What is the meaning of housecleaning?

noun

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

verb

• Clean and tidy up the house.
  • usage: "She housecleans every week"
  • synonyms: houseclean, clean house, clean