3 files changed, 2 insertions, 6 deletions
diff --git a/src/compiler/scala/reflect/quasiquotes/Holes.scala b/src/compiler/scala/reflect/quasiquotes/Holes.scala
index 47084fc317..63be500061 100644
--- a/src/compiler/scala/reflect/quasiquotes/Holes.scala
+++ b/src/compiler/scala/reflect/quasiquotes/Holes.scala
@@ -1,7 +1,6 @@
 package scala.reflect
 package quasiquotes
 
-import scala.collection.{immutable, mutable}
 import scala.reflect.internal.Flags._
 import scala.reflect.macros.TypecheckException
 
@@ -222,7 +221,7 @@ trait Holes { self: Quasiquotes =>
       else if (rank == NoDot) Some(unlifter)
       else {
         val idx = records.indexWhere { p => p._1 =:= tpe && p._2 == rank }
-        val resIdx = if (idx != -1) idx else { records +:= (tpe, rank); records.length - 1}
+        val resIdx = if (idx != -1) idx else { records +:= ((tpe, rank)); records.length - 1}
         Some(Ident(TermName(nme.QUASIQUOTE_UNLIFT_HELPER + resIdx)))
       }
     }
diff --git a/src/compiler/scala/reflect/quasiquotes/Parsers.scala b/src/compiler/scala/reflect/quasiquotes/Parsers.scala
index 108ad0bc2e..c695f438a4 100644
--- a/src/compiler/scala/reflect/quasiquotes/Parsers.scala
+++ b/src/compiler/scala/reflect/quasiquotes/Parsers.scala
@@ -3,10 +3,7 @@ package quasiquotes
 
 import scala.tools.nsc.ast.parser.{Parsers => ScalaParser}
 import scala.tools.nsc.ast.parser.Tokens._
-import scala.compat.Platform.EOL
 import scala.reflect.internal.util.{BatchSourceFile, SourceFile, FreshNameCreator}
-import scala.collection.mutable.ListBuffer
-import scala.util.Try
 
 /** Builds upon the vanilla Scala parser and teams up together with Placeholders.scala to emulate holes.
  *  A principled solution to splicing into Scala syntax would be a parser that natively supports holes.
diff --git a/src/compiler/scala/reflect/quasiquotes/Placeholders.scala b/src/compiler/scala/reflect/quasiquotes/Placeholders.scala
index a5b42f8a1f..bc4f954275 100644
--- a/src/compiler/scala/reflect/quasiquotes/Placeholders.scala
+++ b/src/compiler/scala/reflect/quasiquotes/Placeholders.scala
@@ -2,7 +2,7 @@ package scala.reflect
 package quasiquotes
 
 import java.util.UUID.randomUUID
-import scala.collection.{immutable, mutable}
+import scala.collection.mutable
 
 /** Emulates hole support (see Holes.scala) in the quasiquote parser (see Parsers.scala).
  *  A principled solution to splicing into Scala syntax would be a parser that natively supports holes.