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diff --git a/rts/gmp/mpn/arm/mul_1.S b/rts/gmp/mpn/arm/mul_1.S
deleted file mode 100644
index bae526a..0000000
--- a/rts/gmp/mpn/arm/mul_1.S
+++ /dev/null
@@ -1,81 +0,0 @@
-@ ARM mpn_addmul_1 -- Multiply a limb vector with a limb and store the result
-@ in a second limb vector.
-@ Contributed by Robert Harley.
-
-@ Copyright (C) 1998, 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.
-
-#define p r0
-#define a r1
-#define n r2
-#define w r3
-
-#define sl r10
-#define fp r11
-#define ip r12
-#define sp r13
-#define lr r14
-#define pc r15
-
-.text
-	.align	0
-	.global	__gmpn_mul_1
-	.type	__gmpn_mul_1,%function
-__gmpn_mul_1:
-	stmfd	sp!, { r8, r9, lr }
-	ands	ip, n, #1
-	beq	skip1
-	ldr	lr, [a], #4
-	umull	r9, ip, w, lr
-	str	r9, [p], #4
-skip1:
-	tst	n, #2
-	beq	skip2
-	mov	r8, ip
-	ldmia	a!, { ip, lr }
-	mov	r9, #0
-	umlal	r8, r9, w, ip
-	mov	ip, #0
-	umlal	r9, ip, w, lr
-	stmia	p!, { r8, r9 }
-skip2:
-	bics	n, n, #3
-	beq	return
-	stmfd	sp!, { r6, r7 }
-mul_1_loop:
-	mov	r6, ip
-	ldmia	a!, { r8, r9, ip, lr }
-	ldr	r7, [p] /* Bring stuff into cache. */
-	mov	r7, #0
-	umlal	r6, r7, w, r8
-	mov	r8, #0
-	umlal	r7, r8, w, r9
-	mov	r9, #0
-	umlal	r8, r9, w, ip
-	mov	ip, #0
-	umlal	r9, ip, w, lr
-	subs	n, n, #4
-	stmia	p!, { r6, r7, r8, r9 }
-	bne	mul_1_loop
-	ldmfd	sp!, { r6, r7 }
-return:
-	mov	r0, ip
-	ldmfd	sp!, { r8, r9, pc }
-end:
-	.size	__gmpn_mul_1, end - __gmpn_mul_1