diff --git a/src/os/inc/osDef.h b/src/os/inc/osDef.h
index 04cb8b6e74b870d73c8f27707bd8a92f7b309e98..cb91b0526bdec17af1d5d86bfb24f8f95b56e01c 100644
--- a/src/os/inc/osDef.h
+++ b/src/os/inc/osDef.h
@@ -26,10 +26,6 @@ extern "C" {
   #endif
 #endif
 
-#ifndef STDERR_FILENO
-#define STDERR_FILENO (2)
-#endif
-
 #define FD_VALID(x) ((x) > STDERR_FILENO)
 #define FD_INITIALIZER  ((int32_t)-1)
 
diff --git a/src/os/inc/osWindows.h b/src/os/inc/osWindows.h
index 6f96e4d1c80f5f376684f758140be16cc9498b65..d54d519cc3c893885a1c92b04501ee4b558290af 100644
--- a/src/os/inc/osWindows.h
+++ b/src/os/inc/osWindows.h
@@ -46,6 +46,8 @@
 #include "msvcFcntl.h"
 #include "msvcLibgen.h"
 #include "msvcStdio.h"
+#include "msvcUnistd.h"
+#include "msvcLibgen.h"
 #include "sys/msvcStat.h"
 #include "sys/msvcTypes.h"
 
@@ -144,7 +146,6 @@ typedef int (*__compar_fn_t)(const void *, const void *);
 #define in_addr_t unsigned long
 #define socklen_t int
 #define htobe64 htonll
-#define getpid _getpid
 
 struct tm *localtime_r(const time_t *timep, struct tm *result);
 char *     strptime(const char *buf, const char *fmt, struct tm *tm);
@@ -153,15 +154,8 @@ char *     getpass(const char *prefix);
 int        flock(int fd, int option);
 int        fsync(int filedes);
 char *     strndup(const char *s, size_t n);
-char *     dirname(char *pszPathname);
 int        gettimeofday(struct timeval *ptv, void *pTimeZone);
 
-// for access function in io.h
-#define F_OK 00  //Existence only
-#define W_OK 02  //Write - only
-#define R_OK 04  //Read - only
-#define X_OK 06  //Read and write
-
 // for send function in tsocket.c
 #define MSG_NOSIGNAL             0
 #define SO_NO_CHECK              0x1234
@@ -208,8 +202,6 @@ typedef struct {
 int  wordexp(char *words, wordexp_t *pwordexp, int flags);
 void wordfree(wordexp_t *pwordexp);
 
-char *realpath(char *path, char *resolved_path);
-
 #define openlog(a, b, c)
 #define closelog()
 #define LOG_ERR 0
diff --git a/src/os/src/windows/wString.c b/src/os/src/windows/wString.c
index 1fb235a00575529be660cea18c1401f1d075a49b..67237e655cd2916ec2ec80daa01e7a0f9ae0d3e3 100644
--- a/src/os/src/windows/wString.c
+++ b/src/os/src/windows/wString.c
@@ -75,18 +75,6 @@ char *getpass(const char *prefix) {
   return passwd;
 }
 
-char *strndup(const char *s, size_t n) {
-  size_t len = strlen(s);
-  if (len >= n) {
-    len = n;
-  }
-
-  char *r = calloc(len + 1, 1);
-  memcpy(r, s, len);
-  r[len] = 0;
-  return r;
-}
-
 int twcslen(const wchar_t *wcs) {
   int *wstr = (int *)wcs;
   if (NULL == wstr) {
diff --git a/src/os/src/windows/wWordexp.c b/src/os/src/windows/wWordexp.c
index 929505516dede880e0354dbed63919198ae9e5d1..febe22ac8fa8566607fe2bf9b0be9cc7443c8012 100644
--- a/src/os/src/windows/wWordexp.c
+++ b/src/os/src/windows/wWordexp.c
@@ -38,7 +38,3 @@ int wordexp(char *words, wordexp_t *pwordexp, int flags) {
 }
 
 void wordfree(wordexp_t *pwordexp) {}
-
-char *realpath(char *path, char *resolved_path) {
-  return _fullpath(path, resolved_path, TSDB_FILENAME_LEN - 1);
-}
\ No newline at end of file
diff --git a/tests/script/wtest.bat b/tests/script/wtest.bat
index 0b5cdda52787971c115a96c3674689f4a42504fc..9ed58a90d1ba6bd781d306070e03f56b75984093 100644
--- a/tests/script/wtest.bat
+++ b/tests/script/wtest.bat
@@ -44,10 +44,10 @@ echo serverPort     7100          >> %TAOS_CFG%
 echo logDir         %LOG_DIR%     >> %TAOS_CFG%
 echo scriptDir      %SCRIPT_DIR%  >> %TAOS_CFG%
 echo numOfLogLines  100000000     >> %TAOS_CFG%
-echo rpcDebugFlag   143           >> %TAOS_CFG%
+echo rpcDebugFlag   135           >> %TAOS_CFG%
 echo tmrDebugFlag   131           >> %TAOS_CFG%
-echo cDebugFlag     143           >> %TAOS_CFG%
-echo udebugFlag     143           >> %TAOS_CFG%
+echo cDebugFlag     135           >> %TAOS_CFG%
+echo udebugFlag     135           >> %TAOS_CFG%
 echo wal            0             >> %TAOS_CFG%
 echo asyncLog       0             >> %TAOS_CFG%
 echo locale         en_US.UTF-8   >> %TAOS_CFG%