diff --git a/gtk2_ardour/editor.h b/gtk2_ardour/editor.h
index 2da7650ce5..a508e1d080 100644
--- a/gtk2_ardour/editor.h
+++ b/gtk2_ardour/editor.h
@@ -699,7 +699,6 @@ class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARD
 
         ArdourCanvas::GtkCanvas* _time_bars_canvas;
         ArdourCanvas::GtkCanvasViewport* _time_bars_canvas_viewport;
-	Gtk::Adjustment* _time_bars_canvas_vadj;
 
 	bool within_track_canvas;
 
diff --git a/gtk2_ardour/editor_canvas.cc b/gtk2_ardour/editor_canvas.cc
index 901b433c84..3f0098dcd0 100644
--- a/gtk2_ardour/editor_canvas.cc
+++ b/gtk2_ardour/editor_canvas.cc
@@ -71,8 +71,7 @@ Editor::initialize_canvas ()
 	_track_canvas_viewport = new ArdourCanvas::GtkCanvasViewport (horizontal_adjustment, vertical_adjustment);
 	_track_canvas = _track_canvas_viewport->canvas ();
 
-	_time_bars_canvas_vadj = new Adjustment (0, 0, 1e16);
-	_time_bars_canvas_viewport = new ArdourCanvas::GtkCanvasViewport (horizontal_adjustment, *_time_bars_canvas_vadj);
+	_time_bars_canvas_viewport = new ArdourCanvas::GtkCanvasViewport (horizontal_adjustment, unused_adjustment);
 	_time_bars_canvas = _time_bars_canvas_viewport->canvas ();
 	
 	_verbose_cursor = new VerboseCursor (this);