diff -r 2a9a5d7f1a16 -r 6b2b718420eb graph_displayer_canvas.h
--- a/graph_displayer_canvas.h	Wed Feb 28 15:19:20 2007 +0000
+++ b/graph_displayer_canvas.h	Wed Feb 28 18:20:28 2007 +0000
@@ -19,13 +19,11 @@
 #ifndef GRAPH_DISPLAYER_CANVAS_H
 #define GRAPH_DISPLAYER_CANVAS_H
 
-class GraphDisplayerCanvas;
+class NoteBookTab;
 
 #include "all_include.h"
-#include "nbtab.h"
 #include <libgnomecanvasmm.h>
 #include <libgnomecanvasmm/polygon.h>
-#include <lemon/dim2.h>
 
 ///This class is the canvas, on which the graph can be drawn.
 class GraphDisplayerCanvas : public Gnome::Canvas::CanvasAA