diff --git a/build.sbt b/build.sbt
index b2eb41a3a..86c0e50d4 100644
--- a/build.sbt
+++ b/build.sbt
@@ -117,7 +117,6 @@ lazy val commonSettings = Def.settings(
 
 lazy val root = project
   .in(file("."))
-  //  .enablePlugins(PlayRootProject, ScalaJSPlugin)
   .enablePlugins(ScalaJSPlugin)
   .disablePlugins(MimaPlugin)
   .aggregate(
@@ -133,8 +132,7 @@ lazy val root = project
 lazy val `play-json` = crossProject(JVMPlatform, JSPlatform)
   .crossType(CrossType.Full)
   .in(file("play-json"))
-  //  .enablePlugins(PlayLibrary, Playdoc)
-  .enablePlugins(Publish, Playdoc)
+  .enablePlugins(Omnidoc, Publish, Playdoc)
   .configs(Docs)
   .settings(
     commonSettings ++ playJsonMimaSettings ++ Seq(
@@ -227,7 +225,6 @@ lazy val `play-jsonJVM` = `play-json`.jvm.settings(
 
 lazy val `play-json-joda` = project
   .in(file("play-json-joda"))
-  //  .enablePlugins(PlayLibrary)
   .enablePlugins(Omnidoc, Publish)
   .settings(
     commonSettings ++ playJsonMimaSettings ++ Seq(
@@ -242,7 +239,6 @@ lazy val `play-functional` = crossProject(JVMPlatform, JSPlatform)
   .settings(
     commonSettings ++ playJsonMimaSettings
   )
-  //  .enablePlugins(PlayLibrary)
   .enablePlugins(Omnidoc, Publish)
 
 lazy val `play-functionalJVM` = `play-functional`.jvm
diff --git a/project/Common.scala b/project/Common.scala
index 2af68d312..e57aa2e8c 100644
--- a/project/Common.scala
+++ b/project/Common.scala
@@ -30,6 +30,6 @@ object Common extends AutoPlugin {
         "https://gitter.im/playframework/contributors",
         url("https://github.com/playframework")
       ),
-      description := "Play mailer plugin"
+      description := "Play JSON"
     )
 }
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 302fdf72e..cfaadc8c6 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -1,9 +1,5 @@
 object Dependencies {
   // scalaVersion needs to be kept in sync with travis-ci
-  val Scala210      = "2.10.7"
   val Scala212      = "2.12.10"
   val Scala213      = "2.13.1"
-  val ScalaVersions = Seq(Scala210, Scala212, Scala213)
-
-  val PlayVersion = sys.props.getOrElse("play.version", sys.env.getOrElse("PLAY_VERSION", "2.8.0"))
 }
diff --git a/project/plugins.sbt b/project/plugins.sbt
index f574091b9..e14fa321b 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -5,7 +5,6 @@
 resolvers ++= DefaultOptions.resolvers(snapshot = true)
 resolvers += Resolver.typesafeRepo("releases")
 
-//addSbtPlugin("com.typesafe.play" % "interplay" % sys.props.get("interplay.version").getOrElse("3.0.0"))
 addSbtPlugin("org.foundweekends" % "sbt-bintray" % "0.5.6")
 
 addSbtPlugin("com.typesafe.play" % "play-docs-sbt-plugin" % sys.props.getOrElse("play.version", "2.8.2"))