Remove required supplier field?

i would like to remove the required email field for suppliers. I don’t have email addresses for all my suppliers. All my orders to suppliers will be placed by phone. You can’t add suppliers without adding an email address. The option to change this in profile fields is greyed out.

Does anyone know how I can make the email field for suppliers optional?


Well, nevermind I figured this out. You can enter any fake email address as long as it isn’t being used by an existing user. I was adding my own email address so it failed because it was already in the system.