Index: src/Common/DelftTools.Shell.Core/Project.cs
===================================================================
diff -u -r5238d4a7956b8d24318d37d9974d50b039fd95e7 -r5f9327caaaca2d654839bcdcdcf70529e8263d17
--- src/Common/DelftTools.Shell.Core/Project.cs	(.../Project.cs)	(revision 5238d4a7956b8d24318d37d9974d50b039fd95e7)
+++ src/Common/DelftTools.Shell.Core/Project.cs	(.../Project.cs)	(revision 5f9327caaaca2d654839bcdcdcf70529e8263d17)
@@ -1,15 +1,14 @@
 using System.Collections.Generic;
 using DelftTools.Utils.Aop;
 using DelftTools.Utils.Collections.Generic;
-using DelftTools.Utils.Data;
 
 namespace DelftTools.Shell.Core
 {
     /// <summary>
     /// Container of all data and tasks.
     /// </summary>
     [Entity(FireOnCollectionChange = false)]
-    public class Project : EditableObjectUnique<long>, IObservable
+    public class Project : IObservable
     {
         private string name;
         private string description;