diff --git a/spine-cpp/spine-cpp/include/spine/PathConstraintPositionTimeline.h b/spine-cpp/spine-cpp/include/spine/PathConstraintPositionTimeline.h
index a1ab06a02..f4fd01706 100644
--- a/spine-cpp/spine-cpp/include/spine/PathConstraintPositionTimeline.h
+++ b/spine-cpp/spine-cpp/include/spine/PathConstraintPositionTimeline.h
@@ -34,6 +34,7 @@
 
 namespace spine {
 
+	/// Changes a path constraint's PathConstraintPose::getPosition().
 	class SP_API PathConstraintPositionTimeline : public ConstraintTimeline1 {
 		friend class SkeletonBinary;
 
@@ -44,7 +45,7 @@ namespace spine {
 	public:
 		static const int ENTRIES;
 
-		explicit PathConstraintPositionTimeline(size_t frameCount, size_t bezierCount, int pathConstraintIndex);
+		explicit PathConstraintPositionTimeline(size_t frameCount, size_t bezierCount, int constraintIndex);
 
 		virtual ~PathConstraintPositionTimeline();
 
diff --git a/spine-cpp/spine-cpp/include/spine/PathConstraintSpacingTimeline.h b/spine-cpp/spine-cpp/include/spine/PathConstraintSpacingTimeline.h
index db464d37c..92b5053a5 100644
--- a/spine-cpp/spine-cpp/include/spine/PathConstraintSpacingTimeline.h
+++ b/spine-cpp/spine-cpp/include/spine/PathConstraintSpacingTimeline.h
@@ -42,7 +42,7 @@ namespace spine {
 	RTTI_DECL
 
 	public:
-		explicit PathConstraintSpacingTimeline(size_t frameCount, size_t bezierCount, int pathConstraintIndex);
+		explicit PathConstraintSpacingTimeline(size_t frameCount, size_t bezierCount, int constraintIndex);
 
 		virtual ~PathConstraintSpacingTimeline();
 
diff --git a/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp b/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp
index 26aafe407..0d8e736ec 100644
--- a/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp
@@ -44,12 +44,10 @@ using namespace spine;
 RTTI_IMPL(PathConstraintPositionTimeline, ConstraintTimeline1)
 
 PathConstraintPositionTimeline::PathConstraintPositionTimeline(size_t frameCount, size_t bezierCount,
-															   int pathConstraintIndex) : ConstraintTimeline1(frameCount,
+															   int constraintIndex) : ConstraintTimeline1(frameCount,
 																											  bezierCount,
-																											  pathConstraintIndex,
+																											  constraintIndex,
 																											  Property_PathConstraintPosition) {
-	PropertyId ids[] = {((PropertyId) Property_PathConstraintPosition << 32) | pathConstraintIndex};
-	setPropertyIds(ids, 1);
 }
 
 PathConstraintPositionTimeline::~PathConstraintPositionTimeline() {
diff --git a/spine-cpp/spine-cpp/src/spine/PathConstraintSpacingTimeline.cpp b/spine-cpp/spine-cpp/src/spine/PathConstraintSpacingTimeline.cpp
index 90f64b525..6cecc184a 100644
--- a/spine-cpp/spine-cpp/src/spine/PathConstraintSpacingTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/PathConstraintSpacingTimeline.cpp
@@ -44,12 +44,10 @@ using namespace spine;
 RTTI_IMPL(PathConstraintSpacingTimeline, ConstraintTimeline1)
 
 PathConstraintSpacingTimeline::PathConstraintSpacingTimeline(size_t frameCount, size_t bezierCount,
-															 int pathConstraintIndex) : ConstraintTimeline1(frameCount,
+															 int constraintIndex) : ConstraintTimeline1(frameCount,
 																									   bezierCount,
-																									   pathConstraintIndex,
+																									   constraintIndex,
 																									   Property_PathConstraintSpacing) {
-	PropertyId ids[] = {((PropertyId) Property_PathConstraintSpacing << 32) | pathConstraintIndex};
-	setPropertyIds(ids, 1);
 }
 
 PathConstraintSpacingTimeline::~PathConstraintSpacingTimeline() {