arcgis desktop - ArcMap remove feature-class from feature-dataset

I am using ArcMap 10.0 (Editor). I have got a feature-dataset within a GDB with several feature-classes and an topology.

I am unable to find a way to delete/remove a feature class from that feature-dataset.

To add a feature-class you go drag&drop onto your feature-dataset. That does not work for removing. The right-click context menu on a feature-class does not provide the option "delete" (gray). I did try that in the cataloge-window and in ArcCatalog.

The help does not provide a lot of useful information on that topic either.

I have altered one of the feature-classes in a different GDB and I would like to update/exchange that feature-class. At the moment the only way seems to delete the whole feature-dataset and recreate it with the updated feature-classes. But that way you are loosing your topology and it does not seem to be a effective way of dealing with that sort of issue.

Has anyone got any ideas?

Answer

You will not be able to delete a feature class which participates in a topology. You should first exclude this one from the topology.

You can either use a GP tool Remove Feature Class From Topology (Data Management) or do it manually via Removing a feature class.

If you don't really need to recreate/replace a geodatabase object (such as a feature class), consider modifying the schema of the feature class, truncating the table (GP tool Truncate Table) or appending (GP tool Append) new features. This will leave the topology properties untouched and will save you time.