unwatch

verb2

1. •
   To remove (a webpage) from one's watchlist.

   • 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. — 2008
2. •
   (rare) To undo the watching of something; to unsee.

   • 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. — 2004