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diff --git a/rts/gmp/mpn/x86/diveby3.asm b/rts/gmp/mpn/x86/diveby3.asm
deleted file mode 100644
index df879da..0000000
--- a/rts/gmp/mpn/x86/diveby3.asm
+++ /dev/null
@@ -1,115 +0,0 @@
-dnl  x86 mpn_divexact_by3 -- mpn division by 3, expecting no remainder.
-
-
-dnl  Copyright (C) 2000 Free Software Foundation, Inc.
-dnl 
-dnl  This file is part of the GNU MP Library.
-dnl 
-dnl  The GNU MP Library is free software; you can redistribute it and/or
-dnl  modify it under the terms of the GNU Lesser General Public License as
-dnl  published by the Free Software Foundation; either version 2.1 of the
-dnl  License, or (at your option) any later version.
-dnl 
-dnl  The GNU MP Library is distributed in the hope that it will be useful,
-dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
-dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-dnl  Lesser General Public License for more details.
-dnl 
-dnl  You should have received a copy of the GNU Lesser General Public
-dnl  License along with the GNU MP Library; see the file COPYING.LIB.  If
-dnl  not, write to the Free Software Foundation, Inc., 59 Temple Place -
-dnl  Suite 330, Boston, MA 02111-1307, USA.
-
-
-dnl  The following all have their own optimized versions of this routine,
-dnl  but for reference the code here runs as follows.
-dnl
-dnl       cycles/limb
-dnl  P54     18.0
-dnl  P55     17.0
-dnl  P6      14.5
-dnl  K6      14.0
-dnl  K7      10.0
-
-
-include(`../config.m4')
-
-
-C mp_limb_t mpn_divexact_by3c (mp_ptr dst, mp_srcptr src, mp_size_t size,
-C                              mp_limb_t carry);
-
-defframe(PARAM_CARRY,16)
-defframe(PARAM_SIZE, 12)
-defframe(PARAM_SRC,   8)
-defframe(PARAM_DST,   4)
-
-dnl  multiplicative inverse of 3, modulo 2^32
-deflit(INVERSE_3,       0xAAAAAAAB)
-
-dnl  ceil(b/3) and ceil(b*2/3) where b=2^32
-deflit(ONE_THIRD_CEIL,  0x55555556)
-deflit(TWO_THIRDS_CEIL, 0xAAAAAAAB)
-
-	.text
-	ALIGN(8)
-
-PROLOGUE(mpn_divexact_by3c)
-deflit(`FRAME',0)
-
-	movl	PARAM_SRC, %ecx
-	pushl	%ebp		FRAME_pushl()
-
-	movl	PARAM_SIZE, %ebp
-	pushl	%edi		FRAME_pushl()
-
-	movl	PARAM_DST, %edi
-	pushl	%esi		FRAME_pushl()
-
-	movl	$INVERSE_3, %esi
-	pushl	%ebx		FRAME_pushl()
-
-	leal	(%ecx,%ebp,4), %ecx
-	movl	PARAM_CARRY, %ebx
-
-	leal	(%edi,%ebp,4), %edi
-	negl	%ebp
-
-
-	ALIGN(8)
-L(top):
-	C eax	scratch, low product
-	C ebx	carry limb (0 to 3)
-	C ecx	&src[size]
-	C edx	scratch, high product
-	C esi	multiplier
-	C edi	&dst[size]
-	C ebp	counter, limbs, negative
-
-	movl	(%ecx,%ebp,4), %eax
-
-	subl	%ebx, %eax
-
-	setc	%bl
-
-	imull	%esi
-
-	cmpl	$ONE_THIRD_CEIL, %eax
-	movl	%eax, (%edi,%ebp,4)
-
-	sbbl	$-1, %ebx	C +1 if eax>=ceil(b/3)
-	cmpl	$TWO_THIRDS_CEIL, %eax
-
-	sbbl	$-1, %ebx	C +1 if eax>=ceil(b*2/3)
-	incl	%ebp
-
-	jnz	L(top)
-
-
-	movl	%ebx, %eax
-	popl	%ebx
-	popl	%esi
-	popl	%edi
-	popl	%ebp
-	ret
-
-EPILOGUE()