How do you remove everything from your watchlist?

This seems like it should be a basic thing but I cannot figure out a way to do it. How do I simply clear out my watchlist?

I don’t think there’s a „remove all“ option, but you can delete items individually (using the „Remove from Watchlist“ action in the context menu).

Yes, I am aware of that but unfortunately there are several thousand items in the watchlist currently. Removing them all manually would take far too long.