[Semediawiki-user] Orphaned properties

[Larry S. <lsi...@tr...>]

Through experimenting with SMW, my team has managed to accumulate seemingly
orphaned Properties which I can't delete. They appear on Special:Properties
as red links. When I visit the link, there's nothing to delete there. They
don't appear to be referenced by any pages.

Any idea how to permanently remove these?

Thanks.