diff --git a/src/blocks/scratch3_sound.js b/src/blocks/scratch3_sound.js
index be78ec7e2..9a2eb357c 100644
--- a/src/blocks/scratch3_sound.js
+++ b/src/blocks/scratch3_sound.js
@@ -26,7 +26,6 @@ class Scratch3SoundBlocks {
     static get DEFAULT_SOUND_STATE () {
         return {
             volume: 100,
-            currentInstrument: 0,
             effects: {
                 pitch: 0,
                 pan: 0