YouTube recently changed some functions across all their services (the most notable comments). And added the option to remove videos from currently watched playlists:
PERFECT! FANTASTIC! TERRIFIC! Now, I also want to remove videos that were by X or Y reason deleted:
But I can't. I press the button, refresh the page and the entry persist.
BTW, this is suboptimal as sometimes I'm not even pending to the playlist and track them down is very painful.