3 files changed, 6 insertions, 3 deletions
diff --git a/src/dotty/tools/dotc/config/Printers.scala b/src/dotty/tools/dotc/config/Printers.scala
index 183ab35b9..84157f3a9 100644
--- a/src/dotty/tools/dotc/config/Printers.scala
+++ b/src/dotty/tools/dotc/config/Printers.scala
@@ -21,6 +21,6 @@ object Printers {
   val unapp: Printer = noPrinter
   val completions = noPrinter
   val gadts = noPrinter
-  val incremental = new Printer
+  val incremental = noPrinter
 
 }
 \ No newline at end of file
diff --git a/src/dotty/tools/dotc/core/Denotations.scala b/src/dotty/tools/dotc/core/Denotations.scala
index 6cbcd982f..19d80db18 100644
--- a/src/dotty/tools/dotc/core/Denotations.scala
+++ b/src/dotty/tools/dotc/core/Denotations.scala
@@ -459,7 +459,10 @@ object Denotations {
       current
     }
 
-    protected def bringForward()(implicit ctx: Context): SingleDenotation = this match {
+    /** Move validity period of this denotation to a new run. Throw a StaleSymbol error
+     *  if denotation is no longer valid.
+     */
+    private def bringForward()(implicit ctx: Context): SingleDenotation = this match {
       case denot: SymDenotation if ctx.stillValid(denot) =>
         if (denot.exists) assert(ctx.runId > validFor.runId)
         var d: SingleDenotation = denot
diff --git a/src/dotty/tools/dotc/typer/Implicits.scala b/src/dotty/tools/dotc/typer/Implicits.scala
index a5cbef571..5e5077cc4 100644
--- a/src/dotty/tools/dotc/typer/Implicits.scala
+++ b/src/dotty/tools/dotc/typer/Implicits.scala
@@ -343,7 +343,7 @@ trait ImplicitRunInfo { self: RunInfo =>
   }
 
   /** A map that counts the number of times an implicit ref was picked */
-  val useCount: mutable.Map[TermRef, Int] = new mutable.HashMap[TermRef, Int] { // !!!
+  val useCount = new mutable.HashMap[TermRef, Int] {
     override def default(key: TermRef) = 0
   }
 }