First, access the customer module on main navigation bar and click the section customers.

Choose the particular customer whose sites you wish to delete.

Locate the "sites" tab, then click on it.

To find the site you want to delete, either use the search button located in the upper-right corner of the window or manually scroll through the list.

Select the site(s) you want to remove by clicking on the checkbox next to each one.

Once you have selected the site(s), an action bar will appear at bottom of table. Click on the "Delete" button.

A delete confirmation screen will appear. Click on "Delete" to proceed with deleting the selected site(s).