diff --git a/src/core/MidiClockToCV.cpp b/src/core/MidiClockToCV.cpp
index b19603a6..17e45a47 100644
--- a/src/core/MidiClockToCV.cpp
+++ b/src/core/MidiClockToCV.cpp
@@ -41,13 +41,13 @@ struct MIDIClockToCVInterface : MidiIO, Module {
 	 *
 	 * Implying that every 16 midi clock ticks we need to send a pulse
 	 * */
-	int ratios[] = {6, 8, 12, 16, 24, 32, 48, 96, 192};
-	int numratios = sizeof(ratios) / sizeof(*ratios);
+	const int ratios[9] = {6, 8, 12, 16, 24, 32, 48, 96, 192};
+	const int numratios = 9;
 
 	/*
 	 * Length of clock pulse
 	 */
-	float pulseTime = 0.05;
+	const float pulseTime = 0.05;
 
 
 	MIDIClockToCVInterface() : MidiIO(), Module(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS) {
diff --git a/src/core/MidiIO.cpp b/src/core/MidiIO.cpp
index 22c6f444..e3bdbce5 100644
--- a/src/core/MidiIO.cpp
+++ b/src/core/MidiIO.cpp
@@ -50,12 +50,12 @@ void MidiIO::baseFromJson(json_t *rootJ) {
 
 std::vector<std::string> MidiIO::getDevices() {
 	/* Note: we could also use an existing interface if one exists */
-	RtMidiIn *m = new RtMidiIn();
+	RtMidiIn m;
 
 	std::vector<std::string> names = {};
 
-	for (unsigned int i = 0; i < m->getPortCount(); i++) {
-		names.push_back(m->getPortName(i));
+	for (unsigned int i = 0; i < m.getPortCount(); i++) {
+		names.push_back(m.getPortName(i));
 	}
 
 	return names;