diff --git a/TGS.Interface/ChatSetupInfo.cs b/TGS.Interface/ChatSetupInfo.cs
index 6809b85dd3..91cde83a75 100644
--- a/TGS.Interface/ChatSetupInfo.cs
+++ b/TGS.Interface/ChatSetupInfo.cs
@@ -2,7 +2,6 @@
 using System;
 using System.Collections.Generic;
 using System.Runtime.Serialization;
-using System.Runtime.Serialization.Formatters.Binary;
 
 namespace TGS.Interface
 {