1 files changed, 4 insertions, 2 deletions
diff --git a/src/mscorlib/shared/System/ArithmeticException.cs b/src/mscorlib/shared/System/ArithmeticException.cs
index 081ba454f5..2c8abe51fa 100644
--- a/src/mscorlib/shared/System/ArithmeticException.cs
+++ b/src/mscorlib/shared/System/ArithmeticException.cs
@@ -18,7 +18,6 @@ namespace System
     // The ArithmeticException is thrown when overflow or underflow
     // occurs.
     // 
-    [Serializable]
     public class ArithmeticException : SystemException
     {
         // Creates a new ArithmeticException with its message string set to
@@ -46,6 +45,9 @@ namespace System
             HResult = __HResults.COR_E_ARITHMETIC;
         }
 
-        protected ArithmeticException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+        protected ArithmeticException(SerializationInfo info, StreamingContext context) : base(info, context)
+        {
+            throw new PlatformNotSupportedException();
+        }
     }
 }