1 files changed, 1 insertions, 2 deletions
diff --git a/src/library/scala/collection/mutable/LinkedEntry.scala b/src/library/scala/collection/mutable/LinkedEntry.scala
index 667d45b637..be220cdd7a 100644
--- a/src/library/scala/collection/mutable/LinkedEntry.scala
+++ b/src/library/scala/collection/mutable/LinkedEntry.scala
@@ -14,9 +14,8 @@ package mutable
 /** Class for the linked hash map entry, used internally.
  *  @since 2.8
  */
-@serializable
 final class LinkedEntry[A, B](val key: A, var value: B)
-      extends HashEntry[A, LinkedEntry[A, B]] {
+      extends HashEntry[A, LinkedEntry[A, B]] with Serializable {
   var earlier: LinkedEntry[A, B] = null
   var later: LinkedEntry[A, B] = null
 }