pvremove [-d|--debug] [-h|--help] [-t|--test] [-v|--verbose] [--version] [-f[f]|--force [--force]] [-y|--yes] PhysicalVolume [PhysicalVolume...]
pvremove wipes the label on a device so that LVM will no longer recognise it as a physical volume.
See lvm(8) for common options. -ff, --force --force
Force the removal of a physical volume belonging to an existing volume group. Normally vgreduce(8) should be used instead of this command. You cannot remove a physical volume which in use by some active logical volume.
Answer yes to all questions.
lvm(8), pvcreate(8), pvdisplay(8), vgreduce(8)