diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/sound/YM2610.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/sound/YM2610.cs
index e40e7e7e..4c3c0868 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/sound/YM2610.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/sound/YM2610.cs
@@ -1,8 +1,4 @@
-
-using Sony.Vita.Dialog;
-using System;
-using static MAME.Core.FM;
-using static MAME.Core.YM2151;
+using System;
 
 namespace MAME.Core
 {