1 files changed, 5 insertions, 9 deletions
diff --git a/src/compiler/scala/tools/nsc/settings/Warnings.scala b/src/compiler/scala/tools/nsc/settings/Warnings.scala
index d678fc60a8..d6d77278ab 100644
--- a/src/compiler/scala/tools/nsc/settings/Warnings.scala
+++ b/src/compiler/scala/tools/nsc/settings/Warnings.scala
@@ -39,13 +39,9 @@ trait Warnings {
     BooleanSetting("-Xlint", "Enable recommended additional warnings.")
     withPostSetHook (_ => lintWarnings foreach (_.value = true))
   )
-
-  /*val warnEverything = */ (
+  val warnEverything = (
     BooleanSetting("-Ywarn-all", "Enable all -Y warnings.")
-    withPostSetHook { _ =>
-      lint.value = true
-      allWarnings foreach (_.value = true)
-    }
+    withPostSetHook (_ => lintWarnings foreach (_.value = true))
   )
 
   // Individual warnings.
@@ -61,7 +57,7 @@ trait Warnings {
   val warnInferAny         = BooleanSetting   ("-Ywarn-infer-any", "Warn when a type argument is inferred to be `Any`.")
 
   // Backward compatibility.
-  def Xwarnfatal    = fatalWarnings // used by sbt
-  // def Xchecknull    = warnSelectNullable
-  // def Ywarndeadcode = warnDeadCode
+  def Xwarnfatal    = fatalWarnings
+  def Xchecknull    = warnSelectNullable
+  def Ywarndeadcode = warnDeadCode
 }