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diff --git a/libjava/java/lang/s_sin.c b/libjava/java/lang/s_sin.c
deleted file mode 100644
index d3154555..00000000
--- a/libjava/java/lang/s_sin.c
+++ /dev/null
@@ -1,132 +0,0 @@
-
-/* @(#)s_sin.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
-FUNCTION
-        <<sin>>, <<sinf>>, <<cos>>, <<cosf>>---sine or cosine
-INDEX
-sin
-INDEX
-sinf
-INDEX
-cos
-INDEX
-cosf
-ANSI_SYNOPSIS
-        #include <math.h>
-        double sin(double <[x]>);
-        float  sinf(float <[x]>);
-        double cos(double <[x]>);
-        float cosf(float <[x]>);
-
-TRAD_SYNOPSIS
-        #include <math.h>
-        double sin(<[x]>)
-        double <[x]>;
-        float  sinf(<[x]>)
-        float <[x]>;
-
-        double cos(<[x]>)
-        double <[x]>;
-        float cosf(<[x]>)
-        float <[x]>;
-
-DESCRIPTION
-	<<sin>> and <<cos>> compute (respectively) the sine and cosine
-	of the argument <[x]>.  Angles are specified in radians.
-
-	<<sinf>> and <<cosf>> are identical, save that they take and
-	return <<float>> values.
-
-
-RETURNS
-	The sine or cosine of <[x]> is returned.
-
-PORTABILITY
-	<<sin>> and <<cos>> are ANSI C.
-	<<sinf>> and <<cosf>> are extensions.
-
-QUICKREF
-	sin ansi pure
-	sinf - pure
-*/
-
-/* sin(x)
- * Return sine function of x.
- *
- * kernel function:
- *	__kernel_sin		... sine function on [-pi/4,pi/4]
- *	__kernel_cos		... cose function on [-pi/4,pi/4]
- *	__ieee754_rem_pio2	... argument reduction routine
- *
- * Method.
- *      Let S,C and T denote the sin, cos and tan respectively on
- *	[-PI/4, +PI/4]. Reduce the argument x to y1+y2 = x-k*pi/2
- *	in [-pi/4 , +pi/4], and let n = k mod 4.
- *	We have
- *
- *          n        sin(x)      cos(x)        tan(x)
- *     ----------------------------------------------------------
- *	    0	       S	   C		 T
- *	    1	       C	  -S		-1/T
- *	    2	      -S	  -C		 T
- *	    3	      -C	   S		-1/T
- *     ----------------------------------------------------------
- *
- * Special cases:
- *      Let trig be any of sin, cos, or tan.
- *      trig(+-INF)  is NaN, with signals;
- *      trig(NaN)    is that NaN;
- *
- * Accuracy:
- *	TRIG(x) returns trig(x) nearly rounded
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-	double sin(double x)
-#else
-	double sin(x)
-	double x;
-#endif
-{
-	double y[2],z=0.0;
-	int32_t n,ix;
-
-    /* High word of x. */
-	GET_HIGH_WORD(ix,x);
-
-    /* |x| ~< pi/4 */
-	ix &= 0x7fffffff;
-	if(ix <= 0x3fe921fb) return __kernel_sin(x,z,0);
-
-    /* sin(Inf or NaN) is NaN */
-	else if (ix>=0x7ff00000) return x-x;
-
-    /* argument reduction needed */
-	else {
-	    n = __ieee754_rem_pio2(x,y);
-	    switch(n&3) {
-		case 0: return  __kernel_sin(y[0],y[1],1);
-		case 1: return  __kernel_cos(y[0],y[1]);
-		case 2: return -__kernel_sin(y[0],y[1],1);
-		default:
-			return -__kernel_cos(y[0],y[1]);
-	    }
-	}
-}
-
-#endif /* _DOUBLE_IS_32BITS */