unwatch

un- +‎ watch

unwatch (third-person singular simple present unwatches, present participle unwatching, simple past and past participle unwatched)

1. (transitive, rare) To undo the watching of something; to unsee.
   • 2004, Charles Roxburgh, Matt Farley, Tom Scalzo, ShockJuly: An Adventure in Horror, page 65:

     I wish I could unwatch this nightmare so that I wouldn't have this baggage knocking around in my brain for the rest of my life. Never, for the love of God, watch this movie.

2. (transitive, Wikimedia jargon) To remove (a webpage) from one's watchlist.
   • 2008, Phoebe Ayers, Charles Matthews, Ben Yates, How Wikipedia Works: And How You Can Be a Part of It, page 319:

     To unwatch a page, you can simply revisit the page; you'll notice the tab now says Unwatch. Click the tab again to remove the page.