diff --git a/project/Publish.scala b/project/Publish.scala
deleted file mode 100644
index f7700e6..0000000
--- a/project/Publish.scala
+++ /dev/null
@@ -1,46 +0,0 @@
-import sbt.Keys._
-//import com.typesafe.sbt.SbtPgp.autoImportImpl.useGpg
-import sbt.{ AutoPlugin, Credentials, Path, PluginTrigger, _ }
-
-object Publish extends AutoPlugin {
-
-  override def trigger: PluginTrigger = allRequirements
-
-  override def projectSettings: Seq[_root_.sbt.Def.Setting[_]] = Seq(
-    //    useGpg := false,
-    publishMavenStyle := true,
-    pomAllRepositories := false,
-    pomIncludeRepository := { (repo: MavenRepository) ⇒
-      lazy val port = new URL(repo.root).getPort
-      !repo.root.startsWith("file:") && Seq(-1, 80, 443).contains(port)
-    },
-    credentials += Credentials(Path.userHome / ".sbt" / ".credentials"),
-    publishTo := {
-      val nexus = "https://oss.sonatype.org/"
-      if (isSnapshot.value) {
-        Some("snapshots" at nexus + "content/repositories/snapshots")
-      } else {
-        Some("releases" at nexus + "service/local/staging/deploy/maven2")
-      }
-    },
-    pomExtra :=
-      <url>https://github.com/aiyanbo/sbt-dependency-updates</url>
-      <licenses>
-        <license>
-          <name>Apache License</name>
-          <url>https://www.apache.org/licenses/</url>
-          <distribution>repo</distribution>
-        </license>
-      </licenses>
-      <scm>
-        <url>git@github.com/aiyanbo/sbt-dependency-updates.git</url>
-        <connection>scm:git:git@github.com/aiyanbo/sbt-dependency-updates.git</connection>
-      </scm>
-      <developers>
-        <developer>
-          <id>yanbo.ai</id>
-          <name>Andy Ai</name>
-          <url>https://aiyanbo.github.io/</url>
-        </developer>
-      </developers>)
-}