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diff --git a/rts/gmp/mpn/mips2/sub_n.s b/rts/gmp/mpn/mips2/sub_n.s
deleted file mode 100644
index 51d34f3..0000000
--- a/rts/gmp/mpn/mips2/sub_n.s
+++ /dev/null
@@ -1,120 +0,0 @@
- # MIPS2 __gmpn_sub_n -- Subtract two limb vectors of the same length > 0 and
- # store difference in a third limb vector.
-
- # Copyright (C) 1995, 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.
-
-
- # INPUT PARAMETERS
- # res_ptr	$4
- # s1_ptr	$5
- # s2_ptr	$6
- # size		$7
-
-	.text
-	.align	2
-	.globl	__gmpn_sub_n
-	.ent	__gmpn_sub_n
-__gmpn_sub_n:
-	.set	noreorder
-	.set	nomacro
-
-	lw	$10,0($5)
-	lw	$11,0($6)
-
-	addiu	$7,$7,-1
-	and	$9,$7,4-1	# number of limbs in first loop
-	beq	$9,$0,.L0	# if multiple of 4 limbs, skip first loop
-	 move	$2,$0
-
-	subu	$7,$7,$9
-
-.Loop0:	addiu	$9,$9,-1
-	lw	$12,4($5)
-	addu	$11,$11,$2
-	lw	$13,4($6)
-	sltu	$8,$11,$2
-	subu	$11,$10,$11
-	sltu	$2,$10,$11
-	sw	$11,0($4)
-	or	$2,$2,$8
-
-	addiu	$5,$5,4
-	addiu	$6,$6,4
-	move	$10,$12
-	move	$11,$13
-	bne	$9,$0,.Loop0
-	 addiu	$4,$4,4
-
-.L0:	beq	$7,$0,.Lend
-	 nop
-
-.Loop:	addiu	$7,$7,-4
-
-	lw	$12,4($5)
-	addu	$11,$11,$2
-	lw	$13,4($6)
-	sltu	$8,$11,$2
-	subu	$11,$10,$11
-	sltu	$2,$10,$11
-	sw	$11,0($4)
-	or	$2,$2,$8
-
-	lw	$10,8($5)
-	addu	$13,$13,$2
-	lw	$11,8($6)
-	sltu	$8,$13,$2
-	subu	$13,$12,$13
-	sltu	$2,$12,$13
-	sw	$13,4($4)
-	or	$2,$2,$8
-
-	lw	$12,12($5)
-	addu	$11,$11,$2
-	lw	$13,12($6)
-	sltu	$8,$11,$2
-	subu	$11,$10,$11
-	sltu	$2,$10,$11
-	sw	$11,8($4)
-	or	$2,$2,$8
-
-	lw	$10,16($5)
-	addu	$13,$13,$2
-	lw	$11,16($6)
-	sltu	$8,$13,$2
-	subu	$13,$12,$13
-	sltu	$2,$12,$13
-	sw	$13,12($4)
-	or	$2,$2,$8
-
-	addiu	$5,$5,16
-	addiu	$6,$6,16
-
-	bne	$7,$0,.Loop
-	 addiu	$4,$4,16
-
-.Lend:	addu	$11,$11,$2
-	sltu	$8,$11,$2
-	subu	$11,$10,$11
-	sltu	$2,$10,$11
-	sw	$11,0($4)
-	j	$31
-	or	$2,$2,$8
-
-	.end	__gmpn_sub_n