https://brandregistry.amazon.com
Brand Registry Support Update role for user account
Which would you like to do: Add, Update, or Remove a Brand Registry user account? : remove a role (in your case)
Enter the Email Address login of the Brand Registry user account: Email ID to be entered of the seller ( in this case your email brand registry email address ).
Enter the brand(s) that this request pertains to: The brand which you are approved for (要撤销的品牌名字)
如果想直接发邮件也可以。品牌授权团队邮箱：[email protected]
