diff --git a/src/Orchard.Tests/Environment/Extensions/ExtensionFoldersTests.cs b/src/Orchard.Tests/Environment/Extensions/ExtensionFoldersTests.cs
index c80d090f6..9b4a24afe 100644
--- a/src/Orchard.Tests/Environment/Extensions/ExtensionFoldersTests.cs
+++ b/src/Orchard.Tests/Environment/Extensions/ExtensionFoldersTests.cs
@@ -1,13 +1,8 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
+using System.IO;
using System.Linq;
using NUnit.Framework;
-using Orchard.Caching;
using Orchard.Environment.Extensions.Folders;
-using Orchard.FileSystems.WebSite;
using Orchard.Tests.Stubs;
-using Yaml.Grammar;
namespace Orchard.Tests.Environment.Extensions {
[TestFixture]
diff --git a/src/Orchard.Tests/Orchard.Framework.Tests.csproj b/src/Orchard.Tests/Orchard.Framework.Tests.csproj
index f731ae7c3..f4fb5c2d3 100644
--- a/src/Orchard.Tests/Orchard.Framework.Tests.csproj
+++ b/src/Orchard.Tests/Orchard.Framework.Tests.csproj
@@ -152,10 +152,6 @@
3.5
-
- False
- ..\..\lib\yaml\Yaml.dll
-