Board Thread:General Discussion/@comment-24739709-20151201202536/@comment-13301-20151210214909

Technobliterator wrote: Potentially stupid question - should we know delete MediaWiki:Pagetitle and MediaWiki:Pagetitle-view-mainpage, since they're no longer used?

If it has no effect, deleting it won't have any effect whatsoever. I'd keep it for historical interest, and for when wikia roll back this change in a few years after noticing the negative impact in communities (just like any change it has made in titles before this one).