How to Delete a Gravatar Profile
Somehow I ended up with two Gravatar Profiles and the old one kept displaying every time a visitor clicked my Gravatar.
It is quite easy to delete a Gravatar Profile.
Visit your account by logging into WordPress.com with your username and go to https://wordpress.com/me/account. Once the page opens scroll down the page to “Close your account permanently” option at the bottom of the page.
Should You Keep More Than One Gravatar Profile?