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diff --git a/src/cml/mathlib/projection.h b/src/cml/mathlib/projection.h
deleted file mode 100644
index 7996851..0000000
--- a/src/cml/mathlib/projection.h
+++ /dev/null
@@ -1,142 +0,0 @@
-/* -*- C++ -*- ------------------------------------------------------------
- 
-Copyright (c) 2007 Jesse Anders and Demian Nave http://cmldev.net/
-
-The Configurable Math Library (CML) is distributed under the terms of the
-Boost Software License, v1.0 (see cml/LICENSE for details).
-
- *-----------------------------------------------------------------------*/
-/** @file
- *  @brief
- */
-
-#ifndef projection_h
-#define projection_h
-
-#include <cml/mathlib/matrix_concat.h>
-#include <cml/mathlib/vector_transform.h>
-
-/* Functions for projection and 'unprojection' of points in 3D. */
-
-namespace cml {
-
-namespace detail {
-
-template < typename E > void
-divide_by_w(vector< E,fixed<4> >& v) {
-    v *= E(1) / v[3];
-}
-
-} // namespace detail
-
-/* Project a point to screen space using the given model, view, projection,
- * and viewport matrices. The z value of the returned point is a depth value
- * in the range specified by the viewport matrix.
- */
-
-template <class MatT_1, class MatT_2, class MatT_3, class MatT_4, class VecT>
-vector< typename VecT::value_type, fixed<3> > project_point(
-    const MatT_1& model,
-    const MatT_2& view,
-    const MatT_3& projection,
-    const MatT_4& viewport,
-    const VecT& p)
-{
-    return project_point(
-        detail::matrix_concat_transforms_4x4(model,view),
-        projection,
-        viewport,
-        p
-    );
-}
-
-/* Project a point to screen space using the given modelview, projection, and
- * viewport matrices. The z value of the returned point is a depth value in
- * the range specified by the viewport matrix.
- */
-
-template < class MatT_1, class MatT_2, class MatT_3, class VecT >
-vector< typename VecT::value_type, fixed<3> > project_point(
-    const MatT_1& modelview,
-    const MatT_2& projection,
-    const MatT_3& viewport,
-    const VecT& p)
-{
-    typedef vector< typename VecT::value_type, fixed<3> > vector3_type;
-    typedef vector< typename VecT::value_type, fixed<4> > vector4_type;
-    typedef typename vector3_type::value_type value_type;
-
-    detail::CheckVec3(p);
-
-    vector4_type result = transform_vector_4D(
-        detail::matrix_concat_transforms_4x4(
-            modelview,
-            detail::matrix_concat_transforms_4x4(
-                projection,
-                viewport
-            )
-        ),
-        vector4_type(p[0],p[1],p[2],value_type(1))
-    );
-    detail::divide_by_w(result);
-    return vector3_type(result[0],result[1],result[2]);
-}
-
-/* 'Unproject' a point from screen space using the given model, view,
- * projection, and viewport matrices. The z value of the input point is a
- * depth value in the range specified by the viewport matrix.
- */
-
-template <class MatT_1, class MatT_2, class MatT_3, class MatT_4, class VecT>
-vector< typename VecT::value_type, fixed<3> > unproject_point(
-    const MatT_1& model,
-    const MatT_2& view,
-    const MatT_3& projection,
-    const MatT_4& viewport,
-    const VecT& p)
-{
-    return unproject_point(
-        detail::matrix_concat_transforms_4x4(model,view),
-        projection,
-        viewport,
-        p
-    );
-}
-
-/* 'Unproject' a point from screen space using the given modelview,
- * projection, and viewport matrices. The z value of the input point is a
- * depth value in the range specified by the viewport matrix.
- */
- 
-template < class MatT_1, class MatT_2, class MatT_3, class VecT >
-vector< typename VecT::value_type, fixed<3> > unproject_point(
-    const MatT_1& modelview,
-    const MatT_2& projection,
-    const MatT_3& viewport,
-    const VecT& p)
-{
-    typedef vector< typename VecT::value_type, fixed<3> > vector3_type;
-    typedef vector< typename VecT::value_type, fixed<4> > vector4_type;
-    typedef typename vector3_type::value_type value_type;
-
-    detail::CheckVec3(p);
-
-    vector4_type result = transform_vector_4D(
-        inverse(
-            detail::matrix_concat_transforms_4x4(
-                modelview,
-                detail::matrix_concat_transforms_4x4(
-                    projection,
-                    viewport
-                )
-            )
-        ),
-        vector4_type(p[0],p[1],p[2],value_type(1))
-    );
-    detail::divide_by_w(result);
-    return vector3_type(result[0],result[1],result[2]);
-}
-
-} // namespace cml
-
-#endif