diff --git a/Spine/Interfaces/Attachments/ISkinnedMeshAttachment.cs b/Spine/Interfaces/Attachments/ISkinnedMeshAttachment.cs
index 169e535..687da97 100644
--- a/Spine/Interfaces/Attachments/ISkinnedMeshAttachment.cs
+++ b/Spine/Interfaces/Attachments/ISkinnedMeshAttachment.cs
@@ -7,46 +7,8 @@ using System.Threading.Tasks;
 
 namespace Spine.Interfaces.Attachments
 {
-    public interface ISkinnedMeshAttachment : IAttachment
+    public interface ISkinnedMeshAttachment : IMeshAttachment
     {
-        /// <summary>
-        /// R
-        /// </summary>
-        public float R { get; set; }
 
-        /// <summary>
-        /// G
-        /// </summary>
-        public float G { get; set; }
-
-        /// <summary>
-        /// B
-        /// </summary>
-        public float B { get; set; }
-
-        /// <summary>
-        /// A
-        /// </summary>
-        public float A { get; set; }
-
-        /// <summary>
-        /// 用于渲染的纹理对象
-        /// </summary>
-        public SFML.Graphics.Texture RendererObject { get; }
-
-        /// <summary>
-        /// 顶点纹理坐标, 每个坐标有 u 和 v 两个数, 有效长度和 <see cref="IAttachment.ComputeWorldVertices(ISlot, ref float[])"/> 返回值一致
-        /// </summary>
-        public float[] UVs { get; }
-
-        /// <summary>
-        /// 三角形索引顶点数组, 每 3 个为一组, 指向顶点的下标 (不是顶点坐标数组下标)
-        /// </summary>
-        public int[] Triangles { get; }
-
-        /// <summary>
-        /// 边缘顶点数组长度
-        /// </summary>
-        public int HullLength { get; }
     }
 }
diff --git a/Spine/SpineObject.cs b/Spine/SpineObject.cs
index 564440e..0b1ce25 100644
--- a/Spine/SpineObject.cs
+++ b/Spine/SpineObject.cs
@@ -558,18 +558,6 @@ namespace Spine
                         tintA *= meshAttachment.A;
                         texture = meshAttachment.RendererObject;
                         break;
-                    case ISkinnedMeshAttachment skinnedMeshAttachment:
-                        worldVerticesLength = skinnedMeshAttachment.ComputeWorldVertices(slot, ref _worldVertices);
-                        worldVertices = _worldVertices;
-                        triangles = skinnedMeshAttachment.Triangles;
-                        trianglesLength = triangles.Length;
-                        uvs = skinnedMeshAttachment.UVs;
-                        tintR *= skinnedMeshAttachment.R;
-                        tintG *= skinnedMeshAttachment.G;
-                        tintB *= skinnedMeshAttachment.B;
-                        tintA *= skinnedMeshAttachment.A;
-                        texture = skinnedMeshAttachment.RendererObject;
-                        break;
                     case IClippingAttachment clippingAttachment:
                         _clipping.ClipStart(slot, clippingAttachment);
                         continue;
@@ -697,34 +685,6 @@ namespace Spine
                             vt.Position.Y = _worldVertices[idx2 + 1];
                             _lineVertices.Append(vt); _lineVertices.Append(vt);
 
-                            vt.Position.X = _worldVertices[idx0];
-                            vt.Position.Y = _worldVertices[idx0 + 1];
-                            _lineVertices.Append(vt);
-                        }
-                    }
-                    else if (slot.Attachment is ISkinnedMeshAttachment skinnedMeshAttachment)
-                    {
-                        skinnedMeshAttachment.ComputeWorldVertices(slot, ref _worldVertices);
-
-                        var triangles = skinnedMeshAttachment.Triangles;
-                        for (int i = 0; i < triangles.Length - 2; i += 3)
-                        {
-                            var idx0 = triangles[i] << 1;
-                            var idx1 = triangles[i + 1] << 1;
-                            var idx2 = triangles[i + 2] << 1;
-
-                            vt.Position.X = _worldVertices[idx0];
-                            vt.Position.Y = _worldVertices[idx0 + 1];
-                            _lineVertices.Append(vt);
-
-                            vt.Position.X = _worldVertices[idx1];
-                            vt.Position.Y = _worldVertices[idx1 + 1];
-                            _lineVertices.Append(vt); _lineVertices.Append(vt);
-
-                            vt.Position.X = _worldVertices[idx2];
-                            vt.Position.Y = _worldVertices[idx2 + 1];
-                            _lineVertices.Append(vt); _lineVertices.Append(vt);
-
                             vt.Position.X = _worldVertices[idx0];
                             vt.Position.Y = _worldVertices[idx0 + 1];
                             _lineVertices.Append(vt);
@@ -757,29 +717,6 @@ namespace Spine
                             _lineVertices.Append(vt);
                         }
 
-                        vt.Position.X = _worldVertices[0];
-                        vt.Position.Y = _worldVertices[1];
-                        _lineVertices.Append(vt);
-                    }
-                    else if (slot.Attachment is ISkinnedMeshAttachment skinnedMeshAttachment)
-                    {
-                        skinnedMeshAttachment.ComputeWorldVertices(slot, ref _worldVertices);
-
-                        var hullLength = skinnedMeshAttachment.HullLength;
-                        if (hullLength < 4) continue;
-
-                        vt.Position.X = _worldVertices[0];
-                        vt.Position.Y = _worldVertices[1];
-                        _lineVertices.Append(vt);
-
-                        for (int i = 2; i < hullLength - 1; i += 2)
-                        {
-                            vt.Position.X = _worldVertices[i];
-                            vt.Position.Y = _worldVertices[i + 1];
-                            _lineVertices.Append(vt);
-                            _lineVertices.Append(vt);
-                        }
-
                         vt.Position.X = _worldVertices[0];
                         vt.Position.Y = _worldVertices[1];
                         _lineVertices.Append(vt);