diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index f07153ae36..43fb42164f 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -1587,7 +1587,8 @@ ARDOUR_UI::transport_roll ()
 	if (_session->is_auditioning()) {
 		return;
 	}
-	
+
+#if 0
 	if (_session->config.get_external_sync()) {
 		switch (_session->config.get_sync_source()) {
 		case JACK:
@@ -1597,6 +1598,7 @@ ARDOUR_UI::transport_roll ()
 			return;
 		}
 	}
+#endif
 
 	bool rolling = _session->transport_rolling();
 
@@ -1634,6 +1636,7 @@ ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
 		return;
 	}
 
+#if 0
 	if (_session->config.get_external_sync()) {
 		switch (_session->config.get_sync_source()) {
 		case JACK:
@@ -1643,6 +1646,7 @@ ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
 			return;
 		}
 	}
+#endif
 
 	bool rolling = _session->transport_rolling();
 	bool affect_transport = true;