• Oxbow code (code that was once used but is no longer in use)
• Jeroen's elm-review-unused elm-review rule
• Jeroen's blog post Safe dead code removal in a pure functional language blog post
• elm-review-simplify
• Getting Things Done (GTD) methodology
• Inbox Zero
• Jeroen's no-extraneous-dependencies rule
• Try out elm-review-unused with elm-review --template jfmengels/elm-review-unused/example
• Jeroen's You thought you had no dead code post