diff --git a/src/ia64/unw_step.c b/src/ia64/unw_step.c
deleted file mode 100644
index 43b7f554..00000000
--- a/src/ia64/unw_step.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/* libunwind - a platform-independent unwind library
-   Copyright (C) 2001-2002 Hewlett-Packard Co
-	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
-
-This file is part of libunwind.
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
-
-#include "offsets.h"
-#include "rse.h"
-#include "unwind_i.h"
-
-static inline int
-update_frame_state (struct ia64_cursor *c)
-{
-  unw_word_t prev_ip, prev_sp, prev_bsp, ip, pr, num_regs, cfm;
-  int ret;
-
-  prev_ip = c->ip;
-  prev_sp = c->sp;
-  prev_bsp = c->bsp;
-
-  c->cfm_loc = c->pfs_loc;
-
-  num_regs = 0;
-  if ((c->pi.flags & IA64_FLAG_SIGTRAMP) != 0)
-    {
-      ret = ia64_get (c, c->sp + 0x10 + SIGFRAME_ARG2_OFF, &c->sigcontext_loc);
-      debug (100, "%s: sigcontext_loc=%lx (ret=%d)\n",
-	     __FUNCTION__, c->sigcontext_loc, ret);
-      if (ret < 0)
-	return ret;
-
-      if (c->ip_loc == c->sigcontext_loc + SIGCONTEXT_BR_OFF + 0*8)
-	{
-	  /* Earlier kernels (before 2.4.19 and 2.5.10) had buggy
-	     unwind info for sigtramp.  Fix it up here.  */
-	  c->ip_loc  = (c->sigcontext_loc + SIGCONTEXT_IP_OFF);
-	  c->cfm_loc = (c->sigcontext_loc + SIGCONTEXT_CFM_OFF);
-	}
-
-      /* do what can't be described by unwind directives: */
-      c->pfs_loc = (c->sigcontext_loc + SIGCONTEXT_AR_PFS_OFF);
-
-      ret = ia64_get (c, c->cfm_loc, &cfm);
-      if (ret < 0)
-	return ret;
-
-      num_regs = cfm & 0x7f;		/* size of frame */
-    }
-  else
-    {
-      ret = ia64_get (c, c->cfm_loc, &cfm);
-      if (ret < 0)
-	return ret;
-      num_regs = (cfm >> 7) & 0x7f;	/* size of locals */
-    }
-  c->bsp = ia64_rse_skip_regs (c->bsp, -num_regs);
-
-  /* update the IP cache: */
-  ret = ia64_get (c, c->ip_loc, &ip);
-  if (ret < 0)
-    return ret;
-  c->ip = ip;
-
-  if ((ip & 0xc) != 0)
-    {
-      /* don't let obviously bad addresses pollute the cache */
-      debug (1, "%s: rejecting bad ip=0x%lx\n",  __FUNCTION__, (long) c->ip);
-      return -UNW_EINVALIDIP;
-    }
-  if (ip == 0)
-    /* end of frame-chain reached */
-    return 0;
-
-  pr = c->pr;
-  c->sp = c->psp;
-
-  if (c->ip == prev_ip && c->sp == prev_sp && c->bsp == prev_bsp)
-    {
-      dprintf ("%s: ip, sp, and bsp unchanged; stopping here (ip=0x%lx)\n",
-	       __FUNCTION__, (long) ip);
-      return -UNW_EBADFRAME;
-    }
-
-  /* as we unwind, the saved ar.unat becomes the primary unat: */
-  c->pri_unat_loc = c->unat_loc;
-
-  /* restore the predicates: */
-  ret = ia64_get (c, c->pr_loc, &c->pr);
-  if (ret < 0)
-    return ret;
-
-  return ia64_make_proc_info (c);
-}
-
-
-int
-unw_step (unw_cursor_t *cursor)
-{
-  struct ia64_cursor *c = (struct ia64_cursor *) cursor;
-  int ret;
-
-  ret = ia64_find_save_locs (c);
-  if (ret < 0)
-    return ret;
-
-  ret = update_frame_state (c);
-  if (ret < 0)
-    return ret;
-
-  return (c->ip == 0) ? 0 : 1;
-}