diff --git a/include/libc/libc_stdio.h b/include/libc/libc_stdio.h
deleted file mode 100644
index 565e1bfd32368bde794618310557cde7565798fd..0000000000000000000000000000000000000000
--- a/include/libc/libc_stdio.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2020-09-05     Meco Man     the first version
- */
-
-#ifndef LIBC_STDIO_H__
-#define LIBC_STDIO_H__
-
-#include <rtconfig.h>
-
-#ifdef RT_USING_POSIX_GETLINE
-
-#include <posix_getline.h>
-
-#endif
-
-#endif
diff --git a/include/rtlibc.h b/include/rtlibc.h
index 1fd6053debf7b5e3a8273556dccdca7551da1b60..d78ec8046faa30cbf9aa3e37058d07ddf3ee8cd8 100644
--- a/include/rtlibc.h
+++ b/include/rtlibc.h
@@ -18,7 +18,6 @@
 #include "libc/libc_dirent.h"
 #include "libc/libc_signal.h"
 #include "libc/libc_fdset.h"
-#include "libc/libc_stdio.h"
 
 #ifndef RT_USING_LIBC
 #if defined(__CC_ARM) || defined(__CLANG_ARM) || defined(__IAR_SYSTEMS_ICC__)