diff --git a/gtk2_ardour/prh_base.cc b/gtk2_ardour/prh_base.cc
index f27f457874..9c18008fe4 100644
--- a/gtk2_ardour/prh_base.cc
+++ b/gtk2_ardour/prh_base.cc
@@ -352,11 +352,6 @@ PianoRollHeaderBase::render (ArdourCanvas::Rect const & self, ArdourCanvas::Rect
 
 		Gtkmm2ext::set_source_rgba (cr, bg);
 
-		if (_scroomer_size != width() - kbd_width) {
-			std::cerr << "about to crash, scroomer width " << _scroomer_size << " w " << width() << " kbd width " << kbd_width << std::endl;
-		}
-		assert (_scroomer_size == width() - kbd_width);
-
 		double x = _scroomer_size;
 		double y = positions[n];