diff --git a/tests/AnthropicClient.Tests/Unit/Models/ToolTests.cs b/tests/AnthropicClient.Tests/Unit/Models/ToolTests.cs
index a95bdc5..d11e5dd 100644
--- a/tests/AnthropicClient.Tests/Unit/Models/ToolTests.cs
+++ b/tests/AnthropicClient.Tests/Unit/Models/ToolTests.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Text.Json.Nodes;
 
 namespace AnthropicClient.Tests.Unit.Models;