diff --git a/tests/Agent/UnitTests/NewRelic.Agent.TestUtilities/JsonExtensions.cs b/tests/Agent/UnitTests/NewRelic.Agent.TestUtilities/JsonExtensions.cs
index 605e6ba94..b1ff94865 100644
--- a/tests/Agent/UnitTests/NewRelic.Agent.TestUtilities/JsonExtensions.cs
+++ b/tests/Agent/UnitTests/NewRelic.Agent.TestUtilities/JsonExtensions.cs
@@ -2,7 +2,6 @@
 // SPDX-License-Identifier: Apache-2.0
 
 using System.Text;
-using System.Text.RegularExpressions;
 using NUnit.Framework;
 
 namespace NewRelic.Agent.TestUtilities