diff --git a/OngekiFumenEditor/AppBootstrapper.cs b/OngekiFumenEditor/AppBootstrapper.cs
index a5b9b962..36dcf0f0 100644
--- a/OngekiFumenEditor/AppBootstrapper.cs
+++ b/OngekiFumenEditor/AppBootstrapper.cs
@@ -27,6 +27,12 @@
 using OngekiFumenEditor.Utils;
 using OngekiFumenEditor.Utils.DeadHandler;
 using OngekiFumenEditor.Utils.Logs.DefaultImpls;
+#if !DEBUG
+using System.Runtime.InteropServices;
+using System.Threading;
+using MahApps.Metro.Controls;
+using OngekiFumenEditor.UI.Dialogs;
+#endif
 
 namespace OngekiFumenEditor;