1 files changed, 2 insertions, 3 deletions
diff --git a/src/mscorlib/src/System/Collections/Comparer.cs b/src/mscorlib/src/System/Collections/Comparer.cs
index 11e26252a8..0e3c78b529 100644
--- a/src/mscorlib/src/System/Collections/Comparer.cs
+++ b/src/mscorlib/src/System/Collections/Comparer.cs
@@ -36,7 +36,7 @@ namespace System.Collections {
 
         public Comparer(CultureInfo culture) {
             if (culture==null) {
-                throw new ArgumentNullException("culture");
+                throw new ArgumentNullException(nameof(culture));
             }
             Contract.EndContractBlock();
             m_compareInfo = culture.CompareInfo;
@@ -83,10 +83,9 @@ namespace System.Collections {
             throw new ArgumentException(Environment.GetResourceString("Argument_ImplementIComparable"));
         }
 
-        [System.Security.SecurityCritical]  // auto-generated_required
         public void GetObjectData(SerializationInfo info, StreamingContext context) {
             if (info==null) {
-                throw new ArgumentNullException("info");
+                throw new ArgumentNullException(nameof(info));
             }
             Contract.EndContractBlock();