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diff --git a/rts/gmp/mpz/tdiv_r.c b/rts/gmp/mpz/tdiv_r.c
deleted file mode 100644
index 9eb87df..0000000
--- a/rts/gmp/mpz/tdiv_r.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* mpz_tdiv_r(rem, dividend, divisor) -- Set REM to DIVIDEND mod DIVISOR.
-
-Copyright (C) 1991, 1993, 1994, 2000 Free Software Foundation, Inc.
-
-This file is part of the GNU MP Library.
-
-The GNU MP Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or (at your
-option) any later version.
-
-The GNU MP Library 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 Lesser General Public
-License for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-MA 02111-1307, USA. */
-
-#include "gmp.h"
-#include "gmp-impl.h"
-#include "longlong.h"
-
-void
-#if __STDC__
-mpz_tdiv_r (mpz_ptr rem, mpz_srcptr num, mpz_srcptr den)
-#else
-mpz_tdiv_r (rem, num, den)
-     mpz_ptr rem;
-     mpz_srcptr num;
-     mpz_srcptr den;
-#endif
-{
-  mp_size_t ql;
-  mp_size_t ns, ds, nl, dl;
-  mp_ptr np, dp, qp, rp;
-  TMP_DECL (marker);
-
-  ns = SIZ (num);
-  ds = SIZ (den);
-  nl = ABS (ns);
-  dl = ABS (ds);
-  ql = nl - dl + 1;
-
-  if (dl == 0)
-    DIVIDE_BY_ZERO;
-
-  MPZ_REALLOC (rem, dl);
-
-  if (ql <= 0)
-    {
-      if (num != rem)
-	{
-	  mp_ptr np, rp;
-	  np = PTR (num);
-	  rp = PTR (rem);
-	  MPN_COPY (rp, np, nl);
-	  SIZ (rem) = SIZ (num);
-	}
-      return;
-    }
-
-  TMP_MARK (marker);
-  qp = (mp_ptr) TMP_ALLOC (ql * BYTES_PER_MP_LIMB);
-  rp = PTR (rem);
-  np = PTR (num);
-  dp = PTR (den);
-
-  /* FIXME: We should think about how to handle the temporary allocation.
-     Perhaps mpn_tdiv_qr should handle it, since it anyway often needs to
-     allocate temp space.  */
-
-  /* Copy denominator to temporary space if it overlaps with the remainder.  */
-  if (dp == rp)
-    {
-      mp_ptr tp;
-      tp = (mp_ptr) TMP_ALLOC (dl * BYTES_PER_MP_LIMB);
-      MPN_COPY (tp, dp, dl);
-      dp = tp;
-    }
-  /* Copy numerator to temporary space if it overlaps with the remainder.  */
-  if (np == rp)
-    {
-      mp_ptr tp;
-      tp = (mp_ptr) TMP_ALLOC (nl * BYTES_PER_MP_LIMB);
-      MPN_COPY (tp, np, nl);
-      np = tp;
-    }
-
-  mpn_tdiv_qr (qp, rp, 0L, np, nl, dp, dl);
-
-  MPN_NORMALIZE (rp, dl);
-
-  SIZ (rem) = ns >= 0 ? dl : -dl;
-  TMP_FREE (marker);
-}