How to delete all Hidden Layers at the same time in Adobe Photoshop
This is much easier than I ever expected it to be. I’m not sure about previous versions, but I know this is possible in both Photoshop CS and CS2. First open any layered Photoshop file and hide a few layers.
Then, in the Layers Pallete, click on the little arrow in the upper right and select "Delete Hidden Layers."
