diff --git a/synth/ivoice.h b/synth/ivoice.h
index d4f2f6c..890db6b 100644
--- a/synth/ivoice.h
+++ b/synth/ivoice.h
@@ -4,7 +4,6 @@ namespace trnr {
 template <typename t_sample>
 struct ivoice {
 	virtual ~ivoice() = default;
-	//virtual float process_sample() = 0;
 	virtual void process_samples(t_sample** _outputs, int _start_index, int _block_size) = 0;
 	virtual bool is_busy() = 0;
 	virtual void set_samplerate(double samplerate) = 0;