AWS S3 bucket growing larger after every image pruning operation on Openshift

Issue

• While using AWS S3 bucket as storage backend of internal docker registry, the size of S3 bucket is growing rapidly after any image pruning operation using following command

oc adm prune images --keep-tag-revisions=3 --keep-younger-than=24h --registry-url=https://docker-registry-default.apps.test-cluster.com --confirm