Hi @knowmates,
Please note that these fields are managed by BuddyPress. Be aware that this plugin allows you to mark some fields as “Required”. For more about the registration form, please read the following posts:
As this issue is related with BuddyPress, it’s best if you try to reach the plugin authors. They will be more informed and better suited to help you.
To go further, we invite you to post your request on their support forums: BuddyPress support.
We remain available for all support requests related with the use of your theme.
Best,