diff --git a/sdk/src/Core/Amazon.Runtime/Internal/Transform/IXmlUnmarshaller.cs b/sdk/src/Core/Amazon.Runtime/Internal/Transform/IXmlUnmarshaller.cs
index c2a9245c8c34..02bce06686cb 100644
--- a/sdk/src/Core/Amazon.Runtime/Internal/Transform/IXmlUnmarshaller.cs
+++ b/sdk/src/Core/Amazon.Runtime/Internal/Transform/IXmlUnmarshaller.cs
@@ -20,7 +20,6 @@
 using System.Xml;
 using System.IO;
 using Amazon.Util;
-using System.Text.Json;
 
 namespace Amazon.Runtime.Internal.Transform
 {