diff --git a/RS/RS/RS.cs b/RS/RS/RS.cs
index 037d6dd..8008ee9 100644
--- a/RS/RS/RS.cs
+++ b/RS/RS/RS.cs
@@ -2,10 +2,7 @@
using System.Diagnostics;
using System.Drawing;
using System.Globalization;
-using System.IO;
using System.Net;
-using System.Net.Sockets;
-using System.Text;
using System.Threading;
using System.Windows.Forms;
using RS.Service;
diff --git a/RS/RS/Service/PortService.cs b/RS/RS/Service/PortService.cs
index ca123fa..1b9cdc0 100644
--- a/RS/RS/Service/PortService.cs
+++ b/RS/RS/Service/PortService.cs
@@ -22,6 +22,7 @@ public PortService() { }
/// The name of the entry
/// The port number
/// This can throw lots of exception, treat any as an error.
+ [Obsolete("Use RegisterPort instead to only grant Admin once")]
public void AddPortToFirewall(string name, int port)
{
Type TicfMgr = Type.GetTypeFromProgID("HNetCfg.FwMgr");