overedit

/ˌoʊvərˈɛdɪt/
verb
  1. To edit something too much, often making it worse or less natural.
    • He tends to overedit his essays, removing all personality from the writing.
    • If you overedit your photos, they can look fake and unnatural.
    • The writer warned her editor not to overedit the manuscript and lose the author's voice.