diff --git a/math/libm-test.inc b/math/libm-test.inc
index 9bdbc4cb98..1020ceb1a3 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -6426,7 +6426,9 @@ sincos_test (void)
 
 #ifdef TEST_DOUBLE
   TEST_extra (sincos, 0.80190127184058835, 0.71867942238767868, 0.69534156199418473);
+  TEST_extra (sincos, 1e22, -0.8522008497671888017727058937530, 0.5232147853951389454975944733847);
 #endif
+  
 
   END (sincos);
 }
diff --git a/sysdeps/x86_64/fpu/s_sincos.S b/sysdeps/x86_64/fpu/s_sincos.S
deleted file mode 100644
index 3bc9d71f58..0000000000
--- a/sysdeps/x86_64/fpu/s_sincos.S
+++ /dev/null
@@ -1,60 +0,0 @@
-/* Compute sine and cosine of argument.
-   Copyright (C) 1997, 2000, 2001, 2005 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C 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 C 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 C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <machine/asm.h>
-#include "bp-sym.h"
-#include "bp-asm.h"
-
-#define PARMS	LINKAGE		/* no space for saved regs */
-#define ANGLE	PARMS
-#define SINP	ANGLE+12
-#define COSP	SINP+PTR_SIZE
-
-	.text
-ENTRY (BP_SYM (__sincos))
-	ENTER
-
-	movsd	%xmm0, -8(%rsp)
-	fldl	-8(%rsp)
-	fsincos
-	fnstsw	%ax
-	testl	$0x400,%eax
-	jnz	1f
-	fstpl	(%rsi)
-	fstpl	(%rdi)
-
-	LEAVE
-	retq
-
-1:	fldpi
-	fadd	%st(0)
-	fxch	%st(1)
-2:	fprem1
-	fnstsw	%ax
-	testl	$0x400,%eax
-	jnz	2b
-	fstp	%st(1)
-	fsincos
-	fstpl	(%rsi)
-	fstpl	(%rdi)
-
-	LEAVE
-	retq
-END (BP_SYM (__sincos))
-weak_alias (BP_SYM (__sincos), BP_SYM (sincos))