diff --git a/build.sbt b/build.sbt
index faa7af5e..5869eae4 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ import sbtcrossproject.crossProject
 
 scalaVersionsByJvm in ThisBuild := {
   val v211 = "2.11.12"
-  val v212 = "2.12.6"
+  val v212 = "2.12.7"
   val v213 = "2.13.0-M5"
 
   val allFalse = List(v212 -> false, v213 -> false, v211 -> false)
diff --git a/shared/src/main/scala/scala/util/parsing/combinator/Parsers.scala b/shared/src/main/scala/scala/util/parsing/combinator/Parsers.scala
index fe27627b..f8ed8b11 100644
--- a/shared/src/main/scala/scala/util/parsing/combinator/Parsers.scala
+++ b/shared/src/main/scala/scala/util/parsing/combinator/Parsers.scala
@@ -14,7 +14,6 @@ import scala.collection.mutable.ListBuffer
 import scala.annotation.tailrec
 import scala.annotation.migration
 import scala.language.implicitConversions
-import scala.util.DynamicVariable
 
 // TODO: better error handling (labelling like parsec's <?>)