diff --git a/source/MongoDB.Tests/UnitTests/Serialization/Descriptors/ModifierTests.cs b/source/MongoDB.Tests/UnitTests/Serialization/Descriptors/ModifierTests.cs
index 02aa0913..01d7a693 100644
--- a/source/MongoDB.Tests/UnitTests/Serialization/Descriptors/ModifierTests.cs
+++ b/source/MongoDB.Tests/UnitTests/Serialization/Descriptors/ModifierTests.cs
@@ -3,6 +3,7 @@
 namespace MongoDB.UnitTests.Serialization.Descriptors
 {
     [TestFixture]
+    [Ignore("Currently we dose not plan to support this. As alternative you can use Mo or Linq.")]
     public class ModifierTests : SerializationTestBase
     {
         public class ModifierEntity
diff --git a/source/MongoDB/Configuration/CollectionAdapters/ArrayCollectionAdapter.cs b/source/MongoDB/Configuration/CollectionAdapters/ArrayCollectionAdapter.cs
index 6359337a..e2edc0a3 100644
--- a/source/MongoDB/Configuration/CollectionAdapters/ArrayCollectionAdapter.cs
+++ b/source/MongoDB/Configuration/CollectionAdapters/ArrayCollectionAdapter.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections;
-using System.Collections.Generic;
 
 namespace MongoDB.Configuration.CollectionAdapters
 {