diff --git a/OpenRA.Editor/ActorPropertiesDialog.cs b/OpenRA.Editor/ActorPropertiesDialog.cs
index bc4412ee7a..77e8b18f54 100644
--- a/OpenRA.Editor/ActorPropertiesDialog.cs
+++ b/OpenRA.Editor/ActorPropertiesDialog.cs
@@ -1,10 +1,15 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
+#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;
 using System.Drawing;
-using System.Linq;
-using System.Text;
 using System.Windows.Forms;
 using OpenRA.FileFormats;