surplusage

/sərˈplʌsɪdʒ/
noun
  1. An excess or extra amount; something that is more than what is needed.
    • The report contained a lot of surplusage — unnecessary details that confused the main point.
    • The editor removed the surplusage from the article to make it clearer.
    • In legal writing, judges often strike out surplusage that does not affect the case.