diff --git a/assets/scene_app/piano.lua b/assets/scene_app/piano.lua
index c2662cdf..871fc4b7 100644
--- a/assets/scene_app/piano.lua
+++ b/assets/scene_app/piano.lua
@@ -1,6 +1,6 @@
 local gc=love.graphics
 
-local instList={'organ_wave','square_wave','death_wave','saw_wave','complex_wave','stairs_wave','spectral_wave'}
+local instList={'organ_wave','square_wave','saw_wave','complex_wave','stairs_wave','spectral_wave'}
 
 ---@class Techmino.Piano.Layout
 ---@field name string