Index: src/Common/DelftTools.Utils/TextDocumentBase.cs
===================================================================
diff -u -r8edbe5e2130c81b456385607891c6ef98928f88e -r7bc7719bed5c5cd676302ba3da2d4d8409968a1a
--- src/Common/DelftTools.Utils/TextDocumentBase.cs	(.../TextDocumentBase.cs)	(revision 8edbe5e2130c81b456385607891c6ef98928f88e)
+++ src/Common/DelftTools.Utils/TextDocumentBase.cs	(.../TextDocumentBase.cs)	(revision 7bc7719bed5c5cd676302ba3da2d4d8409968a1a)
@@ -1,10 +1,9 @@
 using DelftTools.Utils.Aop;
-using DelftTools.Utils.Data;
 
 namespace DelftTools.Utils
 {
     [Entity(FireOnCollectionChange = false)]
-    public abstract class TextDocumentBase : EditableObjectUnique<long>, INameable
+    public abstract class TextDocumentBase : INameable
     {
         private readonly bool readOnly;