diff --git a/include/osg/OpenGL b/include/osg/OpenGL
deleted file mode 100644
index 59ff6fc0b..000000000
--- a/include/osg/OpenGL
+++ /dev/null
@@ -1,189 +0,0 @@
-/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2009 Robert Osfield
- *
- * This library is open source and may be redistributed and/or modified under
- * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
- * (at your option) any later version.  The full license is in LICENSE file
- * included with this distribution, and on the openscenegraph.org website.
- *
- * This 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
- * OpenSceneGraph Public License for more details.
-*/
-
-#ifndef OSG_OPENGL
-#define OSG_OPENGL 1
-
-#include <osg/Config>
-#include <osg/Export>
-
-#define OSG_GL1_AVAILABLE
-#define OSG_GL2_AVAILABLE
-/* #undef OSG_GL3_AVAILABLE */
-/* #undef OSG_GLES1_AVAILABLE */
-/* #undef OSG_GLES2_AVAILABLE */
-/* #undef OSG_GL_LIBRARY_STATIC */
-#define OSG_GL_DISPLAYLISTS_AVAILABLE
-#define OSG_GL_MATRICES_AVAILABLE
-#define OSG_GL_VERTEX_FUNCS_AVAILABLE
-#define OSG_GL_VERTEX_ARRAY_FUNCS_AVAILABLE
-#define OSG_GL_FIXED_FUNCTION_AVAILABLE
-
-#define OSG_GL1_FEATURES true
-#define OSG_GL2_FEATURES true
-#define OSG_GL3_FEATURES false
-#define OSG_GLES1_FEATURES false
-#define OSG_GLES2_FEATURES false
-
-#ifndef WIN32
-
-    // Required for compatibility with glext.h sytle function definitions of
-    // OpenGL extensions, such as in src/osg/Point.cpp.
-    #ifndef APIENTRY
-        #define APIENTRY
-    #endif
-
-#else // WIN32
-
-    #if defined(__CYGWIN__) || defined(__MINGW32__)
-
-        #ifndef APIENTRY
-                #define GLUT_APIENTRY_DEFINED
-                #define APIENTRY __stdcall
-        #endif
-            // XXX This is from Win32's <windef.h>
-        #ifndef CALLBACK
-            #define CALLBACK __stdcall
-        #endif
-
-    #else // ! __CYGWIN__
-
-        // Under Windows avoid including <windows.h>
-        // to avoid name space pollution, but Win32's <GL/gl.h>
-        // needs APIENTRY and WINGDIAPI defined properly.
-        // XXX This is from Win32's <windef.h>
-        #ifndef APIENTRY
-            #define GLUT_APIENTRY_DEFINED
-            #if (_MSC_VER >= 800) || defined(_STDCALL_SUPPORTED)
-                #define WINAPI __stdcall
-                #define APIENTRY WINAPI
-            #else
-                #define APIENTRY
-            #endif
-        #endif
-
-            // XXX This is from Win32's <windef.h>
-        #ifndef CALLBACK
-            #if (_MSC_VER >= 800) || defined(_STDCALL_SUPPORTED)
-                #define CALLBACK __stdcall
-            #else
-                #define CALLBACK
-            #endif
-        #endif
-
-    #endif // __CYGWIN__
-
-    // XXX This is from Win32's <wingdi.h> and <winnt.h>
-    #ifndef WINGDIAPI
-        #define GLUT_WINGDIAPI_DEFINED
-        #define DECLSPEC_IMPORT __declspec(dllimport)
-        #define WINGDIAPI DECLSPEC_IMPORT
-    #endif
-
-    // XXX This is from Win32's <ctype.h>
-    #if !defined(_WCHAR_T_DEFINED) && !(defined(__GNUC__)&&((__GNUC__ == 3)||(__GNUC__ == 4)))
-        typedef unsigned short wchar_t;
-        #define _WCHAR_T_DEFINED
-    #endif
-
-#endif // WIN32
-
-#if defined(OSG_GL3_AVAILABLE)
-    #define GL3_PROTOTYPES 1
-    #define GL_GLEXT_PROTOTYPES 1
-#endif
-
-
-#include <GL/gl.h>
-
-
-
-#ifndef GL_APIENTRY
-    #define GL_APIENTRY APIENTRY
-#endif // GL_APIENTRY
-
-
-#if !defined(GL_VERSION_3_1)
-    #ifdef _WIN32
-        typedef          __int64 GLint64;
-        typedef unsigned __int64 GLuint64;
-    #else
-        typedef long long int GLint64;
-        typedef unsigned long long int GLuint64;
-    #endif
-#endif
-
-#ifdef OSG_GL_MATRICES_AVAILABLE
-
-    inline void glLoadMatrix(const float* mat) { glLoadMatrixf(static_cast<const GLfloat*>(mat)); }
-    inline void glMultMatrix(const float* mat) { glMultMatrixf(static_cast<const GLfloat*>(mat)); }
-
-    #ifdef OSG_GLES1_AVAILABLE
-        inline void glLoadMatrix(const double* mat)
-        {
-            GLfloat flt_mat[16];
-            for(unsigned int i=0;i<16;++i) flt_mat[i] = mat[i];
-            glLoadMatrixf(flt_mat);
-        }
-
-        inline void glMultMatrix(const double* mat)
-        {
-            GLfloat flt_mat[16];
-            for(unsigned int i=0;i<16;++i) flt_mat[i] = mat[i];
-            glMultMatrixf(flt_mat);
-        }
-
-    #else
-        inline void glLoadMatrix(const double* mat) { glLoadMatrixd(static_cast<const GLdouble*>(mat)); }
-        inline void glMultMatrix(const double* mat) { glMultMatrixd(static_cast<const GLdouble*>(mat)); }
-    #endif
-#endif
-
-// add defines for OpenGL targets that don't define them, just to ease compatibility across targets
-#ifndef GL_DOUBLE
-    #define GL_DOUBLE 0x140A
-    typedef double GLdouble;
-#endif
-
-#ifndef GL_INT
-    #define GL_INT 0x1404
-#endif
-
-#ifndef GL_UNSIGNED_INT
-    #define GL_UNSIGNED_INT 0x1405
-#endif
-
-#ifndef GL_NONE
-    // OpenGL ES1 doesn't provide GL_NONE
-    #define GL_NONE 0x0
-#endif
-
-#if defined(OSG_GLES1_AVAILABLE) || defined(OSG_GLES2_AVAILABLE)
-    //GLES defines (OES)
-    #define GL_RGB8_OES                                             0x8051
-    #define GL_RGBA8_OES                                            0x8058
-#endif
-
-#if defined(OSG_GLES1_AVAILABLE) || defined(OSG_GLES2_AVAILABLE) || defined(OSG_GL3_AVAILABLE)
-    #define GL_POLYGON                         0x0009
-    #define GL_QUADS                           0x0007
-    #define GL_QUAD_STRIP                      0x0008
-#endif
-
-#if defined(OSG_GL3_AVAILABLE)
-    #define GL_LUMINANCE                      0x1909
-    #define GL_LUMINANCE_ALPHA                0x190A
-#endif
-
-
-#endif