How to delete all repeated object

Attached a file containing repeated member at 2 locations.
Seldup+delete can remove the duplicates, but cannot remove all members at the 2 locations.
Any possibilityRedundant.3dm (571.0 KB)

Kenneth, are you saying that you want to delete both the duplicate items AND the original ones? If so, I suppose this file is only a part of a much more complex file because in this case it would just be a matter of selecting them and deleting. Or?

I want to delete both of the duplicate items, that mean there should have an opening side after delete.
Any systematic command can be used?

Does the command SelDupAll help here? --Mitch

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That seems to do the trick, yes. Learned something new today as well :smile: