diff --git a/spine-csharp/src/Animation.cs b/spine-csharp/src/Animation.cs
index 9f9dde613..ce8f10183 100644
--- a/spine-csharp/src/Animation.cs
+++ b/spine-csharp/src/Animation.cs
@@ -644,8 +644,6 @@ namespace Spine {
 
 	/// <summary>Changes a bone's local <see cref="BoneLocal.Rotation"/>.</summary>
 	public class RotateTimeline : BoneTimeline1, IBoneTimeline {
-		readonly int boneIndex;
-
 		public RotateTimeline (int frameCount, int bezierCount, int boneIndex)
 			: base(frameCount, bezierCount, boneIndex, Property.Rotate) {
 		}
diff --git a/spine-csharp/src/Constraint.cs b/spine-csharp/src/Constraint.cs
index 4ef69edea..369a5ba82 100644
--- a/spine-csharp/src/Constraint.cs
+++ b/spine-csharp/src/Constraint.cs
@@ -54,7 +54,6 @@ namespace Spine {
 			: base(data, pose, constrained) {
 		}
 
-		public D Data { get { return data; } }
 		public IConstraintData IData { get { return data; } }
 		abstract public IConstraint Copy (Skeleton skeleton);
 		abstract public void Sort (Skeleton skeleton);