--- dyld/dyld-1340/cache_builder/Error.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
-*
-* Copyright (c) 2017 Apple 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 Error_hpp
-#define Error_hpp
-
-#include "Defines.h"
-
-#include <stdarg.h>
-
-namespace error
-{
-
-/*!
- * @class Error
- *
- * @abstract
- *      Class for capturing error messages.
- *      Can be constructed with printf style format strings.
- *      Returned by mach-o "valid" methods.
- */
-class VIS_HIDDEN [[nodiscard]] Error
-{
-public:
-                    Error() = default;
-                    Error(const char* format, ...)  __attribute__((format(printf, 2, 3)));
-                    Error(const Error&) = delete;  // can't copy
-                    Error(Error&&); // can move
-                    Error& operator=(const Error&) = delete; //  can't copy assign
-                    Error& operator=(Error&&); // can move
-                    ~Error();
-
-
-    bool            hasError() const { return (_buffer != nullptr); }
-    bool            noError() const  { return (_buffer == nullptr); }
-    explicit        operator bool() const { return hasError(); }
-    const char*     message() const;
-    bool            messageContains(const char* subString) const;
-
-    static Error    none() { return Error(); }
-
-private:
-
-    void*           _buffer = nullptr;
-};
-
-} // namespace error
-
-#endif /* Error_hpp */