Source : WordNet®

housecleaning
     n 1: (figurative) the act of reforming by the removal of unwanted
          personnel or practices or conditions; "more
          housecleaning is in store at other accounting firms";
          "many employees were discharged in a general
          housecleaning by the new owners"
     2: the act of cleaning the rooms and furnishings of a house;
        "efficient housecleaning should proceed one room at a
        time"