diff --git a/test/Nogic.WritableOptions.Tests/JsonWritableOptions.Test.cs b/test/Nogic.WritableOptions.Tests/JsonWritableOptions.Test.cs
index 9709f28c..8a86c70a 100644
--- a/test/Nogic.WritableOptions.Tests/JsonWritableOptions.Test.cs
+++ b/test/Nogic.WritableOptions.Tests/JsonWritableOptions.Test.cs
@@ -1,4 +1,3 @@
-using System.IO;
 using System.Text;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Options;