diff --git a/test/Microsoft.AspNet.Routing.Tests/ConstraintsBuilderTests.cs b/test/Microsoft.AspNet.Routing.Tests/ConstraintsBuilderTests.cs
index b6b31341da..30a562a01e 100644
--- a/test/Microsoft.AspNet.Routing.Tests/ConstraintsBuilderTests.cs
+++ b/test/Microsoft.AspNet.Routing.Tests/ConstraintsBuilderTests.cs
@@ -1,9 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Microsoft.AspNet.Abstractions;
 using Microsoft.AspNet.Testing;
 using Moq;
 using Xunit;