In the left navigation pane, click Portfolio Management. The Portfolio Management tab opens.
In the left-hand column, click Groups. The Groups spreadsheet opens.
Select the group you want to delete by checking the box to the left of the group name.
From the Action menu, click Delete. A message will appear asking you to confirm that you want to delete the group.
Click OK. You are returned to the Groups spreadsheet, and the group is deleted.
Tip: You can delete multiple groups at once.