diff --git a/src/Orchard.Tests/Localization/DateTimePartsTests.cs b/src/Orchard.Tests/Localization/DateTimePartsTests.cs
index 4532b0448..77340e45c 100644
--- a/src/Orchard.Tests/Localization/DateTimePartsTests.cs
+++ b/src/Orchard.Tests/Localization/DateTimePartsTests.cs
@@ -4,7 +4,7 @@ using Orchard.Localization.Models;
 
 namespace Orchard.Tests.Localization {
 
-    [TestFixture]
+    [TestFixture(Ignore = true, IgnoreReason = "Long running tests, stable code.")]
     public class DateTimePartsTests {
 
         [Test]
diff --git a/src/Orchard.Tests/Localization/DefaultDateFormatterTests.cs b/src/Orchard.Tests/Localization/DefaultDateFormatterTests.cs
index 8a4226c84..0e9534109 100644
--- a/src/Orchard.Tests/Localization/DefaultDateFormatterTests.cs
+++ b/src/Orchard.Tests/Localization/DefaultDateFormatterTests.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Concurrent;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Globalization;
 using System.Linq;
@@ -13,7 +12,7 @@ using Orchard.Localization.Services;
 
 namespace Orchard.Tests.Localization {
 
-    [TestFixture]
+    [TestFixture(Ignore = true, IgnoreReason = "Long running tests, stable code.")]
     public class DefaultDateFormatterTests {
 
         [SetUp]