diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index e4a8a4cb5c..7f75c1f0b0 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -1638,10 +1638,9 @@ namespace MediaBrowser.Controller.MediaEncoding
             }
 
             if (string.Equals(videoCodec, "h264_amf", StringComparison.OrdinalIgnoreCase)
-                || string.Equals(videoCodec, "hevc_amf", StringComparison.OrdinalIgnoreCase)
-                || string.Equals(videoCodec, "av1_amf", StringComparison.OrdinalIgnoreCase))
+                || string.Equals(videoCodec, "hevc_amf", StringComparison.OrdinalIgnoreCase))
             {
-                // Override the too high default qmin 18 in transcoding preset
+                // Override the too high default qmin 18 in transcoding preset in legacy h26x_amf
                 return FormattableString.Invariant($" -rc cbr -qmin 0 -qmax 32 -b:v {bitrate} -maxrate {bitrate} -bufsize {bufsize}");
             }