diff --git a/src/Orchard.Tests/DataMigration/DataMigrationTests.cs b/src/Orchard.Tests/DataMigration/DataMigrationTests.cs
index bc3c89cc2..d2f14709d 100644
--- a/src/Orchard.Tests/DataMigration/DataMigrationTests.cs
+++ b/src/Orchard.Tests/DataMigration/DataMigrationTests.cs
@@ -15,7 +15,6 @@ using Orchard.Environment.Extensions;
 using Orchard.Environment.Extensions.Folders;
 using Orchard.Environment.Extensions.Models;
 using Orchard.Tests.ContentManagement;
-using Orchard.Data.Migration;
 using Orchard.Data.Providers;
 
 namespace Orchard.Tests.DataMigration {
diff --git a/src/Orchard.Tests/Environment/Extensions/ExtensionLoaderCoordinatorTests.cs b/src/Orchard.Tests/Environment/Extensions/ExtensionLoaderCoordinatorTests.cs
index 294dae0bf..6e3df715a 100644
--- a/src/Orchard.Tests/Environment/Extensions/ExtensionLoaderCoordinatorTests.cs
+++ b/src/Orchard.Tests/Environment/Extensions/ExtensionLoaderCoordinatorTests.cs
@@ -17,7 +17,6 @@ namespace Orchard.Tests.Environment.Extensions {
     public class ExtensionLoaderCoordinatorTests {
         private IContainer _container;
         private IExtensionManager _manager;
-        private IExtensionLoaderCoordinator _loader;
         private StubFolders _folders;
 
         [SetUp]
diff --git a/src/Orchard.Web/Modules/Orchard.Users/DataMigrations/UsersDataMigration.cs b/src/Orchard.Web/Modules/Orchard.Users/DataMigrations/UsersDataMigration.cs
index d6a00bfeb..89397e04f 100644
--- a/src/Orchard.Web/Modules/Orchard.Users/DataMigrations/UsersDataMigration.cs
+++ b/src/Orchard.Web/Modules/Orchard.Users/DataMigrations/UsersDataMigration.cs
@@ -1,5 +1,4 @@
 using Orchard.Data.Migration;
-using Orchard.Data.Migration;
 
 namespace Orchard.Users.DataMigrations {
     public class UsersDataMigration : DataMigrationImpl {
diff --git a/src/Orchard/ContentManagement/DataMigrations/FrameworkDataMigration.cs b/src/Orchard/ContentManagement/DataMigrations/FrameworkDataMigration.cs
index 3e0ebeabc..acf39e2c2 100644
--- a/src/Orchard/ContentManagement/DataMigrations/FrameworkDataMigration.cs
+++ b/src/Orchard/ContentManagement/DataMigrations/FrameworkDataMigration.cs
@@ -1,6 +1,4 @@
 using Orchard.Data.Migration;
-using Orchard.Data.Migration;
-using Orchard.Environment.Extensions.Models;
 
 namespace Orchard.ContentManagement.DataMigrations {
     public class FrameworkDataMigration : DataMigrationImpl {