| 1. | Choose Grouping Definitions from the View menu. You see the 'Grouping Definitions' window. |
| 2. | Select the grouping definition you want to delete. |
| 3. | Click the Delete button, and confirm by clicking Yes. |
| 4. | Click the Close button to close the window. |
To delete the currently active grouping definition, simply right-click the Grouping Definitions drop-down list and choose Delete Grouping Definition from the popup menu.