Follow these simple steps to delete a profile previously created in your account.
Go to Your account on the top right of your screen
Click on Account and profile management
Click on Profiles & Roles from the menu on the top
Press the Manage button of the profile you want to delete
Scroll to the bottom of the page and press the Delete forever button
Attention:
Deleting a profile is always possible unless it's the profile set as Primary.
In case you would like to eliminate the Primary profile, you first need to set another profile as primary. In order to do so you need to press the Manage Profile button of the profile you want to make your main one and click on Set as primary profile.