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diff --git a/ghc/runtime/gmp/mpz_sqrtrem.c b/ghc/runtime/gmp/mpz_sqrtrem.c
deleted file mode 100644
index c846c95..0000000
--- a/ghc/runtime/gmp/mpz_sqrtrem.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/* mpz_sqrtrem(root,rem,x) -- Set ROOT to floor(sqrt(X)) and REM
-   to the remainder, i.e. X - ROOT**2.
-
-Copyright (C) 1991 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 General Public License as published by
-the Free Software Foundation; either version 2, 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 General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with the GNU MP Library; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-#include "gmp.h"
-#include "gmp-impl.h"
-
-#ifndef BERKELEY_MP
-void
-#ifdef __STDC__
-mpz_sqrtrem (MP_INT *root, MP_INT *rem, const MP_INT *op)
-#else
-mpz_sqrtrem (root, rem, op)
-     MP_INT *root;
-     MP_INT *rem;
-     const MP_INT *op;
-#endif
-#else /* BERKELEY_MP */
-void
-#ifdef __STDC__
-msqrt (const MP_INT *op, MP_INT *root, MP_INT *rem)
-#else
-msqrt (op, root, rem)
-     const MP_INT *op;
-     MP_INT *root;
-     MP_INT *rem;
-#endif
-#endif /* BERKELEY_MP */
-{
-  mp_size op_size, root_size, rem_size;
-  mp_ptr root_ptr, op_ptr;
-  mp_ptr free_me = NULL;
-  mp_size free_me_size;
-
-  op_size = op->size;
-  if (op_size < 0)
-    op_size = 1 / (op_size > 0);	/* Divide by zero for negative OP.  */
-
-  if (rem->alloc < op_size)
-    _mpz_realloc (rem, op_size);
-
-  /* The size of the root is accurate after this simple calculation.  */
-  root_size = (op_size + 1) / 2;
-
-  root_ptr = root->d;
-  op_ptr = op->d;
-
-  if (root->alloc < root_size)
-    {
-      if (root_ptr == op_ptr)
-	{
-	  free_me = root_ptr;
-	  free_me_size = root->alloc;
-	}
-      else
-	(*_mp_free_func) (root_ptr, root->alloc * BYTES_PER_MP_LIMB);
-
-      root->alloc = root_size;
-      root_ptr = (mp_ptr) (*_mp_allocate_func) (root_size * BYTES_PER_MP_LIMB);
-      root->d = root_ptr;
-    }
-  else
-    {
-      /* Make OP not overlap with ROOT.  */
-      if (root_ptr == op_ptr)
-	{
-	  /* ROOT and OP are identical.  Allocate temporary space for OP.  */
-	  op_ptr = (mp_ptr) alloca (op_size * BYTES_PER_MP_LIMB);
-	  /* Copy to the temporary space.  Hack: Avoid temporary variable
-	   by using ROOT_PTR.  */
-	  MPN_COPY (op_ptr, root_ptr, op_size);
-	}
-    }
-
-  rem_size = mpn_sqrt (root_ptr, rem->d, op_ptr, op_size);
-
-  root->size = root_size;
-
-  /* Write remainder size last, to enable us to define this function to
-     give only the square root remainder, if the user calles if with
-     ROOT == REM.  */
-  rem->size = rem_size;
-
-  if (free_me != NULL)
-    (*_mp_free_func) (free_me, free_me_size * BYTES_PER_MP_LIMB);
-
-  alloca (0);
-}