diff --git a/src/ImageSharp/Processing/Processors/Transforms/IResampler.cs b/src/ImageSharp/Processing/Processors/Transforms/IResampler.cs
index c0c3be869..55eebba4f 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/IResampler.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/IResampler.cs
@@ -30,6 +30,6 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="processor">The transforming image processor.</param>
         void ApplyTransform<TPixel>(IResamplingTransformImageProcessor<TPixel> processor)
-            where TPixel : struct, IPixel<TPixel>;
+            where TPixel : unmanaged, IPixel<TPixel>;
     }
 }
diff --git a/src/ImageSharp/Processing/Processors/Transforms/IResamplingTransformImageProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Transforms/IResamplingTransformImageProcessor{TPixel}.cs
index ab750f7fb..02df8282f 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/IResamplingTransformImageProcessor{TPixel}.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/IResamplingTransformImageProcessor{TPixel}.cs
@@ -10,7 +10,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
     /// </summary>
     /// <typeparam name="TPixel">The pixel format.</typeparam>
     public interface IResamplingTransformImageProcessor<TPixel> : IImageProcessor<TPixel>
-        where TPixel : struct, IPixel<TPixel>
+        where TPixel : unmanaged, IPixel<TPixel>
     {
         /// <summary>
         /// Applies a resampling transform with the given sampler.
diff --git a/src/ImageSharp/Processing/Processors/Transforms/Linear/AffineTransformProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Transforms/Linear/AffineTransformProcessor{TPixel}.cs
index 72bfa4c0b..ac18c67cd 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/Linear/AffineTransformProcessor{TPixel}.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/Linear/AffineTransformProcessor{TPixel}.cs
@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
     /// </summary>
     /// <typeparam name="TPixel">The pixel format.</typeparam>
     internal class AffineTransformProcessor<TPixel> : TransformProcessor<TPixel>, IResamplingTransformImageProcessor<TPixel>
-        where TPixel : struct, IPixel<TPixel>
+        where TPixel : unmanaged, IPixel<TPixel>
     {
         private readonly Size destinationSize;
         private readonly Matrix3x2 transformMatrix;
diff --git a/src/ImageSharp/Processing/Processors/Transforms/Linear/LinearTransformUtilities.cs b/src/ImageSharp/Processing/Processors/Transforms/Linear/LinearTransformUtilities.cs
index 4fb1e27e0..04aaa1102 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/Linear/LinearTransformUtilities.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/Linear/LinearTransformUtilities.cs
@@ -39,7 +39,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             Vector2 radialExtents,
             Vector4 maxSourceExtents)
             where TResampler : struct, IResampler
-            where TPixel : struct, IPixel<TPixel>
+            where TPixel : unmanaged, IPixel<TPixel>
         {
             // Clamp sampling pixel radial extents to the source image edges
             Vector2 minXY = transformedPoint - radialExtents;
diff --git a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/BicubicResampler.cs b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/BicubicResampler.cs
index 085c81aad..b0a79766f 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/BicubicResampler.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/BicubicResampler.cs
@@ -43,7 +43,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <inheritdoc/>
         [MethodImpl(InliningOptions.ShortMethod)]
         public void ApplyTransform<TPixel>(IResamplingTransformImageProcessor<TPixel> processor)
-            where TPixel : struct, IPixel<TPixel>
+            where TPixel : unmanaged, IPixel<TPixel>
             => processor.ApplyTransform(in this);
     }
 }
diff --git a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/BoxResampler.cs b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/BoxResampler.cs
index af2abb5f4..590d292e0 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/BoxResampler.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/BoxResampler.cs
@@ -30,7 +30,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <inheritdoc/>
         [MethodImpl(InliningOptions.ShortMethod)]
         public void ApplyTransform<TPixel>(IResamplingTransformImageProcessor<TPixel> processor)
-            where TPixel : struct, IPixel<TPixel>
+            where TPixel : unmanaged, IPixel<TPixel>
             => processor.ApplyTransform(in this);
     }
 }
diff --git a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/CubicResampler.cs b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/CubicResampler.cs
index b39932674..8cdfcd882 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/CubicResampler.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/CubicResampler.cs
@@ -106,7 +106,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <inheritdoc/>
         [MethodImpl(InliningOptions.ShortMethod)]
         public void ApplyTransform<TPixel>(IResamplingTransformImageProcessor<TPixel> processor)
-            where TPixel : struct, IPixel<TPixel>
+            where TPixel : unmanaged, IPixel<TPixel>
             => processor.ApplyTransform(in this);
     }
 }
diff --git a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/LanczosResampler.cs b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/LanczosResampler.cs
index 202edcd36..7eb6d111e 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/LanczosResampler.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/LanczosResampler.cs
@@ -62,7 +62,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <inheritdoc/>
         [MethodImpl(InliningOptions.ShortMethod)]
         public void ApplyTransform<TPixel>(IResamplingTransformImageProcessor<TPixel> processor)
-            where TPixel : struct, IPixel<TPixel>
+            where TPixel : unmanaged, IPixel<TPixel>
             => processor.ApplyTransform(in this);
     }
 }
diff --git a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/NearestNeighborResampler.cs b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/NearestNeighborResampler.cs
index 0bce3d129..9a78af82b 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/NearestNeighborResampler.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/NearestNeighborResampler.cs
@@ -22,7 +22,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <inheritdoc/>
         [MethodImpl(InliningOptions.ShortMethod)]
         public void ApplyTransform<TPixel>(IResamplingTransformImageProcessor<TPixel> processor)
-            where TPixel : struct, IPixel<TPixel>
+            where TPixel : unmanaged, IPixel<TPixel>
             => processor.ApplyTransform(in this);
     }
 }
diff --git a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/TriangleResampler.cs b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/TriangleResampler.cs
index 42459d4a3..345e56790 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/TriangleResampler.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/TriangleResampler.cs
@@ -36,7 +36,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <inheritdoc/>
         [MethodImpl(InliningOptions.ShortMethod)]
         public void ApplyTransform<TPixel>(IResamplingTransformImageProcessor<TPixel> processor)
-            where TPixel : struct, IPixel<TPixel>
+            where TPixel : unmanaged, IPixel<TPixel>
             => processor.ApplyTransform(in this);
     }
 }
diff --git a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/WelchResampler.cs b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/WelchResampler.cs
index 6142dbe06..82f58a7c9 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/Resamplers/WelchResampler.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/Resamplers/WelchResampler.cs
@@ -35,7 +35,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <inheritdoc/>
         [MethodImpl(InliningOptions.ShortMethod)]
         public void ApplyTransform<TPixel>(IResamplingTransformImageProcessor<TPixel> processor)
-            where TPixel : struct, IPixel<TPixel>
+            where TPixel : unmanaged, IPixel<TPixel>
             => processor.ApplyTransform(in this);
     }
 }