You can remove yourself from participants. That's what I do. Or you can just delete the _deltas folder.
2011/5/17 Michael MacFadden <michael.macfad...@gmail.com> > All, > > Is there a way to delete waves from WiaB? From a development standpoint > when working on bugs having to do with creating new waves your WiaB instance > quickly gets polluted with a large number of "test" waves that seem to hang > around forever unless you blow away your persistence. > > I know that in general Google Wave didn't allow you to "delete" waves from > a user stand point, which makes sense. But at least in some sort of > development mode, would being able to delete waves be useful? > > ~Michael