diff --git a/paddle/fluid/platform/timer.cc b/paddle/fluid/platform/timer.cc
index 0c1dd53037c4044627849df2ee4e15e8ec830448..75d4e5cbf90bd81c73756605eacc6b0c15a63e9d 100644
--- a/paddle/fluid/platform/timer.cc
+++ b/paddle/fluid/platform/timer.cc
@@ -17,27 +17,6 @@ limitations under the License. */
 namespace paddle {
 namespace platform {
 
-#if defined _WIN32
-static int gettimeofday(struct timeval *tp, void *tzp) {
-  time_t clock;
-  struct tm tm;
-  SYSTEMTIME wtm;
-
-  GetLocalTime(&wtm);
-  tm.tm_year = wtm.wYear - 1900;
-  tm.tm_mon = wtm.wMonth - 1;
-  tm.tm_mday = wtm.wDay;
-  tm.tm_hour = wtm.wHour;
-  tm.tm_min = wtm.wMinute;
-  tm.tm_sec = wtm.wSecond;
-  tm.tm_isdst = -1;
-  clock = mktime(&tm);
-  tp->tv_sec = clock;
-  tp->tv_usec = wtm.wMilliseconds * 1000;
-  return (0);
-}
-#endif
-
 void Timer::Reset() {
   _start.tv_sec = 0;
   _start.tv_usec = 0;
diff --git a/paddle/fluid/platform/timer.h b/paddle/fluid/platform/timer.h
index 1cd5d9936d38d7e80d2a685604f467e055fd9c0b..9bb66eb97ad92e526147a5a4c009880783ac3c94 100644
--- a/paddle/fluid/platform/timer.h
+++ b/paddle/fluid/platform/timer.h
@@ -14,16 +14,7 @@ limitations under the License. */
 
 #pragma once
 #include <stdlib.h>
-#if defined __APPLE__
-#include <time.h>
-#else
-#include <time.h>
-#if defined _WIN32
-#include <windows.h>
-#else
-#include <sys/time.h>
-#endif
-#endif
+#include "paddle/fluid/platform/port.h"
 
 namespace paddle {
 namespace platform {