You can delete certificate award attributes only if they are not used in any live certifications awarded learners. Learners' certifications are listed in the Certifications page in their Career Center, and you can also see which certifications have attributes by running the Certifications reports. You also must have unrestricted access permission for a certification to delete it.
Administrators with unrestricted access to the Certification Award Attributes features in System Roles (Manage Features > Certification Manager) can delete certificate award attributes.
To delete a certificate award attribute
Additional Information