xuwei-k/unused-code

---

xuwei-k/unused-code.json

{
  "createdAt": "2022-02-12T08:54:28Z",
  "defaultBranch": "main",
  "description": "find and remove unused scala code",
  "fullName": "xuwei-k/unused-code",
  "homepage": "",
  "language": "Scala",
  "name": "unused-code",
  "pushedAt": "2025-11-26T21:56:35Z",
  "stargazersCount": 74,
  "topics": [
    "sbt-plugin",
    "scala",
    "scalafix-rule"
  ],
  "updatedAt": "2025-11-26T21:56:39Z",
  "url": "https://github.com/xuwei-k/unused-code"
}

Unused Code

find and warn, remove unused public classes, methods by scalafix SyntacticRule.

setup

project/plugins.sbt

addSbtPlugin("com.github.xuwei-k" % "unused-code-plugin" % "version")

sbt shell

> unusedCode
> scalafix WarnUnusedCode
> scalafix RemoveUnusedCode

config example

build.sbt

import scala.concurrent.duration.*

ThisBuild / unusedCodeConfig ~= { c =>
  c.copy(
    excludeNameRegex = Set(
      ".*Server"
    ),
    excludePath = c.excludePath ++ Set(
      "glob:some-project/**"
    ),
    excludeGitLastCommit = Some(
      365.days
    ),
    excludeMainMethod = false,
    dialect = unused_code.Dialect.Scala3,
  )
}