diff --git a/src/Tomlyn.Tests/ModelTests/ReflectionModelTests.cs b/src/Tomlyn.Tests/ModelTests/ReflectionModelTests.cs
index 930f4f0..11b0cb4 100644
--- a/src/Tomlyn.Tests/ModelTests/ReflectionModelTests.cs
+++ b/src/Tomlyn.Tests/ModelTests/ReflectionModelTests.cs
@@ -6,7 +6,6 @@
 using System.Diagnostics;
 using System.Text.Json.Serialization;
 using NUnit.Framework;
-using NUnit.Framework.Constraints;
 using Tomlyn.Model;
 
 namespace Tomlyn.Tests