Imported Upstream version 2.0.0.11992upstream/2.0.0.11992

1 files changed, 1 insertions, 26 deletions

diff --git a/src/mscorlib/src/System/Collections/Comparer.cs b/src/mscorlib/src/System/Collections/Comparer.cs
index 7f4f9f0a07..76e19e77f1 100644
--- a/src/mscorlib/src/System/Collections/Comparer.cs
+++ b/src/mscorlib/src/System/Collections/Comparer.cs
@@ -20,7 +20,6 @@ using System.Diagnostics.Contracts;
 
 namespace System.Collections
 {
-    [Serializable]
     internal sealed class Comparer : IComparer, ISerializable
     {
         private CompareInfo m_compareInfo;
@@ -44,21 +43,6 @@ namespace System.Collections
             m_compareInfo = culture.CompareInfo;
         }
 
-        private Comparer(SerializationInfo info, StreamingContext context)
-        {
-            m_compareInfo = null;
-            SerializationInfoEnumerator enumerator = info.GetEnumerator();
-            while (enumerator.MoveNext())
-            {
-                switch (enumerator.Name)
-                {
-                    case CompareInfoName:
-                        m_compareInfo = (CompareInfo)info.GetValue(CompareInfoName, typeof(CompareInfo));
-                        break;
-                }
-            }
-        }
-
         // Compares two Objects by calling CompareTo.  If a == 
         // b,0 is returned.  If a implements 
         // IComparable, a.CompareTo(b) is returned.  If a 
@@ -92,16 +76,7 @@ namespace System.Collections
 
         public void GetObjectData(SerializationInfo info, StreamingContext context)
         {
-            if (info == null)
-            {
-                throw new ArgumentNullException(nameof(info));
-            }
-            Contract.EndContractBlock();
-
-            if (m_compareInfo != null)
-            {
-                info.AddValue(CompareInfoName, m_compareInfo);
-            }
+            throw new PlatformNotSupportedException();
         }
     }
 }