diff --git a/ArcFormats/ArcCommon.cs b/ArcFormats/ArcCommon.cs
index 9a187efc..ad096345 100644
--- a/ArcFormats/ArcCommon.cs
+++ b/ArcFormats/ArcCommon.cs
@@ -177,6 +177,7 @@ namespace GameRes.Formats
     /// <summary>
     /// Create stream in TGA format from the given image pixels.
     /// </summary>
+    [Obsolete]
     public static class TgaStream
     {
         public static Stream Create (ImageMetaData info, byte[] pixels, bool flipped = false)