1 files changed, 1 insertions, 9 deletions
diff --git a/mcs/class/System.Data/System.Data.Common/SchemaTableOptionalColumn.cs b/mcs/class/System.Data/System.Data.Common/SchemaTableOptionalColumn.cs
index 2b9ab1900bc..4362f54f7c7 100644
--- a/mcs/class/System.Data/System.Data.Common/SchemaTableOptionalColumn.cs
+++ b/mcs/class/System.Data/System.Data.Common/SchemaTableOptionalColumn.cs
@@ -33,25 +33,17 @@
 #if NET_2_0
 
 namespace System.Data.Common {
-	public static class SchemaTableOptionalColumn 
+	public sealed class SchemaTableOptionalColumn 
 	{
 		#region Fields
-			public static readonly string AutoIncrementSeed = "AutoIncrementSeed";
-			public static readonly string AutoIncrementStep = "AutoIncrementStep";
 			public static readonly string BaseCatalogName = "BaseCatalogName";
-			public static readonly string BaseColumnNamespace = "BaseColumnNamespace";
 			public static readonly string BaseServerName = "BaseServerName";
-			public static readonly string BaseTableNamespace = "BaseTableNamespace";
-			public static readonly string ColumnMapping = "ColumnMapping";
-			public static readonly string DefaultValue = "DefaultValue";
-			public static readonly string Expression = "Expression";
 			public static readonly string IsAutoIncrement = "IsAutoIncrement";
 			public static readonly string IsHidden = "IsHidden";
 			public static readonly string IsReadOnly = "IsReadOnly";
 			public static readonly string IsRowVersion = "IsRowVersion";
 			public static readonly string ProviderSpecificDataType = "ProviderSpecificDataType";
 
-
 		#endregion // Fields
 	}
 }