diff --git a/vm/go_synth.go b/vm/go_synth.go
index 7f9f79b..022ab88 100644
--- a/vm/go_synth.go
+++ b/vm/go_synth.go
@@ -93,7 +93,7 @@ success:
 	f.Read(su_sample_table[:])
 }
 
-func Synth(patch sointu.Patch, bpm int) (sointu.Synth, error) {
+func (s GoSynther) Synth(patch sointu.Patch, bpm int) (sointu.Synth, error) {
 	bytecode, err := NewBytecode(patch, AllFeatures{}, bpm)
 	if err != nil {
 		return nil, fmt.Errorf("error compiling %v", err)
@@ -103,11 +103,6 @@ func Synth(patch sointu.Patch, bpm int) (sointu.Synth, error) {
 	return ret, nil
 }
 
-func (s GoSynther) Synth(patch sointu.Patch, bpm int) (sointu.Synth, error) {
-	synth, err := Synth(patch, bpm)
-	return synth, err
-}
-
 func (s *GoSynth) Trigger(voiceIndex int, note byte) {
 	s.state.voices[voiceIndex] = voice{}
 	s.state.voices[voiceIndex].note = note
diff --git a/vm/go_synth_test.go b/vm/go_synth_test.go
index fb219f9..5d0ded8 100644
--- a/vm/go_synth_test.go
+++ b/vm/go_synth_test.go
@@ -78,7 +78,7 @@ func TestStackUnderflow(t *testing.T) {
 	patch := sointu.Patch{sointu.Instrument{NumVoices: 1, Units: []sointu.Unit{
 		sointu.Unit{Type: "pop", Parameters: map[string]int{}},
 	}}}
-	synth, err := vm.Synth(patch, 120)
+	synth, err := vm.GoSynther{}.Synth(patch, 120)
 	if err != nil {
 		t.Fatalf("bridge compile error: %v", err)
 	}
@@ -94,7 +94,7 @@ func TestStackBalancing(t *testing.T) {
 		sointu.Instrument{NumVoices: 1, Units: []sointu.Unit{
 			sointu.Unit{Type: "push", Parameters: map[string]int{}},
 		}}}
-	synth, err := vm.Synth(patch, 120)
+	synth, err := vm.GoSynther{}.Synth(patch, 120)
 	if err != nil {
 		t.Fatalf("bridge compile error: %v", err)
 	}