diff --git a/kern/crypto.c b/kern/crypto.c
deleted file mode 100644
index d097e1668..000000000
--- a/kern/crypto.c
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- *  GRUB  --  GRand Unified Bootloader
- *  Copyright (C) 1999, 2001, 2002, 2003, 2007, 
- *                2008, 2009   Free Software Foundation, Inc.
- *
- *  GRUB is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  GRUB is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
- */
-#include <grub/crypto.h>
-#include <grub/misc.h>
-#include <grub/mm.h>
-
-gcry_cipher_spec_t *grub_ciphers = NULL;
-gcry_md_spec_t *grub_digests = NULL;
-
-/* Based on libgcrypt-1.4.4/src/misc.c.  */
-void
-grub_burn_stack (grub_size_t size)
-{
-  char buf[64];
-
-  grub_memset (buf, 0, sizeof (buf));
-  if (size > sizeof (buf))
-    grub_burn_stack (size - sizeof (buf));
-}