Delete a Substore

From the Main Navigation menu, select the Setup tab.
Scroll to the Sites section, and select Locations from the list (open the Locations screen).
Find the Location containing the Store, which contains the Substore, and select the expand button on the left side.
Find the Store containing the Substore, and again select the expand button on the left side.
Select the Substore to be deleted (opens a panel displaying further information regarding the selected store).
Click the Delete button at the bottom of the panel. The panel will switch to the Delete Audit panel.
Select a Reason for Change from the dropdown or type into the field.
Select Delete.