diff --git a/src/modules/launcher/Plugins/Wox.Plugin.Program/Main.cs b/src/modules/launcher/Plugins/Wox.Plugin.Program/Main.cs
index 8021e6a5b..abe154162 100644
--- a/src/modules/launcher/Plugins/Wox.Plugin.Program/Main.cs
+++ b/src/modules/launcher/Plugins/Wox.Plugin.Program/Main.cs
@@ -2,8 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
-using System.Linq;
-using System.Security.Permissions;
+using System.Linq;
 using System.Threading.Tasks;
 using System.Timers;
 using System.Windows.Controls;