Staff members can be easily removed / deactivated / deleted.
Use the drop-down menu (top-right) to switch to the relevant Branch (Or your Company, if the user was added at a Head Office level).
From the drop-down menu, click Reports & Admin
From the Branch Menu on the left, click My Team
Select the relevant user
Click the red button to Delete the user
Note: While the user will be deleted, all historic sales data for that user will remain recorded within Hero and viewable within your reports.