diff --git a/cocos/2d/CCNode.cpp b/cocos/2d/CCNode.cpp
index 7811874c87..1dbf638b41 100644
--- a/cocos/2d/CCNode.cpp
+++ b/cocos/2d/CCNode.cpp
@@ -803,49 +803,6 @@ Rect Node::getBoundingBox() const
     return RectApplyAffineTransform(rect, getNodeToParentAffineTransform());
 }
 
-Rect Node::getCascadeBoundingBox(void)
-{
-    Rect cbb;
-
-    // check all childrens bounding box, get maximize box
-    Node* child = nullptr;
-    bool merge = false;
-    for(auto object : _children)
-    {
-        child = dynamic_cast<Node*>(object);
-        if (!child->isVisible()) continue;
-            
-        const Rect box = child->getCascadeBoundingBox();
-        if (box.size.width <= 0 || box.size.height <= 0) continue;
-            
-        if (!merge)
-        {
-            cbb = box;
-            merge = true;
-        }
-        else
-        {
-            cbb.merge(box);
-        }
-    }
-    
-    // merge content size
-    if (_contentSize.width > 0 && _contentSize.height > 0)
-    {
-        const Rect box = RectApplyAffineTransform(Rect(0, 0, _contentSize.width, _contentSize.height), nodeToWorldTransform());
-        if (!merge)
-        {
-            cbb = box;
-        }
-        else
-        {
-            cbb.merge(box);
-        }
-    }
-    
-    return cbb;
-}
-
 // MARK: Children logic
 
 // lazy allocs
diff --git a/cocos/2d/CCNode.h b/cocos/2d/CCNode.h
index 839e155331..d2a6034633 100644
--- a/cocos/2d/CCNode.h
+++ b/cocos/2d/CCNode.h
@@ -1079,11 +1079,6 @@ public:
     /** @deprecated Use getBoundingBox instead */
     CC_DEPRECATED_ATTRIBUTE inline virtual Rect boundingBox() const { return getBoundingBox(); }
 
-    /**
-     * This boundingBox will calculate all children's boundingBox every time
-     */
-    virtual Rect getCascadeBoundingBox(void);
-    
     virtual void setEventDispatcher(EventDispatcher* dispatcher);
     virtual EventDispatcher* getEventDispatcher() const { return _eventDispatcher; };
 
diff --git a/cocos/base/ccUtils.cpp b/cocos/base/ccUtils.cpp
index b304b95751..5a2c64be14 100644
--- a/cocos/base/ccUtils.cpp
+++ b/cocos/base/ccUtils.cpp
@@ -192,6 +192,50 @@ double gettime()
     return (double)tv.tv_sec + (double)tv.tv_usec/1000000;
 }
 
+Rect getCascadeBoundingBox(Node *node)
+{
+    Rect cbb;
+    Size contentSize = node->getContentSize();
+    
+    // check all childrens bounding box, get maximize box
+    Node* child = nullptr;
+    bool merge = false;
+    for(auto object : node->getChildren())
+    {
+        child = dynamic_cast<Node*>(object);
+        if (!child->isVisible()) continue;
+        
+        const Rect box = child->getCascadeBoundingBox();
+        if (box.size.width <= 0 || box.size.height <= 0) continue;
+        
+        if (!merge)
+        {
+            cbb = box;
+            merge = true;
+        }
+        else
+        {
+            cbb.merge(box);
+        }
+    }
+    
+    // merge content size
+    if (contentSize.width > 0 && contentSize.height > 0)
+    {
+        const Rect box = RectApplyAffineTransform(Rect(0, 0, contentSize.width, contentSize.height), node->getNodeToWorldAffineTransform());
+        if (!merge)
+        {
+            cbb = box;
+        }
+        else
+        {
+            cbb.merge(box);
+        }
+    }
+    
+    return cbb;
+}
+    
 }
 
 NS_CC_END
diff --git a/cocos/base/ccUtils.h b/cocos/base/ccUtils.h
index ba5dabbe15..2f4170127e 100644
--- a/cocos/base/ccUtils.h
+++ b/cocos/base/ccUtils.h
@@ -82,6 +82,11 @@ namespace utils
     /** Get current exact time, accurate to nanoseconds.
     */
     double CC_DLL gettime();
+
+    /**
+     * calculate all children's boundingBox
+     */
+    Rect getCascadeBoundingBox(Node *node);
 }
 
 NS_CC_END