diff --git a/gtk2_ardour/meterbridge.cc b/gtk2_ardour/meterbridge.cc
index 4d2a0c7..65657c3 100644
--- a/gtk2_ardour/meterbridge.cc
+++ b/gtk2_ardour/meterbridge.cc
@@ -408,7 +408,7 @@ Meterbridge::on_scroll()
 	ARDOUR::MeterType mt_right = _mt_right;
 
 	for (unsigned int i = 0; i < _metrics.size(); ++i) {
-		int sx, dx, dy;
+		int sx, dx = 0, dy = 0;
 		int mm = _metrics[i]->get_metric_mode();
 		sx = (mm & 2) ? _metrics[i]->get_width() : 0;
 
diff --git a/gtk2_ardour/processor_box.cc b/gtk2_ardour/processor_box.cc
index cb72162..d004d08 100644
--- a/gtk2_ardour/processor_box.cc
+++ b/gtk2_ardour/processor_box.cc
@@ -99,6 +99,7 @@ static const uint32_t midi_port_color = 0x960909FF; //Red
 ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processor> p, Width w)
 	: _button (ArdourButton::led_default_elements)
 	, _position (PreFader)
+	, _position_num(0)
 	, _parent (parent)
 	, _processor (p)
 	, _width (w)
diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index 82564eb..507d6fe 100644
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -81,6 +81,7 @@ AudioEngine::AudioEngine ()
 	, _latency_flush_frames (0)
 	, _latency_signal_latency (0)
 	, _stopped_for_latency (false)
+	, _started_for_latency (false)
 	, _in_destructor (false)
 {
 	g_atomic_int_set (&m_meter_exit, 0);
diff --git a/libs/midi++2/parser.cc b/libs/midi++2/parser.cc
index 2f6b508..f707925 100644
--- a/libs/midi++2/parser.cc
+++ b/libs/midi++2/parser.cc
@@ -132,7 +132,7 @@ Parser::Parser ()
 Parser::~Parser ()
 
 {
-	delete msgbuf;
+	free(msgbuf);
 }
 
 void