Delete All Hidden Layers April 8, 2016. Posted in: Tip Of The Day. You can delete all hidden layers (Eye icon off), by going into the Layer panel’s flyout menu (4 line icon on the top right of Layer’s panel) and choosing “Delete Hidden Layers“. « Previous Photoshop Tip: | Next Photoshop Tip: » Get The Tip of The Day in Your Inbox! Sign-up for the PTC Newsletter to receive a weekly re-cap of the Tips of The Day. That way you'll never miss a tip. You'll also get instant access to the Subscriber Only Tutorials! Enter your email below to sign up! Your Email Address: You Can Also Get Daily Tips On Your Feed! Every Photoshop Tip of The Day is posted in our Facebook & Google Plus, Twitter, LinkedIn, and Pinterest pages.