 > New Layer Mask.
 > New Layer Mask. 
                   in the Paint Layers window toolbar.
 in the Paint Layers window toolbar. 
                  A new layer mask with the same resolution and bit-depth as the selected layer is created and added under the layer. If the paint layer already has existing mask layers, the new layer mask is added at the top.
 > Delete Selected.
 > Delete Selected. 
                   in the Paint Layers window toolbar.
 in the Paint Layers window toolbar. 
                   Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
 Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License