diff --git a/tests/ImageSharp.Tests/Formats/Png/PngEncoderTests.cs b/tests/ImageSharp.Tests/Formats/Png/PngEncoderTests.cs
index 04f2ba7e0..93ea73eb4 100644
--- a/tests/ImageSharp.Tests/Formats/Png/PngEncoderTests.cs
+++ b/tests/ImageSharp.Tests/Formats/Png/PngEncoderTests.cs
@@ -237,7 +237,6 @@ namespace SixLabors.ImageSharp.Tests.Formats.Png
         {
             foreach (var filterMethod in PngFilterMethods)
             {
-                pngColorType,
                 foreach (PngInterlaceMode interlaceMode in InterlaceMode)
                 {
                     TestPngEncoderCore(