diff --git a/websocket-sharp/Net/Cookie.cs b/websocket-sharp/Net/Cookie.cs
index 941522e8..97487956 100644
--- a/websocket-sharp/Net/Cookie.cs
+++ b/websocket-sharp/Net/Cookie.cs
@@ -109,7 +109,6 @@ namespace WebSocketSharp.Net
       _path = String.Empty;
       _timeStamp = DateTime.Now;
       _value = String.Empty;
-      _version = 0;
     }
 
     /// <summary>