diff --git a/spine-cpp/includes/spine/Animation.h b/spine-cpp/includes/spine/Animation.h
index 45ae979dc..12eb2f523 100644
--- a/spine-cpp/includes/spine/Animation.h
+++ b/spine-cpp/includes/spine/Animation.h
@@ -15,6 +15,7 @@ public:
 	float duration;
 
 	Animation (const std::vector<Timeline*> &timelines, float duration);
+  ~Animation();
 
 	void apply (BaseSkeleton *skeleton, float time, bool loop);
 };
diff --git a/spine-cpp/includes/spine/BaseAtlas.h b/spine-cpp/includes/spine/BaseAtlas.h
index 7aba26972..0551d3c36 100644
--- a/spine-cpp/includes/spine/BaseAtlas.h
+++ b/spine-cpp/includes/spine/BaseAtlas.h
@@ -71,6 +71,7 @@ public:
 	int *splits;
 	int *pads;
 
+  BaseAtlasRegion() : splits(0), pads(0) {}
 	virtual ~BaseAtlasRegion ();
 };
 
diff --git a/spine-cpp/includes/spine/Skin.h b/spine-cpp/includes/spine/Skin.h
index 78fbcecfe..8d7e372fa 100644
--- a/spine-cpp/includes/spine/Skin.h
+++ b/spine-cpp/includes/spine/Skin.h
@@ -31,6 +31,7 @@ public:
 	std::string name;
 
 	Skin (const std::string &name);
+  ~Skin();
 
 	void addAttachment (int slotIndex, const std::string &name, Attachment *attachment);
 
diff --git a/spine-cpp/src/spine/Animation.cpp b/spine-cpp/src/spine/Animation.cpp
index 3ebd42fc2..20e52205d 100644
--- a/spine-cpp/src/spine/Animation.cpp
+++ b/spine-cpp/src/spine/Animation.cpp
@@ -18,6 +18,14 @@ Animation::Animation (const vector<Timeline*> &timelines, float duration) :
 				duration(duration) {
 }
 
+Animation::~Animation()
+{
+  for (std::vector<Timeline*>::iterator iter = timelines.begin(); iter != timelines.end(); ++iter)
+  {
+    delete *iter;
+  }
+}
+
 void Animation::apply (BaseSkeleton *skeleton, float time, bool loop) {
 	if (!skeleton) throw std::invalid_argument("skeleton cannot be null.");
 
diff --git a/spine-cpp/src/spine/BaseSkeletonJson.cpp b/spine-cpp/src/spine/BaseSkeletonJson.cpp
index 43ab778c0..49ae223b1 100644
--- a/spine-cpp/src/spine/BaseSkeletonJson.cpp
+++ b/spine-cpp/src/spine/BaseSkeletonJson.cpp
@@ -35,6 +35,8 @@ BaseSkeletonJson::BaseSkeletonJson (BaseAttachmentLoader *attachmentLoader) :
 }
 
 BaseSkeletonJson::~BaseSkeletonJson () {
+  if (attachmentLoader)
+    delete attachmentLoader;
 }
 
 SkeletonData* BaseSkeletonJson::readSkeletonData (std::ifstream &file) const {
diff --git a/spine-cpp/src/spine/Skin.cpp b/spine-cpp/src/spine/Skin.cpp
index 4d14465f5..12eeae0d6 100644
--- a/spine-cpp/src/spine/Skin.cpp
+++ b/spine-cpp/src/spine/Skin.cpp
@@ -8,6 +8,13 @@ Skin::Skin (const std::string &name) :
 				name(name) {
 }
 
+Skin::~Skin()
+{
+	for (std::map<Key, Attachment*>::iterator iter = attachments.begin(); iter != attachments.end(); ++iter) {
+    delete iter->second;
+  }
+}
+
 void Skin::addAttachment (int slotIndex, const std::string &name, Attachment *attachment) {
 	Key key = {slotIndex, name};
 	attachments[key] = attachment;