“Legacy code is simply code without tests”
- Michael Feathers
“Legacy code: Code that’s too scary to update and too profitable to delete”
- Dylan Beattie
Dylan and J.B. came up with the same quote:
“[Legacy code is] very profitable code that we’re afraid to change”
- J.B. Rainsberger
All three quotes found in: Dylan Beattie, 2019, “Ctrl-Alt-Del: Learning to Love Legacy Code”, NDC London 2019 https://www.youtube.com/watch?v=wPjHuvulivM