1 files changed, 1 insertions, 10 deletions
diff --git a/src/mscorlib/src/System/Collections/Comparer.cs b/src/mscorlib/src/System/Collections/Comparer.cs
index 76e19e77f1..00259e6bdb 100644
--- a/src/mscorlib/src/System/Collections/Comparer.cs
+++ b/src/mscorlib/src/System/Collections/Comparer.cs
@@ -13,21 +13,17 @@
 ** 
 ===========================================================*/
 
-using System;
 using System.Globalization;
-using System.Runtime.Serialization;
 using System.Diagnostics.Contracts;
 
 namespace System.Collections
 {
-    internal sealed class Comparer : IComparer, ISerializable
+    internal sealed class Comparer : IComparer
     {
         private CompareInfo m_compareInfo;
         public static readonly Comparer Default = new Comparer(CultureInfo.CurrentCulture);
         public static readonly Comparer DefaultInvariant = new Comparer(CultureInfo.InvariantCulture);
 
-        private const String CompareInfoName = "CompareInfo";
-
         private Comparer()
         {
             m_compareInfo = null;
@@ -73,10 +69,5 @@ namespace System.Collections
 
             throw new ArgumentException(SR.Argument_ImplementIComparable);
         }
-
-        public void GetObjectData(SerializationInfo info, StreamingContext context)
-        {
-            throw new PlatformNotSupportedException();
-        }
     }
 }