How to clean overlay2?

How to clean up the overlay2 directory?
There are no containers running, no images, no volumes.
I tried to remove it simply through rm -rf, but then all sorts of problems arise that some containers do not start.

on the same server is jenkins for build images.

[12:44]root@build /var/lib/docker/overlay2 # du -sh .
171G	.

[13:13]root@build /var/lib/docker/overlay2 # docker system prune --all --volumes --force
Total reclaimed space: 0B

[13:14]root@build /var/lib/docker/overlay2 # docker builder prune --all --force
Total:	0B

[13:14]root@build /var/lib/docker/overlay2 # docker images
REPOSITORY   TAG       IMAGE ID   CREATED   SIZE

[13:15]root@build /var/lib/docker/overlay2 # docker volume ls
DRIVER    VOLUME NAME

[13:15]root@build /var/lib/docker/overlay2 # docker ps -a
CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES

[13:15]root@build /var/lib/docker/overlay2 # docker system df
TYPE            TOTAL     ACTIVE    SIZE      RECLAIMABLE
Images          0         0         0B        0B
Containers      0         0         0B        0B
Local Volumes   0         0         0B        0B
Build Cache     0         0         0B        0B