1 files changed, 1 insertions, 5 deletions
diff --git a/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/IReadOnlyDictionaryToIMapViewAdapter.cs b/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/IReadOnlyDictionaryToIMapViewAdapter.cs
index d57f8f1f46..b185b41be0 100644
--- a/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/IReadOnlyDictionaryToIMapViewAdapter.cs
+++ b/src/mscorlib/src/System/Runtime/InteropServices/WindowsRuntime/IReadOnlyDictionaryToIMapViewAdapter.cs
@@ -28,11 +28,10 @@ namespace System.Runtime.InteropServices.WindowsRuntime
     {
         private IReadOnlyDictionaryToIMapViewAdapter()
         {
-            Contract.Assert(false, "This class is never instantiated");
+            Debug.Assert(false, "This class is never instantiated");
         }
 
         // V Lookup(K key)
-        [SecurityCritical]
         internal V Lookup<K, V>(K key)
         {
             IReadOnlyDictionary<K, V> _this = JitHelpers.UnsafeCast<IReadOnlyDictionary<K, V>>(this);
@@ -50,7 +49,6 @@ namespace System.Runtime.InteropServices.WindowsRuntime
         }
 
         // uint Size { get }
-        [SecurityCritical]
         internal uint Size<K, V>()
         {
             IReadOnlyDictionary<K, V> _this = JitHelpers.UnsafeCast<IReadOnlyDictionary<K, V>>(this);
@@ -58,7 +56,6 @@ namespace System.Runtime.InteropServices.WindowsRuntime
         }
         
         // bool HasKey(K key)
-        [SecurityCritical]
         internal bool HasKey<K, V>(K key)
         {
             IReadOnlyDictionary<K, V> _this = JitHelpers.UnsafeCast<IReadOnlyDictionary<K, V>>(this);
@@ -66,7 +63,6 @@ namespace System.Runtime.InteropServices.WindowsRuntime
         }
 
         // void Split(out IMapView<K, V> first, out IMapView<K, V> second)
-        [SecurityCritical]
         internal void Split<K, V>(out IMapView<K, V> first, out IMapView<K, V> second)
         {
             IReadOnlyDictionary<K, V> _this = JitHelpers.UnsafeCast<IReadOnlyDictionary<K, V>>(this);