diff --git a/tests/src/test/scala/org/json4s/native/MapSerializationExamples.scala b/tests/src/test/scala/org/json4s/native/MapSerializationExamples.scala
index 6c64d7d8c..0d6d881c9 100644
--- a/tests/src/test/scala/org/json4s/native/MapSerializationExamples.scala
+++ b/tests/src/test/scala/org/json4s/native/MapSerializationExamples.scala
@@ -48,9 +48,7 @@ class MapSerializationExamples extends Specification {
   "Map with Timestamp key" in {
     val t2013 = new Timestamp(1356998400)
     val t2014 = new Timestamp(1388534400)
-    // TODO use Map.apply instead of "new Map.Map2" when 2.13.0-M5 released
-    // https://github.com/scala/scala/commit/6a570b6f1f59222cae4f55aa25d48e3d4c22ea59
-    val pw: Map[Timestamp, String] = new Map.Map2(t2013, "hello", t2014, "world")
+    val pw: Map[Timestamp, String] = Map(t2013 -> "hello", t2014 -> "world")
     val ser = swrite(pw)
 
     val f2013 = formats.dateFormat.format(t2013)
@@ -80,9 +78,7 @@ class MapSerializationExamples extends Specification {
   }
 
   "case class with custom map" in {
-    // TODO use Map.apply instead of "new Map.Map2" when 2.13.0-M5 released
-    // https://github.com/scala/scala/commit/6a570b6f1f59222cae4f55aa25d48e3d4c22ea59
-    val pw = PlayerWithCustomMap("zortan", new Map.Map2("2013", "zortan13", "2014", "zortan14"))
+    val pw = PlayerWithCustomMap("zortan", Map("2013" -> "zortan13", "2014" -> "zortan14"))
     val ser = swrite(pw)
     val s: String = """{"name":"zortan","aliasByYear":{"2013":"zortan13","2014":"zortan14"}}"""
     ser must_== s
diff --git a/tests/src/test/scala/org/json4s/native/SerializationExamples.scala b/tests/src/test/scala/org/json4s/native/SerializationExamples.scala
index 8c0fc6497..d44d752d6 100644
--- a/tests/src/test/scala/org/json4s/native/SerializationExamples.scala
+++ b/tests/src/test/scala/org/json4s/native/SerializationExamples.scala
@@ -170,9 +170,7 @@ object SerializationExamples extends Specification {
   }
 
   "Generic Map with simple values example" in {
-    // TODO use Map.apply instead of "new Map.Map2" when 2.13.0-M5 released
-    // https://github.com/scala/scala/commit/6a570b6f1f59222cae4f55aa25d48e3d4c22ea59
-    val pw = PlayerWithGenericMap("zortan", new Map.Map2("1", "asd", "a", 3))
+    val pw = PlayerWithGenericMap("zortan", Map("1" -> "asd", "a" -> 3))
     val ser = swrite(pw)
     ser must_== """{"name":"zortan","infomap":{"1":"asd","a":3}}"""
     read[PlayerWithGenericMap](ser) must_== pw
@@ -180,9 +178,7 @@ object SerializationExamples extends Specification {
 
   "Generic Map with case class and type hint example" in {
     implicit val formats = native.Serialization.formats(ShortTypeHints(List(classOf[Player])))
-    // TODO use Map.apply instead of "new Map.Map3" when 2.13.0-M5 released
-    // https://github.com/scala/scala/commit/6a570b6f1f59222cae4f55aa25d48e3d4c22ea59
-    val pw = PlayerWithGenericMap("zortan", new Map.Map3("1", "asd", "a", 3, "friend", Player("joe")))
+    val pw = PlayerWithGenericMap("zortan", Map("1" -> "asd", "a" -> 3, "friend" -> Player("joe")))
     val ser = swrite(pw)
     ser must_== """{"name":"zortan","infomap":{"1":"asd","a":3,"friend":{"jsonClass":"Player","name":"joe"}}}"""
     read[PlayerWithGenericMap](ser) must_== pw