1 files changed, 1 insertions, 4 deletions
diff --git a/src/mscorlib/src/System/Reflection/TypeDelegator.cs b/src/mscorlib/src/System/Reflection/TypeDelegator.cs
index cad4a4295a..d715df8950 100644
--- a/src/mscorlib/src/System/Reflection/TypeDelegator.cs
+++ b/src/mscorlib/src/System/Reflection/TypeDelegator.cs
@@ -24,14 +24,11 @@ namespace System.Reflection {
 
         protected Type typeImpl;
         
-        #if FEATURE_CORECLR
-        [System.Security.SecuritySafeCritical] // auto-generated
-        #endif
         protected TypeDelegator() {}
         
         public TypeDelegator(Type delegatingType) {
             if (delegatingType == null)
-                throw new ArgumentNullException("delegatingType");
+                throw new ArgumentNullException(nameof(delegatingType));
             Contract.EndContractBlock();
                 
             typeImpl = delegatingType;