diff --git a/gtk2_ardour/region_peak_cursor.cc b/gtk2_ardour/region_peak_cursor.cc
index 49e65d5762..487242d98f 100644
--- a/gtk2_ardour/region_peak_cursor.cc
+++ b/gtk2_ardour/region_peak_cursor.cc
@@ -94,7 +94,7 @@ RegionPeakCursor::set (AudioRegionView* arv, samplepos_t when, samplecnt_t sampl
 	}
 
 	/* read_peaks() offset is relative to the region's source */
-	s += ar->start ();
+	s += ar->start_sample ();
 
 	PeakData p;
 	for (uint32_t chn = 0; chn < ar->n_channels (); ++chn) {
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 46f9c6ccfe..e37148c79b 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -272,7 +272,6 @@ Session::Session (AudioEngine &eng,
 	, ltc_timecode_negative_offset (false)
 	, midi_control_ui (0)
 	, _punch_or_loop (NoConstraint)
-	, current_usecs_per_track (1000)
 	, _all_route_group (new RouteGroup (*this, "all"))
 	, routes (new RouteList)
 	, _adding_routes_in_progress (false)