1 files changed, 4 insertions, 2 deletions
diff --git a/src/mscorlib/shared/System/InvalidOperationException.cs b/src/mscorlib/shared/System/InvalidOperationException.cs
index 24a08c8089..ad743e05ff 100644
--- a/src/mscorlib/shared/System/InvalidOperationException.cs
+++ b/src/mscorlib/shared/System/InvalidOperationException.cs
@@ -16,7 +16,6 @@ using System.Runtime.Serialization;
 
 namespace System
 {
-    [Serializable]
     public class InvalidOperationException : SystemException
     {
         public InvalidOperationException()
@@ -37,6 +36,9 @@ namespace System
             HResult = __HResults.COR_E_INVALIDOPERATION;
         }
 
-        protected InvalidOperationException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+        protected InvalidOperationException(SerializationInfo info, StreamingContext context) : base(info, context)
+        {
+            throw new PlatformNotSupportedException();
+        }
     }
 }