Use this procedure to purge mask block definitions from your drawing. You have the option to purge any mask block definition unless it is currently applied as a mask block in the drawing.

. The Style Manager is displayed, with the current drawing expanded in the tree view.
| If you want to… | Then… |
|---|---|
| purge one unused mask block definition style | right-click the style you want to remove, and click Purge. |
| purge all unused mask block definition styles | right-click Mask Block Definitions, and click Purge. When prompted, verify that the styles you want to purge are selected, and click OK. |