diff --git a/include/stdckdint.h b/include/stdckdint.h
deleted file mode 100755
index 7a0d6a8..0000000
--- a/include/stdckdint.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*===---- stdckdint.h - Standard header for checking integer----------------===
- *
- * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
- * See https://llvm.org/LICENSE.txt for license information.
- * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- *
- *===-----------------------------------------------------------------------===
- */
- 
-#ifndef __STDCKDINT_H
-#define __STDCKDINT_H
- 
-/* If we're hosted, fall back to the system's stdckdint.h. FreeBSD, for
- * example, already has a Clang-compatible stdckdint.h header.
- *
- * The `stdckdint.h` header requires C 23 or newer.
- */
-#if __STDC_HOSTED__ && __has_include_next(<stdckdint.h>)
-#include_next <stdckdint.h>
-#else
- 
-/* C23 7.20.1 Defines several macros for performing checked integer arithmetic*/
- 
-#define __STDC_VERSION_STDCKDINT_H__ 202311L
- 
-// Both A and B shall be any integer type other than "plain" char, bool, a bit-
-// precise integer type, or an enumerated type, and they need not be the same.
- 
-// R shall be a modifiable lvalue of any integer type other than "plain" char,
-// bool, a bit-precise integer type, or an enumerated type. It shouldn't be
-// short type, either. Otherwise, it may be unable to hold two the result of
-// operating two 'int's.
- 
-// A diagnostic message will be produced if A or B are not suitable integer
-// types, or if R is not a modifiable lvalue of a suitable integer type or R
-// is short type.
-#define ckd_add(R, A, B) __builtin_add_overflow((A), (B), (R))
-#define ckd_sub(R, A, B) __builtin_sub_overflow((A), (B), (R))
-#define ckd_mul(R, A, B) __builtin_mul_overflow((A), (B), (R))
- 
-#endif /* __STDC_HOSTED__ */
-#endif /* __STDCKDINT_H */