You can delete user-defined groups as follows. In the process, you can optionally keep attributes that are allocated to the group.
1. From the Lists menu, choose User-defined groups.
2. Mark the group that you want to delete.
3. On the toolbar, click the Delete symbol 
.
If user-defined attributes are assigned to the group, a prompt appears.
4. Select the desired option.
The user-defined group will be deleted.
