diff --git a/compiler/src/dotty/tools/dotc/transform/CompleteJavaEnums.scala b/compiler/src/dotty/tools/dotc/transform/CompleteJavaEnums.scala
index 14e1bd065f39..1b18e7c8b0b4 100644
--- a/compiler/src/dotty/tools/dotc/transform/CompleteJavaEnums.scala
+++ b/compiler/src/dotty/tools/dotc/transform/CompleteJavaEnums.scala
@@ -12,6 +12,7 @@ import Symbols._
 import Constants._
 import Decorators._
 import DenotTransformers._
+import dotty.tools.dotc.ast.Trees._
 
 object CompleteJavaEnums {
   val name: String = "completeJavaEnums"
diff --git a/compiler/src/dotty/tools/dotc/transform/SyntheticMembers.scala b/compiler/src/dotty/tools/dotc/transform/SyntheticMembers.scala
index 3256860b4281..60d98a74aaa8 100644
--- a/compiler/src/dotty/tools/dotc/transform/SyntheticMembers.scala
+++ b/compiler/src/dotty/tools/dotc/transform/SyntheticMembers.scala
@@ -122,7 +122,7 @@ class SyntheticMembers(thisPhase: DenotTransformer) {
         case nme.productElement => productElementBody(accessors.length, vrefss.head.head)
       }
       ctx.log(s"adding $synthetic to $clazz at ${ctx.phase}")
-      synthesizeDef(synthetic, syntheticRHS)
+      synthesizeDef(synthetic, treess => ctx => syntheticRHS(treess)(ctx))
     }
 
     /** The class
diff --git a/compiler/src/dotty/tools/dotc/typer/Implicits.scala b/compiler/src/dotty/tools/dotc/typer/Implicits.scala
index b09b221521d5..668001abdae5 100644
--- a/compiler/src/dotty/tools/dotc/typer/Implicits.scala
+++ b/compiler/src/dotty/tools/dotc/typer/Implicits.scala
@@ -26,7 +26,6 @@ import ProtoTypes._
 import ErrorReporting._
 import reporting.diagnostic.Message
 import Inferencing.fullyDefinedType
-import TypeApplications.EtaExpansion
 import Trees._
 import transform.SymUtils._
 import transform.TypeUtils._