1 files changed, 0 insertions, 3 deletions
diff --git a/src/mscorlib/shared/System/MulticastNotSupportedException.cs b/src/mscorlib/shared/System/MulticastNotSupportedException.cs
index 4fcaa9857d..493671e227 100644
--- a/src/mscorlib/shared/System/MulticastNotSupportedException.cs
+++ b/src/mscorlib/shared/System/MulticastNotSupportedException.cs
@@ -11,7 +11,6 @@ using System.Runtime.Serialization;
 
 namespace System
 {
-    [Serializable]
     public sealed class MulticastNotSupportedException : SystemException
     {
         public MulticastNotSupportedException()
@@ -31,7 +30,5 @@ namespace System
         {
             HResult = __HResults.COR_E_MULTICASTNOTSUPPORTED;
         }
-
-        internal MulticastNotSupportedException(SerializationInfo info, StreamingContext context) : base(info, context) { }
     }
 }