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diff --git a/rts/gmp/mpn/generic/sqr_basecase.c b/rts/gmp/mpn/generic/sqr_basecase.c
deleted file mode 100644
index 760258a..0000000
--- a/rts/gmp/mpn/generic/sqr_basecase.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* mpn_sqr_basecase -- Internal routine to square two natural numbers
-   of length m and n.
-
-   THIS IS AN INTERNAL FUNCTION WITH A MUTABLE INTERFACE.  IT IS ONLY
-   SAFE TO REACH THIS FUNCTION THROUGH DOCUMENTED INTERFACES.
-
-
-Copyright (C) 1991, 1992, 1993, 1994, 1996, 1997, 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__
-mpn_sqr_basecase (mp_ptr prodp, mp_srcptr up, mp_size_t n)
-#else
-mpn_sqr_basecase (prodp, up, n)
-     mp_ptr prodp;
-     mp_srcptr up;
-     mp_size_t n;
-#endif
-{
-  mp_size_t i;
-
-  {
-    /* N.B.!  We need the superfluous indirection through argh to work around
-       a reloader bug in GCC 2.7.*.  */
-    mp_limb_t x;
-    mp_limb_t argh;
-    x = up[0];
-    umul_ppmm (argh, prodp[0], x, x);
-    prodp[1] = argh;
-  }
-  if (n > 1)
-    {
-      mp_limb_t tarr[2 * KARATSUBA_SQR_THRESHOLD];
-      mp_ptr tp = tarr;
-      mp_limb_t cy;
-
-      /* must fit 2*n limbs in tarr */
-      ASSERT (n <= KARATSUBA_SQR_THRESHOLD);
-
-      cy = mpn_mul_1 (tp, up + 1, n - 1, up[0]);
-      tp[n - 1] = cy;
-      for (i = 2; i < n; i++)
-	{
-	  mp_limb_t cy;
-	  cy = mpn_addmul_1 (tp + 2 * i - 2, up + i, n - i, up[i - 1]);
-	  tp[n + i - 2] = cy;
-	}
-      for (i = 1; i < n; i++)
-	{
-	  mp_limb_t x;
-	  x = up[i];
-	  umul_ppmm (prodp[2 * i + 1], prodp[2 * i], x, x);
-	}
-      {
-	mp_limb_t cy;
-	cy = mpn_lshift (tp, tp, 2 * n - 2, 1);
-	cy += mpn_add_n (prodp + 1, prodp + 1, tp, 2 * n - 2);
-	prodp[2 * n - 1] += cy;
-      }
-    }
-}