NetApp
7-mode/HA pair/V-Series : Configuration : Local Users and Groups : Groups : Configuring Local Groups : Deleting a local group
Deleting a local group
You can delete an entire local group. However, keep in mind that deleting a group affects all users assigned to the group, by deleting all roles and capabilities associated with the group. Also, you cannot delete a default group.
Steps 
1.
From the Home tab, double-click the appropriate storage system to display a subtree of management features.
2.
Click Configuration > Local Users and Groups > Groups.
3.
Select the group that you want to delete.
4.
Click Delete.
5.
Click Delete on the confirmation prompt.