diff --git a/gtk2_ardour/editor_canvas.cc b/gtk2_ardour/editor_canvas.cc
index 9fd010a6de..5bf93ea641 100644
--- a/gtk2_ardour/editor_canvas.cc
+++ b/gtk2_ardour/editor_canvas.cc
@@ -958,7 +958,7 @@ Editor::ensure_time_axis_view_is_visible (TimeAxisView const & track, bool at_to
 	}
 
 	/* apply any pending [height] changes */
-	process_redisplay_track_views ();
+	(void) process_redisplay_track_views ();
 
 	/* compute visible area of trackview group, as offsets from top of
 	 * trackview group.
diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 25df2fc4a8..3a8c95dafe 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -8616,7 +8616,7 @@ Editor::fit_tracks (TrackViewList & tracks)
 	}
 
 	/* apply height changes, so that scrolling works */
-	process_redisplay_track_views ();
+	(void) process_redisplay_track_views ();
 
 	/*
 	   set the controls_layout height now, because waiting for its size