diff --git a/github-actions/src/main/scala/com/thoughtworks/sbtBestPractice/githubActions/GithubActionsUnidoc.scala b/github-actions/src/main/scala/com/thoughtworks/sbtBestPractice/githubActions/GithubActionsUnidoc.scala
deleted file mode 100644
index 46e909e..0000000
--- a/github-actions/src/main/scala/com/thoughtworks/sbtBestPractice/githubActions/GithubActionsUnidoc.scala
+++ /dev/null
@@ -1,33 +0,0 @@
-package com.thoughtworks.sbtBestPractice.githubActions
-
-import sbt.plugins.JvmPlugin
-import sbt._
-import Keys._
-import sbtunidoc.{ScalaUnidocPlugin, UnidocKeys}
-
-/**
-  * @author 杨博 (Yang Bo) <pop.atry@gmail.com>
-  */
-object GithubActionsUnidoc extends AutoPlugin with UnidocKeys {
-  override def requires: Plugins = GithubActionsEnvironmentVariables && JvmPlugin && ScalaUnidocPlugin
-
-  override def trigger: PluginTrigger = allRequirements
-
-  override def projectSettings = Seq(
-    scalacOptions in Compile in doc := {
-      val originalScalacOptions = (scalacOptions in Compile in doc).value
-      GithubActionsEnvironmentVariables.githubRepository.?.value match {
-        case Some(slug) =>
-          originalScalacOptions.indexOf("-doc-title") match {
-            case -1 =>
-              originalScalacOptions ++ Seq("-doc-title", slug)
-            case i =>
-              originalScalacOptions.updated(i + 1, slug)
-          }
-        case None =>
-          originalScalacOptions
-      }
-    }
-  )
-
-}