1 files changed, 1 insertions, 4 deletions
diff --git a/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/WindowsRuntimeMetadata.cs b/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/WindowsRuntimeMetadata.cs
index e2ad203583..9ca959c528 100644
--- a/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/WindowsRuntimeMetadata.cs
+++ b/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/WindowsRuntimeMetadata.cs
@@ -19,18 +19,16 @@ namespace System.Runtime.InteropServices.WindowsRuntime
     public static class WindowsRuntimeMetadata
     {
         // Wrapper for Win8 API RoResolveNamespace with default Windows SDK path as installed .winmd files in %WINDIR%\system32\WinMetadata.
-        [System.Security.SecurityCritical]
         public static IEnumerable<string> ResolveNamespace(string namespaceName, IEnumerable<string> packageGraphFilePaths)
         {
             return ResolveNamespace(namespaceName, null, packageGraphFilePaths);
         }
 
         // Wrapper for Win8 API RoResolveNamespace.
-        [System.Security.SecurityCritical]
         public static IEnumerable<string> ResolveNamespace(string namespaceName, string windowsSdkFilePath, IEnumerable<string> packageGraphFilePaths)
         {
             if (namespaceName == null)
-                throw new ArgumentNullException("namespaceName");
+                throw new ArgumentNullException(nameof(namespaceName));
             Contract.EndContractBlock();
 
             string[] packageGraphFilePathsArray = null;
@@ -58,7 +56,6 @@ namespace System.Runtime.InteropServices.WindowsRuntime
             return retFileNames;
         }
         
-        [System.Security.SecurityCritical]
         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)]
         [SuppressUnmanagedCodeSecurity]
         private extern static void nResolveNamespace(