diff --git a/OpenRa.Game/GameRules/FieldLoader.cs b/OpenRa.Game/GameRules/FieldLoader.cs
index 71fb420c06..919edd5d39 100755
--- a/OpenRa.Game/GameRules/FieldLoader.cs
+++ b/OpenRa.Game/GameRules/FieldLoader.cs
@@ -27,39 +27,6 @@ namespace OpenRa.Game.GameRules
 			}
 		}
 
-		public static void CheckYaml( object self, Dictionary<string, MiniYaml> d )
-		{
-			//foreach( var x in d )
-			//{
-			//    if( x.Key == "Tab" ) continue;
-			//    if( x.Key == "Description" ) continue;
-			//    if( x.Key == "LongDesc" ) continue;
-
-			//    var key = x.Key;
-			//    if( key == "Prerequisites" ) key = "Prerequisite";
-			//    if( key == "HP" ) key = "Strength";
-			//    if( key == "Priority" ) key = "SelectionPriority";
-			//    if( key == "Bounds" ) key = "SelectionSize";
-			//    var field = self.GetType().GetField( key );
-			//    var old = field.GetValue( self );
-			//    var neww = GetValue( field.FieldType, x.Value.Value.Trim() );
-			//    if( old.ToString() != neww.ToString() )
-			//        throw new NotImplementedException();
-			//}
-			foreach( var x in d )
-			{
-				var key = x.Key;
-				if( key == "Tab" )
-					continue;
-				if( key == "Prerequisites" ) key = "Prerequisite";
-				if( key == "HP" ) key = "Strength";
-				if( key == "Priority" ) key = "SelectionPriority";
-				if( key == "Bounds" ) key = "SelectionSize";
-				var field = self.GetType().GetField( key.Trim() );
-				field.SetValue( self, GetValue( field.FieldType, x.Value.Value.Trim() ) );
-			}
-		}
-
 		static object GetValue( Type fieldType, string x )
 		{
 			if( fieldType == typeof( int ) )