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-rw-r--r--src/library/scala/collection/immutable/TreeMap.scala3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/library/scala/collection/immutable/TreeMap.scala b/src/library/scala/collection/immutable/TreeMap.scala
index b845b76026..2d1bf0f6b1 100644
--- a/src/library/scala/collection/immutable/TreeMap.scala
+++ b/src/library/scala/collection/immutable/TreeMap.scala
@@ -44,8 +44,7 @@ object TreeMap extends ImmutableSortedMapFactory[TreeMap] {
* @define mayNotTerminateInf
* @define willNotTerminateInf
*/
-@deprecatedInheritance("The implementation details of immutable tree maps make inheriting from them unwise.", "2.11.0")
-class TreeMap[A, +B] private (tree: RB.Tree[A, B])(implicit val ordering: Ordering[A])
+final class TreeMap[A, +B] private (tree: RB.Tree[A, B])(implicit val ordering: Ordering[A])
extends SortedMap[A, B]
with SortedMapLike[A, B, TreeMap[A, B]]
with MapLike[A, B, TreeMap[A, B]]