1 files changed, 4 insertions, 2 deletions
diff --git a/src/mscorlib/shared/System/TypeAccessException.cs b/src/mscorlib/shared/System/TypeAccessException.cs
index 32afbdfeb8..302dcb1ac1 100644
--- a/src/mscorlib/shared/System/TypeAccessException.cs
+++ b/src/mscorlib/shared/System/TypeAccessException.cs
@@ -8,7 +8,6 @@ namespace System
 {
     // TypeAccessException derives from TypeLoadException rather than MemberAccessException because in
     // pre-v4 releases of the runtime TypeLoadException was used in lieu of a TypeAccessException.
-    [Serializable]
     public class TypeAccessException : TypeLoadException
     {
         public TypeAccessException()
@@ -29,6 +28,9 @@ namespace System
             HResult = __HResults.COR_E_TYPEACCESS;
         }
 
-        protected TypeAccessException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+        protected TypeAccessException(SerializationInfo info, StreamingContext context) : base(info, context)
+        {
+            throw new PlatformNotSupportedException();
+        }
     }
 }