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Apply or delete a layer mask

You can apply a layer mask to permanently delete the hidden portions of a layer. Layer masks are stored as alpha channels, so applying and deleting layer masks can help reduce file size. You can also delete a layer mask without applying the changes.

  1. In the Layers panel, select the layer containing the layer mask.
  2. In the Masks panel, click the Pixel Mask button.
  3. Do one of the following:

    • To remove the layer mask after applying it permanently to the layer, click the Apply Mask icon  at the bottom of the Masks panel.

    • To remove the layer mask without applying it to the layer, click the Delete button at the bottom of the Masks panel, and then click Delete.

      You can also apply or delete layer masks using the Layer menu.

      Note: You cannot apply a layer mask permanently to a Smart Object layer when deleting the layer mask.