Ignore layer.tar in Lifecycle Scans

I am running Lifecycle scans on Docker images that are tarballed for Lifecycle to scan. It seems from the documentation here (Containers in IQ Server - Sonatype Guides) that there are many layer.tar created to facilitate the scanning. However, these layer.tar are always found as an Unknown-Component in our scans. Unknown-Components is still a policy we would like to know about, however seeing many layer.tar alerts can definitely cause some fatigue. Is there a supported workaround for this?