diff --git a/Src/CSharpier.Playground/Controllers/FormatController.cs b/Src/CSharpier.Playground/Controllers/FormatController.cs
index 6ceacc8da..64b7c2706 100644
--- a/Src/CSharpier.Playground/Controllers/FormatController.cs
+++ b/Src/CSharpier.Playground/Controllers/FormatController.cs
@@ -34,7 +34,7 @@ public FormatController(ILogger<FormatController> logger)
     [HttpPost]
     public async Task<FormatResult> Post([FromBody] string content, string fileExtension)
     {
-        // TODO use the proper formatter class?
+        // TODO xml use the proper formatter class?
         if (fileExtension == "cs")
         {
             var result = await CSharpFormatter.FormatAsync(
diff --git a/Src/CSharpier/XmlFormatter.cs b/Src/CSharpier/XmlFormatter.cs
deleted file mode 100644
index f40076234..000000000
--- a/Src/CSharpier/XmlFormatter.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-namespace CSharpier;
-
-internal class XmlFormatter : IFormatter
-{
-    public Task<CodeFormatterResult> FormatAsync(
-        string code,
-        PrinterOptions printerOptions,
-        CancellationToken cancellationToken
-    )
-    {
-        throw new NotImplementedException();
-    }
-}