When
            you erase paint strokes, you can select the brush size and type
            for different effects.
         
         To erase paint strokes:
         
         
            - Under Strokes, select the Erase operation.
            
- From the Layer Editor, select the layer
               on which you want to erase strokes.
            
- Set a brush type and sizeāsee 
                        Paint Brush Controls and Attributes.
            
- Click and drag on the canvas to erase.