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diff --git a/mesalib/src/glu/sgi/libnurbs/internals/curvesub.cc b/mesalib/src/glu/sgi/libnurbs/internals/curvesub.cc
deleted file mode 100644
index 91f2ca8ce..000000000
--- a/mesalib/src/glu/sgi/libnurbs/internals/curvesub.cc
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
-** License Applicability. Except to the extent portions of this file are
-** made subject to an alternative license as permitted in the SGI Free
-** Software License B, Version 1.1 (the "License"), the contents of this
-** file are subject only to the provisions of the License. You may not use
-** this file except in compliance with the License. You may obtain a copy
-** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
-** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
-**
-** http://oss.sgi.com/projects/FreeB
-**
-** Note that, as provided in the License, the Software is distributed on an
-** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
-** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
-** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
-** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
-**
-** Original Code. The Original Code is: OpenGL Sample Implementation,
-** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
-** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
-** Copyright in any portions created by third parties is as indicated
-** elsewhere herein. All Rights Reserved.
-**
-** Additional Notice Provisions: The application programming interfaces
-** established by SGI in conjunction with the Original Code are The
-** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
-** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
-** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
-** Window System(R) (Version 1.3), released October 19, 1998. This software
-** was created using the OpenGL(R) version 1.2.1 Sample Implementation
-** published by SGI, but has not been independently verified as being
-** compliant with the OpenGL(R) version 1.2.1 Specification.
-*/
-
-/*
- * curvesub.c++
- *
- */
-
-#include "glimports.h"
-#include "myassert.h"
-#include "mystdio.h"
-#include "subdivider.h"
-#include "renderhints.h"
-#include "backend.h"
-#include "quilt.h"
-#include "curvelist.h"
-#include "nurbsconsts.h"
-
-/*--------------------------------------------------------------------------
- * drawCurves - main curve rendering entry point
- *--------------------------------------------------------------------------
- */
-
-void
-Subdivider::drawCurves( void )
-{
- REAL from[1], to[1];
- Flist bpts;
- qlist->getRange( from, to, bpts );
-
- renderhints.init( );
-
- backend.bgncurv();
- for( int i=bpts.start; i<bpts.end-1; i++ ) {
- REAL pta, ptb;
- pta = bpts.pts[i];
- ptb = bpts.pts[i+1];
-
- qlist->downloadAll( &pta, &ptb, backend );
-
- Curvelist curvelist( qlist, pta, ptb );
- samplingSplit( curvelist, renderhints.maxsubdivisions );
- }
- backend.endcurv();
-}
-
-
-/*--------------------------------------------------------------------------
- * samplingSplit - recursively subdivide patch, cull check each subpatch
- *--------------------------------------------------------------------------
- */
-
-void
-Subdivider::samplingSplit( Curvelist& curvelist, int subdivisions )
-{
- if( curvelist.cullCheck() == CULL_TRIVIAL_REJECT ) return;
-
- curvelist.getstepsize();
-
- if( curvelist.needsSamplingSubdivision() && (subdivisions > 0) ) {
- REAL mid = ( curvelist.range[0] + curvelist.range[1] ) * 0.5;
- Curvelist lowerlist( curvelist, mid );
- samplingSplit( lowerlist, subdivisions-1 ); // lower
- samplingSplit( curvelist, subdivisions-1 ); // upper
- } else {
- long nu = 1 + ((long) (curvelist.range[2] / curvelist.stepsize));
- backend.curvgrid( curvelist.range[0], curvelist.range[1], nu );
- backend.curvmesh( 0, nu );
- }
-}
-