diff --git a/libs/ardour/automatable.cc b/libs/ardour/automatable.cc
index 952b44503b..991a2a3880 100644
--- a/libs/ardour/automatable.cc
+++ b/libs/ardour/automatable.cc
@@ -747,6 +747,7 @@ Automatable::find_prev_ac_event (std::shared_ptr<AutomationControl> c, timepos_t
 void
 Automatable::start_domain_bounce (Temporal::DomainBounceInfo& cmd)
 {
+#warning paul automatable domain bouncing still needs work
 }
 
 void
diff --git a/libs/ardour/midi_model.cc b/libs/ardour/midi_model.cc
index 5424f140af..96f0321020 100644
--- a/libs/ardour/midi_model.cc
+++ b/libs/ardour/midi_model.cc
@@ -1849,6 +1849,8 @@ MidiModel::rebuild_from_mapping_stash (Temporal::Beats const & src_pos_offset)
 
 	apply_diff_command_as_subcommand (_midi_source.session(), note_cmd);
 
+#warning paul midi model tempo mapping stash still needs sysex and pitch bend work
+
 	for (auto & s : sysexes()) {
 		TempoMappingStash::iterator tms (tempo_mapping_stash.find (s.get()));
 		assert (tms != tempo_mapping_stash.end());