diff --git a/spine-c/src/spine/AnimationState.c b/spine-c/src/spine/AnimationState.c
index e7287cfbc..efe01e503 100644
--- a/spine-c/src/spine/AnimationState.c
+++ b/spine-c/src/spine/AnimationState.c
@@ -78,9 +78,12 @@ spAnimationState* spAnimationState_create (spAnimationStateData* data) {
 }
 
 void spAnimationState_dispose (spAnimationState* self) {
+	_spAnimationState* internal = SUB_CAST(_spAnimationState, self);
+	FREE(internal->events);
 	int i;
 	for (i = 0; i < self->trackCount; i++)
 		_spTrackEntry_disposeAll(self->tracks[i]);
+	FREE(self->tracks);
 	FREE(self);
 }
 
@@ -189,6 +192,7 @@ spTrackEntry* _spAnimationState_expandToIndex (spAnimationState* self, int index
 	if (index < self->trackCount) return self->tracks[index];
 	newTracks = CALLOC(spTrackEntry*, index + 1);
 	memcpy(newTracks, self->tracks, self->trackCount * sizeof(spTrackEntry*));
+	FREE(self->tracks);
 	self->tracks = newTracks;
 	self->trackCount = index + 1;
 	return 0;
diff --git a/spine-c/src/spine/SkeletonData.c b/spine-c/src/spine/SkeletonData.c
index c1a78c992..d4fce0373 100644
--- a/spine-c/src/spine/SkeletonData.c
+++ b/spine-c/src/spine/SkeletonData.c
@@ -57,6 +57,10 @@ void spSkeletonData_dispose (spSkeletonData* self) {
 		spAnimation_dispose(self->animations[i]);
 	FREE(self->animations);
 
+	for (i = 0; i < self->eventCount; ++i)
+		spEventData_dispose(self->events[i]);
+	FREE(self->events);
+
 	FREE(self);
 }
 
diff --git a/spine-cocos2d-iphone/src/spine/CCSkeletonAnimation.m b/spine-cocos2d-iphone/src/spine/CCSkeletonAnimation.m
index 072b4cf97..127a569a0 100644
--- a/spine-cocos2d-iphone/src/spine/CCSkeletonAnimation.m
+++ b/spine-cocos2d-iphone/src/spine/CCSkeletonAnimation.m
@@ -59,6 +59,7 @@ static void callback (AnimationState* state, int trackIndex, EventType type, Eve
 }
 
 - (void) initialize {
+	_ownsAnimationStateData = true;
 	_state = AnimationState_create(AnimationStateData_create(_skeleton->data));
 	_state->context = self;
 	_state->listener = callback;
@@ -113,7 +114,7 @@ static void callback (AnimationState* state, int trackIndex, EventType type, Eve
 	if (_ownsAnimationStateData) AnimationStateData_dispose(_state->data);
 	AnimationState_dispose(_state);
 
-	_ownsAnimationStateData = true;
+	_ownsAnimationStateData = false;
 	_state = AnimationState_create(stateData);
 	_state->context = self;
 	_state->listener = callback;
diff --git a/spine-cocos2dx/src/spine/CCSkeletonAnimation.cpp b/spine-cocos2dx/src/spine/CCSkeletonAnimation.cpp
index 624f5d113..bf5603c3b 100644
--- a/spine-cocos2dx/src/spine/CCSkeletonAnimation.cpp
+++ b/spine-cocos2dx/src/spine/CCSkeletonAnimation.cpp
@@ -68,6 +68,7 @@ void CCSkeletonAnimation::initialize () {
 	listenerInstance = 0;
 	listenerMethod = 0;
 
+	ownsAnimationStateData = true;
 	state = spAnimationState_create(spAnimationStateData_create(skeleton->data));
 	state->context = this;
 	state->listener = callback;
@@ -108,7 +109,7 @@ void CCSkeletonAnimation::setAnimationStateData (spAnimationStateData* stateData
 	if (ownsAnimationStateData) spAnimationStateData_dispose(state->data);
 	spAnimationState_dispose(state);
 
-	ownsAnimationStateData = true;
+	ownsAnimationStateData = false;
 	state = spAnimationState_create(stateData);
 	state->context = this;
 	state->listener = callback;