Scala 2.13 support (#1751)

1 files changed, 2 insertions, 2 deletions

diff --git a/core/src/main/scala/chisel3/Module.scala b/core/src/main/scala/chisel3/Module.scala
index ede9ccc6..b204be8d 100644
--- a/core/src/main/scala/chisel3/Module.scala
+++ b/core/src/main/scala/chisel3/Module.scala
@@ -4,9 +4,7 @@ package chisel3
 
 import scala.collection.immutable.ListMap
 import scala.collection.mutable.{ArrayBuffer, HashMap}
-import scala.collection.JavaConversions._
 import scala.language.experimental.macros
-import java.util.IdentityHashMap
 
 import chisel3.internal._
 import chisel3.internal.Builder._
@@ -139,6 +137,8 @@ abstract class Module(implicit moduleCompileOptions: CompileOptions) extends Raw
 
 package experimental {
 
+  import chisel3.internal.requireIsChiselType // Fix ambiguous import
+
   object IO {
     /** Constructs a port for the current Module
       *