diff --git a/AirBomber/Program.cs b/AirBomber/Program.cs
index 3c8cda9..caccd43 100644
--- a/AirBomber/Program.cs
+++ b/AirBomber/Program.cs
@@ -1,7 +1,6 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
-using System;
 
 namespace AirBomber
 {