From e9f2e32b71435b73328c494b1ac815a087ba6246 Mon Sep 17 00:00:00 2001
From: nick_m <mainsbridge@gmail.com>
Date: Fri, 9 Jun 2017 01:08:59 +1000
Subject: [PATCH] Delete tempo lines when session goes away

---
 gtk2_ardour/editor.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index 2ba470853a..0350de1d12 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -5908,6 +5908,9 @@ Editor::session_going_away ()
 	hide_measures ();
 	clear_marker_display ();
 
+	delete tempo_lines;
+	tempo_lines = 0;
+
 	stop_step_editing ();
 
 	if (own_window()) {