
 #ifndef LINUX
@@ -107,7 +105,6 @@ extern "C" {
 #define SECURITY_LOG_MASK   (0x00100000)
 #define RUN_LOG_MASK        (0x01000000)
 #define OPERATION_LOG_MASK  (0x10000000)
-#define RESERVERD_LENGTH 52
 
 typedef struct tagDCODE {
   const char *cName;
@@ -119,18 +116,6 @@ typedef struct tagKV {
   char *value;
 } KeyValue;
 
-typedef enum {
-    APPLICATION = 0,
-    SYSTEM
-} ProcessType;
-
-typedef struct {
-    ProcessType type;
-    unsigned int pid;
-    unsigned int deviceId;
-    char reserved[RESERVERD_LENGTH];
-} LogAttr;
-
 /**
  * @ingroup slog
  *
@@ -243,14 +228,6 @@ DLL_EXPORT int dlog_setlevel(int moduleId, int level, int enableEvent);
  */
 DLL_EXPORT int CheckLogLevel(int moduleId, int logLevel);
 
-/**
- * @ingroup slog
- * @brief DlogSetAttr: set log attr, default pid is 0, default device id is 0, default process type is APPLICATION
- * @param [in]logAttr: attr info, include pid(must be larger than 0), process type and device id(chip ID)
- * @return: 0: SUCCEED, others: FAILED
- */
-DLL_EXPORT int DlogSetAttr(LogAttr logAttr);
-
 /**
  * @ingroup slog
  * @brief dlog_error: print error log
@@ -390,8 +367,6 @@ void DlogInner(int moduleId, int level, const char *fmt, ...);
 void DlogWithKVInner(int moduleId, int level, KeyValue *pstKVArray, int kvNum, const char *fmt, ...);
 
 #ifdef __cplusplus
-#ifndef LOG_CPP
 }
-#endif // LOG_CPP
 #endif // __cplusplus
 #endif // D_SYSLOG_H_