diff --git a/compat/mingw.c b/compat/mingw.c
index 7c8fd0e158..a5b43bcf6f 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -175,6 +175,33 @@ int mingw_fstat(int fd, struct mingw_stat *buf)
 	return -1;
 }
 
+static inline void time_t_to_filetime(time_t t, FILETIME *ft)
+{
+	long long winTime = t * 10000000LL + 116444736000000000LL;
+	ft->dwLowDateTime = winTime;
+	ft->dwHighDateTime = winTime >> 32;
+}
+
+int mingw_utime (const char *file_name, const struct utimbuf *times)
+{
+	FILETIME mft, aft;
+	int fh, rc;
+
+	/* must have write permission */
+	if ((fh = open(file_name, O_RDWR | O_BINARY)) < 0)
+	        return -1;
+
+	time_t_to_filetime(times->modtime, &mft);
+	time_t_to_filetime(times->actime, &aft);
+	if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) {
+		errno = EINVAL;
+		rc = -1;
+	} else
+		rc = 0;
+	close(fh);
+	return rc;
+}
+
 unsigned int sleep (unsigned int seconds)
 {
 	Sleep(seconds*1000);
diff --git a/compat/mingw.h b/compat/mingw.h
index c7db345d58..0e18b78b14 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -174,6 +174,9 @@ int mingw_fstat(int fd, struct mingw_stat *buf);
 static inline int mingw_stat(const char *file_name, struct mingw_stat *buf)
 { return mingw_lstat(file_name, buf); }
 
+int mingw_utime(const char *file_name, const struct utimbuf *times);
+#define utime mingw_utime
+
 pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env);
 void mingw_execvp(const char *cmd, char *const *argv);
 #define execvp mingw_execvp
diff --git a/test-chmtime.c b/test-chmtime.c
index 8a1e6b8479..90da448ebe 100644
--- a/test-chmtime.c
+++ b/test-chmtime.c
@@ -3,38 +3,6 @@
 
 static const char usage_str[] = "(+|=|=+|=-|-)<seconds> <file>...";
 
-#ifdef __MINGW32__
-static inline void time_t_to_filetime(time_t t, FILETIME *ft)
-{
-	long long winTime = t * 10000000LL + 116444736000000000LL;
-	ft->dwLowDateTime = winTime;
-	ft->dwHighDateTime = winTime >> 32;
-}
-
-int git_utime (const char *file_name, const struct utimbuf *times)
-{
-	FILETIME mft, aft;
-	int fh, rc;
-
-	/* must have write permission */
-	if ((fh = open(file_name, O_RDWR | O_BINARY)) < 0)
-	        return -1;
-
-	time_t_to_filetime(times->modtime, &mft);
-	time_t_to_filetime(times->actime, &aft);
-	if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) {
-		errno = EINVAL;
-		rc = -1;
-	} else
-		rc = 0;
-	close(fh);
-	return rc;
-}
-
-int git_utime(const char *file_name, const struct utimbuf *times);
-#define utime git_utime
-#endif /* __MINGW32__ */
-
 int main(int argc, const char *argv[])
 {
 	int i;