--- libmalloc/libmalloc-715.100.22/include/malloc/_ptrcheck.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright (c) 2023 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-#ifndef _MALLOC_UNDERSCORE_PTRCHECK_H_
-#define _MALLOC_UNDERSCORE_PTRCHECK_H_
-
-#if __has_include(<ptrcheck.h>)
-#include <ptrcheck.h>
-#else
-#define __has_ptrcheck 0
-#define __single
-#define __unsafe_indexable
-#define __counted_by(N)
-#define __counted_by_or_null(N)
-#define __sized_by(N)
-#define __sized_by_or_null(N)
-#define __ended_by(E)
-#define __terminated_by(T)
-#define __null_terminated
-#define __ptrcheck_abi_assume_single()
-#endif
-
-#endif /* _MALLOC_UNDERSCORE_PTRCHECK_H_ */