The  command deletes the active layer's layer mask, without modifying the active layer itself. If the active layer does not have a layer mask, the menu entry is insensitive and grayed out.
      
        
          
            
              7.24.1. Activating the Command
             
           
         
        
          
            - 
              
          You can access this command from the image menubar through
           →  → ,
         
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          or from the pop-up menu you get by right-clicking on the active
          layer in the Layers Dialog.