1 files changed, 2 insertions, 6 deletions
diff --git a/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/IReadOnlyListToIVectorViewAdapter.cs b/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/IReadOnlyListToIVectorViewAdapter.cs
index 95780bcb13..431d16256e 100644
--- a/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/IReadOnlyListToIVectorViewAdapter.cs
+++ b/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/IReadOnlyListToIVectorViewAdapter.cs
@@ -28,11 +28,10 @@ namespace System.Runtime.InteropServices.WindowsRuntime
     {
         private IReadOnlyListToIVectorViewAdapter()
         {
-            Contract.Assert(false, "This class is never instantiated");
+            Debug.Assert(false, "This class is never instantiated");
         }
 
         // T GetAt(uint index)
-        [SecurityCritical]
         internal T GetAt<T>(uint index)
         {
             IReadOnlyList<T> _this = JitHelpers.UnsafeCast<IReadOnlyList<T>>(this);
@@ -50,7 +49,6 @@ namespace System.Runtime.InteropServices.WindowsRuntime
         }
 
         // uint Size { get }
-        [SecurityCritical]
         internal uint Size<T>()
         {
             IReadOnlyList<T> _this = JitHelpers.UnsafeCast<IReadOnlyList<T>>(this);
@@ -58,7 +56,6 @@ namespace System.Runtime.InteropServices.WindowsRuntime
         }
 
         // bool IndexOf(T value, out uint index)
-        [SecurityCritical]
         internal bool IndexOf<T>(T value, out uint index)
         {
             IReadOnlyList<T> _this = JitHelpers.UnsafeCast<IReadOnlyList<T>>(this);
@@ -85,7 +82,6 @@ namespace System.Runtime.InteropServices.WindowsRuntime
         }
 
         // uint GetMany(uint startIndex, T[] items)
-        [SecurityCritical]
         internal uint GetMany<T>(uint startIndex, T[] items)
         {
             IReadOnlyList<T> _this = JitHelpers.UnsafeCast<IReadOnlyList<T>>(this);
@@ -130,7 +126,7 @@ namespace System.Runtime.InteropServices.WindowsRuntime
             // that Size > Int32.MaxValue:
             if (((uint)Int32.MaxValue) <= index || index >= (uint)listCapacity)
             {
-                Exception e = new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_IndexLargerThanMaxValue"));
+                Exception e = new ArgumentOutOfRangeException(nameof(index), Environment.GetResourceString("ArgumentOutOfRange_IndexLargerThanMaxValue"));
                 e.SetErrorCode(__HResults.E_BOUNDS);
                 throw e;
             }