1 files changed, 0 insertions, 6 deletions
diff --git a/src/mscorlib/shared/System/Threading/ThreadStartException.cs b/src/mscorlib/shared/System/Threading/ThreadStartException.cs
index 2ff77bc5fd..7a87943ed1 100644
--- a/src/mscorlib/shared/System/Threading/ThreadStartException.cs
+++ b/src/mscorlib/shared/System/Threading/ThreadStartException.cs
@@ -6,7 +6,6 @@ using System.Runtime.Serialization;
 
 namespace System.Threading
 {
-    [Serializable]
     public sealed class ThreadStartException : SystemException
     {
         internal ThreadStartException()
@@ -20,10 +19,5 @@ namespace System.Threading
         {
             HResult = __HResults.COR_E_THREADSTART;
         }
-
-        internal ThreadStartException(SerializationInfo info, StreamingContext context)
-            : base(info, context)
-        {
-        }
     }
 }