Index: src/Common/DelftTools.Utils/TextDocumentBase.cs
===================================================================
diff -u -r8f6ae890fed8e8eae3a32f9c0498a10f82e0ddf9 -rc681de56bb7c40d7c5802f2993feb4aa61c2e1d2
--- src/Common/DelftTools.Utils/TextDocumentBase.cs	(.../TextDocumentBase.cs)	(revision 8f6ae890fed8e8eae3a32f9c0498a10f82e0ddf9)
+++ src/Common/DelftTools.Utils/TextDocumentBase.cs	(.../TextDocumentBase.cs)	(revision c681de56bb7c40d7c5802f2993feb4aa61c2e1d2)
@@ -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;