diff --git a/include/share/win_utf8_io.h b/include/share/win_utf8_io.h
index 5baefcce..cac0ea65 100644
--- a/include/share/win_utf8_io.h
+++ b/include/share/win_utf8_io.h
@@ -50,14 +50,6 @@ int printf_utf8(const char *format, ...);
 int fprintf_utf8(FILE *stream, const char *format, ...);
 int vfprintf_utf8(FILE *stream, const char *format, va_list argptr);
 
-FILE *fopen_utf8(const char *filename, const char *mode);
-int _stat64_utf8(const char *path, struct __stat64 *buffer);
-int chmod_utf8(const char *filename, int pmode);
-int utime_utf8(const char *filename, struct utimbuf *times);
-int unlink_utf8(const char *filename);
-int rename_utf8(const char *oldname, const char *newname);
-HANDLE WINAPI CreateFile_utf8(const char *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile);
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif
diff --git a/src/share/win_utf8_io/win_utf8_io.c b/src/share/win_utf8_io/win_utf8_io.c
index 6cb40332..5fb7300b 100644
--- a/src/share/win_utf8_io/win_utf8_io.c
+++ b/src/share/win_utf8_io/win_utf8_io.c
@@ -33,14 +33,9 @@
 #  include <config.h>
 #endif
 
-#include <stdio.h>
-#include <sys/stat.h>
-#include <sys/utime.h>
-#include <io.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
+#include <windows.h>
 #include "share/win_utf8_io.h"
+#include "share/windows_unicode_filenames.h"
 
 #define UTF8_BUFFER_SIZE 32768