diff --git a/include/llvm/Config/alloca.h b/include/llvm/Config/alloca.h
deleted file mode 100644
index 9990507ef07..00000000000
--- a/include/llvm/Config/alloca.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *                     The LLVM Compiler Infrastructure
- *
- * This file is distributed under the University of Illinois Open Source
- * License. See LICENSE.TXT for details.
- *
- ******************************************************************************
- *
- * Description:
- *  This header file includes the infamous alloc.h header file if the
- *  autoconf system has found it.  It hides all of the autoconf details
- *  from the rest of the application source code.
- */
-
-#ifndef _CONFIG_ALLOC_H
-#define _CONFIG_ALLOC_H
-
-#include "llvm/Config/config.h"
-
-/*
- * This is a modified version of that suggested by the Autoconf manual.
- *  1) The #pragma is indented so that pre-ANSI C compilers ignore it.
- *  2) If alloca.h cannot be found, then try stdlib.h.  Some platforms
- *     (notably FreeBSD) defined alloca() there.
- */
-#ifdef _MSC_VER
-#include <malloc.h>
-#define alloca _alloca
-#elif defined(HAVE_ALLOCA_H)
-#include <alloca.h>
-#elif defined(__MINGW32__) && defined(HAVE_MALLOC_H)
-#include <malloc.h>
-#elif !defined(__GNUC__)
-# ifdef _AIX
-#   pragma alloca
-# else
-#   ifndef alloca
-      char * alloca ();
-#   endif
-# endif
-#else
-# ifdef HAVE_STDLIB_H
-#   include <stdlib.h>
-# else
-#   error "The function alloca() is required but not found!"
-# endif
-#endif
-
-#endif