From the entire list of groups, if you wish to delete a particular product group then click on the delete icon located at the left hand side of the group you want to delete.
After you click on the given icon, an alert message comes to your screen that ask you “Delete this record” to make sure you really want to delete the group or not.
Click on “OK” button to finally delete the product group from the list, and if you do not want to delete the group then click on “Cancel” Button.