diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 7248dfeaa1..0892d86c33 100644
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -544,11 +544,7 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
 	_midname_interface = (const LV2_Midnam_Interface*)
 		extension_data (LV2_MIDNAM__interface);
 	if (_midname_interface) {
-		if (read_midnam ()) {
-			printf ("READ MIDNAM FROM PLUGIN\n");
-		} else {
-			printf ("**FAILED TO ** READ MIDNAM FROM PLUGIN\n");
-		}
+		read_midnam ();
 	}
 #endif
 
diff --git a/libs/ardour/midi_patch_manager.cc b/libs/ardour/midi_patch_manager.cc
index e3bf899bf5..ce1df8a521 100644
--- a/libs/ardour/midi_patch_manager.cc
+++ b/libs/ardour/midi_patch_manager.cc
@@ -210,7 +210,7 @@ MidiPatchManager::remove_midi_name_document (const std::string& file_path)
 			cout << string_compose(_("Removing MIDI patch file %1"), file_path) << "\n";
 			info << string_compose(_("Removing MIDI patch file %1"), file_path) << endmsg;
 
-			i = _documents.erase(i);
+			_documents.erase(i++);
 
 			for (MIDINameDocument::MasterDeviceNamesList::const_iterator device =
 			         document->master_device_names_by_model().begin();