# rpmkeys > Tool to import and remove RPM keys for RPM repositories. > When adding an RPM repository, you must also import the corresponding RPM key. > More information: . - List all imported RPM keys. Also outputs its Key ID needed for deleting a imported RPM key: `sudo rpmkeys --list` - Remove/Delete a previously imported RPM key, given by its 16-Number/Letters Key ID: `sudo rpmkeys --delete {{5a278d9c-5bbc73cb}}` - Import an RPM key of repository: `sudo rpmkeys --import {{path/to/rpm_key}}`