diff --git a/spine-cpp/spine-cpp/include/spine/DeformTimeline.h b/spine-cpp/spine-cpp/include/spine/DeformTimeline.h
index aad9f5f03..0f4cd2385 100644
--- a/spine-cpp/spine-cpp/include/spine/DeformTimeline.h
+++ b/spine-cpp/spine-cpp/include/spine/DeformTimeline.h
@@ -35,6 +35,7 @@
 namespace spine {
 	class VertexAttachment;
 
+	/// Changes a slot's SlotPose::getDeform() to deform a VertexAttachment.
 	class SP_API DeformTimeline : public SlotCurveTimeline {
 		friend class SkeletonBinary;
 
@@ -45,10 +46,6 @@ namespace spine {
 	public:
 		explicit DeformTimeline(size_t frameCount, size_t bezierCount, int slotIndex, VertexAttachment *attachment);
 
-		virtual void
-		apply(Skeleton &skeleton, float lastTime, float time, Vector<Event *> *pEvents, float alpha, MixBlend blend,
-			  MixDirection direction, bool appliedPose) override;
-
 		/// Sets the time and vertices for the specified frame.
 		void setFrame(int frameIndex, float time, Vector<float> &vertices);
 
diff --git a/spine-cpp/spine-cpp/src/spine/DeformTimeline.cpp b/spine-cpp/spine-cpp/src/spine/DeformTimeline.cpp
index 9c068b5b3..55d78201a 100644
--- a/spine-cpp/spine-cpp/src/spine/DeformTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/DeformTimeline.cpp
@@ -55,19 +55,6 @@ DeformTimeline::DeformTimeline(size_t frameCount, size_t bezierCount, int slotIn
 	}
 }
 
-void DeformTimeline::apply(Skeleton &skeleton, float lastTime, float time, Vector<Event *> *pEvents, float alpha,
-						   MixBlend blend, MixDirection direction, bool appliedPose) {
-	SP_UNUSED(lastTime);
-	SP_UNUSED(pEvents);
-	SP_UNUSED(direction);
-
-	Slot *slotP = skeleton._slots[_slotIndex];
-	Slot &slot = *slotP;
-	if (!slot._bone.isActive()) return;
-	SlotPose &pose = appliedPose ? *slot._applied : slot._pose;
-
-	apply(slot, pose, time, alpha, blend);
-}
 
 void DeformTimeline::apply(Slot &slot, SlotPose &pose, float time, float alpha, MixBlend blend) {
 	Attachment *slotAttachment = pose._attachment;