Can I remove the existing keys from the systems databases (db and so on), while still booting my system with Secure Boot?

Solution Unverified - Updated -

Issue

  • I have my system setup with Secure Boot, it works. Now I want to remove the keys which my vendor deployed into the db-database, but I want to keep booting with Secure Boot. Is that technically possible? Is that supported?

Environment

  • Red Hat Enterprise Linux (RHEL) 7 and 8
  • Secure Boot

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