6.2.
$ oc adm prune renderedmachineconfigs --pool-name=workerDry run enabled - no modifications will be made. Add --confirm to remove rendered machine configs. dry-run deleting rendered MachineConfig rendered-worker-f38bf61ced3c920cf5a29a200ed43243 dry-run deleting MachineConfig rendered-worker-fc94397dc7c43808c7014683c208956e Skip dry-run deleting rendered MachineConfig rendered-worker-708c652868f7597eaa1e2622edc366ef as it's currently in use$ oc adm prune renderedmachineconfigs --pool-name=worker --count=2 --confirmdeleting rendered MachineConfig rendered-worker-f38bf61ced3c920cf5a29a200ed43243 deleting rendered MachineConfig rendered-worker-fc94397dc7c43808c7014683c208956e Skip deleting rendered MachineConfig rendered-worker-708c652868f7597eaa1e2622edc366ef as it's currently in use