tracker/pt: fix warnings

2 files changed, 1 insertions, 3 deletions

diff --git a/tracker-pt/ftnoir_tracker_pt.cpp b/tracker-pt/ftnoir_tracker_pt.cpp
index 64d08c26..93074883 100644
--- a/tracker-pt/ftnoir_tracker_pt.cpp
+++ b/tracker-pt/ftnoir_tracker_pt.cpp
@@ -29,8 +29,7 @@ Tracker_PT::Tracker_PT(pointer<pt_runtime_traits> const& traits) :
     s { traits->get_module_name() },
     point_extractor { traits->make_point_extractor() },
     camera { traits->make_camera() },
-    frame { traits->make_frame() },
-    preview_frame {}
+    frame { traits->make_frame() }
 {
     opencv_init();
 
diff --git a/tracker-pt/point_tracker.h b/tracker-pt/point_tracker.h
index 54c33a5e..05ff04bf 100644
--- a/tracker-pt/point_tracker.h
+++ b/tracker-pt/point_tracker.h
@@ -82,7 +82,6 @@ private:
 
     Affine X_CM;  // transform from model to camera
     Affine X_CM_expected;
-    PointOrder prev_positions;
     Timer t;
     bool init_phase = true;
 };