From 995f8fb478534fe715434d5fcd9aa438d14c4af3 Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Wed, 29 Jul 2020 15:58:04 +0100
Subject: [PATCH] Use unmanaged constraint.

---
 src/ImageSharp/Formats/Jpeg/Components/GenericBlock8x8.cs | 3 +--
 src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs            | 1 -
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/ImageSharp/Formats/Jpeg/Components/GenericBlock8x8.cs b/src/ImageSharp/Formats/Jpeg/Components/GenericBlock8x8.cs
index 7fe7d869c..38b902b88 100644
--- a/src/ImageSharp/Formats/Jpeg/Components/GenericBlock8x8.cs
+++ b/src/ImageSharp/Formats/Jpeg/Components/GenericBlock8x8.cs
@@ -4,7 +4,6 @@
 using System;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
-using SixLabors.ImageSharp.Advanced;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
@@ -16,7 +15,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components
     /// </summary>
     [StructLayout(LayoutKind.Sequential)]
     internal unsafe partial struct GenericBlock8x8<T>
-        where T : struct
+        where T : unmanaged
     {
         public const int Size = 64;
 
diff --git a/src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs b/src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs
index 26e804b92..37bfe6bcf 100644
--- a/src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs
+++ b/src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs
@@ -6,7 +6,6 @@ using System.Buffers.Binary;
 using System.IO;
 using System.Linq;
 using System.Runtime.CompilerServices;
-using System.Threading.Tasks;
 using SixLabors.ImageSharp.Common.Helpers;
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder;