Index: /trunk/nv/interface/device.hh
===================================================================
--- /trunk/nv/interface/device.hh	(revision 38)
+++ /trunk/nv/interface/device.hh	(revision 39)
@@ -25,5 +25,5 @@
 	public:
 		virtual window* create_window( uint16 width, uint16 height ) = 0;
-		virtual program* create_program( const string& vs_source, const string& fs_source, const string& gs_source = "" ) = 0;
+		virtual program* create_program( const string& vs_source, const string& fs_source ) = 0;
 	};