diff --git a/serde/src/de/value.rs b/serde/src/de/value.rs
index d14253716..c3a55a4b4 100644
--- a/serde/src/de/value.rs
+++ b/serde/src/de/value.rs
@@ -1529,7 +1529,6 @@ mod private {
         }
     }
 
-    #[derive(Clone, Debug)]
     pub struct MapAsEnum<A> {
         map: A,
     }