diff --git a/gtk2_ardour/processor_box.cc b/gtk2_ardour/processor_box.cc
index 0f7e37a203..8a34405e23 100644
--- a/gtk2_ardour/processor_box.cc
+++ b/gtk2_ardour/processor_box.cc
@@ -1549,10 +1549,8 @@ ProcessorEntry::PluginDisplay::on_button_press_event (GdkEventButton *ev)
 	//_entry._parent->processor_button_press_event (ev, &_entry);
 	if (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS)) {
 		if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
-			cerr << "Open generic\n";
 			_entry._parent->generic_edit_processor (_entry.processor ());
 		} else {
-			cerr << "Open custom\n";
 			_entry._parent->edit_processor (_entry.processor ());
 		}
 		return true;