From LQWiki

pvremove is the LVM command to remove a physical volume from the list of accessible volumes. It is the counterpart of pvcreate.

 pvremove  [-d|--debug] [-f[f]|--force [--force]] [-h|--help] [-t|--test] [-v[v]|--verbose [--verbose]] [-y|--yes]
           PhysicalVolume [PhysicalVolume...]