diff --git a/OpenRA.Mods.RA/ProximityCapturable.cs b/OpenRA.Mods.RA/ProximityCapturable.cs
index 55b2f6c537..31e8803c22 100644
--- a/OpenRA.Mods.RA/ProximityCapturable.cs
+++ b/OpenRA.Mods.RA/ProximityCapturable.cs
@@ -1,4 +1,14 @@
-using System.Linq;
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made 
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Linq;
 using OpenRA.Effects;
 using OpenRA.Traits;
 
@@ -38,11 +48,6 @@ namespace OpenRA.Mods.RA
 
 		public string[] CaptorTypes = {};
 
-		[Sync]
-		public int ActorTypesHash
-		{
-			get { return string.Join(",", CaptorTypes).GetHashCode(); }
-		}
 		public Actor Self;
 
 		public ProximityCapturable(Actor self, ProximityCapturableInfo info)