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diff --git a/rts/gmp/mpz/cdiv_q_ui.c b/rts/gmp/mpz/cdiv_q_ui.c
deleted file mode 100644
index 74f3a90..0000000
--- a/rts/gmp/mpz/cdiv_q_ui.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* mpz_cdiv_q_ui -- Division rounding the quotient towards +infinity.  The
-   remainder gets the opposite sign as the denominator.  In order to make it
-   always fit into the return type, the negative of the true remainder is
-   returned.
-
-Copyright (C) 1994, 1996, 1999 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"
-
-unsigned long int
-#if __STDC__
-mpz_cdiv_q_ui (mpz_ptr quot, mpz_srcptr dividend, unsigned long int divisor)
-#else
-mpz_cdiv_q_ui (quot, dividend, divisor)
-     mpz_ptr quot;
-     mpz_srcptr dividend;
-     unsigned long int divisor;
-#endif
-{
-  mp_size_t dividend_size;
-  mp_size_t size;
-  mp_ptr quot_ptr;
-  mp_limb_t remainder_limb;
-
-  if (divisor == 0)
-    DIVIDE_BY_ZERO;
-
-  dividend_size = dividend->_mp_size;
-  size = ABS (dividend_size);
-
-  if (quot->_mp_alloc < size)
-    _mpz_realloc (quot, size);
-
-  quot_ptr = quot->_mp_d;
-
-  remainder_limb = mpn_divmod_1 (quot_ptr, dividend->_mp_d, size,
-				   (mp_limb_t) divisor);
-
-  if (remainder_limb != 0 && dividend_size >= 0)
-    {
-      mpn_incr_u (quot_ptr, (mp_limb_t) 1);
-      remainder_limb = divisor - remainder_limb;
-    }
-
-  size -= size != 0 && quot_ptr[size - 1] == 0;
-  quot->_mp_size = dividend_size >= 0 ? size : -size;
-
-  return remainder_limb;
-}