1 files changed, 1 insertions, 5 deletions
diff --git a/src/mscorlib/src/System/Reflection/RuntimeConstructorInfo.cs b/src/mscorlib/src/System/Reflection/RuntimeConstructorInfo.cs
index 8c3b1fce98..e0fb3ec87d 100644
--- a/src/mscorlib/src/System/Reflection/RuntimeConstructorInfo.cs
+++ b/src/mscorlib/src/System/Reflection/RuntimeConstructorInfo.cs
@@ -11,7 +11,6 @@ using RuntimeTypeCache = System.RuntimeType.RuntimeTypeCache;
 
 namespace System.Reflection
 {
-    [Serializable]
     internal sealed class RuntimeConstructorInfo : ConstructorInfo, ISerializable, IRuntimeMethodInfo
     {
         #region Private Data Members
@@ -465,10 +464,7 @@ namespace System.Reflection
         #region ISerializable Implementation
         public void GetObjectData(SerializationInfo info, StreamingContext context)
         {
-            if (info == null)
-                throw new ArgumentNullException(nameof(info));
-            Contract.EndContractBlock();
-            MemberInfoSerializationHolder.GetSerializationInfo(info, this);
+            throw new PlatformNotSupportedException();
         }
 
         internal string SerializationToString()