diff --git a/extensions/CCBReader/CCBAnimationManager.h b/extensions/CCBReader/CCBAnimationManager.h
index 7bec78474b..1c6aa0db88 100644
--- a/extensions/CCBReader/CCBAnimationManager.h
+++ b/extensions/CCBReader/CCBAnimationManager.h
@@ -15,15 +15,15 @@ public:
     virtual void completedAnimationSequenceNamed(const char *name) = 0;
 };
 
-class CCBAnimationManager : public cocos2d::CCObject
+class CCBAnimationManager : public CCObject
 {
 private:
-    cocos2d::CCArray *mSequences;
-    cocos2d::CCDictionary *mNodeSequences;
-    cocos2d::CCDictionary *mBaseValues;
+    CCArray *mSequences;
+    CCDictionary *mNodeSequences;
+    CCDictionary *mBaseValues;
     int mAutoPlaySequenceId;
     
-    cocos2d::CCNode *mRootNode;
+    CCNode *mRootNode;
     CCSize mRootContainerSize;
     
     CCBAnimationManagerDelegate *mDelegate;
@@ -35,26 +35,26 @@ public:
     
     virtual bool init();
     
-    cocos2d::CCArray* getSequences();
+    CCArray* getSequences();
     
     int getAutoPlaySequenceId();
     void setAutoPlaySequenceId(int autoPlaySequenceId);
     
-    cocos2d::CCNode* getRootNode();
-    void setRootNode(cocos2d::CCNode* pRootNode); // retain
+    CCNode* getRootNode();
+    void setRootNode(CCNode* pRootNode); // retain
     
-    const cocos2d::CCSize& getRootContainerSize();
-    void setRootContainerSize(const cocos2d::CCSize &rootContainerSize);
+    const CCSize& getRootContainerSize();
+    void setRootContainerSize(const CCSize &rootContainerSize);
     
     CCBAnimationManagerDelegate* getDelegate();
     void setDelegate(CCBAnimationManagerDelegate* pDelegate); // retain
     
     const char* getRunningSequenceName();
     
-    const CCSize& getContainerSize(cocos2d::CCNode* pNode);
+    const CCSize& getContainerSize(CCNode* pNode);
     
-    void addNode(cocos2d::CCNode *pNode, cocos2d::CCDictionary *pSeq);
-    void setBaseValue(cocos2d::CCObject *pValue, cocos2d::CCNode *pNode, const char *pPropName);
+    void addNode(CCNode *pNode, CCDictionary *pSeq);
+    void setBaseValue(CCObject *pValue, CCNode *pNode, const char *pPropName);
     
     void runAnimations(const char *pName, float fTweenDuration);
     void runAnimations(const char *pName);
@@ -63,33 +63,33 @@ public:
     void debug();
     
 private:
-    cocos2d::CCObject* getBaseValue(cocos2d::CCNode *pNode, const char* pPropName);
+    CCObject* getBaseValue(CCNode *pNode, const char* pPropName);
     int getSequenceId(const char* pSequenceName);
     CCBSequence* getSequence(int nSequenceId);
-    cocos2d::CCActionInterval* getAction(CCBKeyframe *pKeyframe0, CCBKeyframe *pKeyframe1, const char *pPropName, cocos2d::CCNode *pNode);
-    void setAnimatedProperty(const char *pPropName, cocos2d::CCNode *pNode, cocos2d::CCObject *pValue, float fTweenDuraion);
-    void setFirstFrame(cocos2d::CCNode *pNode, CCBSequenceProperty *pSeqProp, float fTweenDuration);
-    cocos2d::CCActionInterval* getEaseAction(cocos2d::CCActionInterval *pAction, int nEasingType, float fEasingOpt);
-    void runAction(cocos2d::CCNode *pNode, CCBSequenceProperty *pSeqProp, float fTweenDuration);
+    CCActionInterval* getAction(CCBKeyframe *pKeyframe0, CCBKeyframe *pKeyframe1, const char *pPropName, CCNode *pNode);
+    void setAnimatedProperty(const char *pPropName, CCNode *pNode, CCObject *pValue, float fTweenDuraion);
+    void setFirstFrame(CCNode *pNode, CCBSequenceProperty *pSeqProp, float fTweenDuration);
+    CCActionInterval* getEaseAction(CCActionInterval *pAction, int nEasingType, float fEasingOpt);
+    void runAction(CCNode *pNode, CCBSequenceProperty *pSeqProp, float fTweenDuration);
     void sequenceCompleted();
 };
 
-class CCBSetSpriteFrame : public cocos2d::CCActionInstant
+class CCBSetSpriteFrame : public CCActionInstant
 {
 private:
-    cocos2d::CCSpriteFrame *mSpriteFrame;
+    CCSpriteFrame *mSpriteFrame;
     
 public:
     ~CCBSetSpriteFrame();
     
     /** creates a Place action with a position */
-    static CCBSetSpriteFrame* create(cocos2d::CCSpriteFrame *pSpriteFrame);
-    bool initWithSpriteFrame(cocos2d::CCSpriteFrame *pSpriteFrame);
+    static CCBSetSpriteFrame* create(CCSpriteFrame *pSpriteFrame);
+    bool initWithSpriteFrame(CCSpriteFrame *pSpriteFrame);
     virtual void update(float time);
-    virtual cocos2d::CCObject* copyWithZone(cocos2d::CCZone *pZone);
+    virtual CCObject* copyWithZone(CCZone *pZone);
 };
 
-class CCBRotateTo : public cocos2d::CCActionInterval
+class CCBRotateTo : public CCActionInterval
 {
 private:
     float mStartAngle;
@@ -100,8 +100,8 @@ public:
     static CCBRotateTo* create(float fDuration, float fAngle);
     bool initWithDuration(float fDuration, float fAngle);
     virtual void update(float time);
-    virtual cocos2d::CCObject* copyWithZone(cocos2d::CCZone *pZone);
-    virtual void startWithTarget(cocos2d::CCNode *pNode);
+    virtual CCObject* copyWithZone(CCZone *pZone);
+    virtual void startWithTarget(CCNode *pNode);
 };
 
 NS_CC_EXT_END
diff --git a/extensions/CCBReader/CCBKeyframe.h b/extensions/CCBReader/CCBKeyframe.h
index 6a53760551..76d54ed02a 100644
--- a/extensions/CCBReader/CCBKeyframe.h
+++ b/extensions/CCBReader/CCBKeyframe.h
@@ -6,10 +6,10 @@
 
 NS_CC_EXT_BEGIN
 
-class CCBKeyframe : public cocos2d::CCObject
+class CCBKeyframe : public CCObject
 {
 private:
-    cocos2d::CCObject *mValue;
+    CCObject *mValue;
     float mTime;
     int mEasingType;
     float mEasingOpt;
@@ -18,8 +18,8 @@ public:
     CCBKeyframe();
     ~CCBKeyframe();
     
-    cocos2d::CCObject* getValue();
-    void setValue(cocos2d::CCObject *pValue); // retain
+    CCObject* getValue();
+    void setValue(CCObject *pValue); // retain
     
     float getTime();
     void setTime(float fTime);
diff --git a/extensions/CCBReader/CCBMemberVariableAssigner.h b/extensions/CCBReader/CCBMemberVariableAssigner.h
index 41801d7980..9ca7cd8c8b 100644
--- a/extensions/CCBReader/CCBMemberVariableAssigner.h
+++ b/extensions/CCBReader/CCBMemberVariableAssigner.h
@@ -21,7 +21,7 @@ class CCBMemberVariableAssigner {
     public:
         virtual ~CCBMemberVariableAssigner() {};
 
-        virtual bool onAssignCCBMemberVariable(CCObject * pTarget, cocos2d::CCString * pMemberVariableName, CCNode * pNode) = 0;
+        virtual bool onAssignCCBMemberVariable(CCObject * pTarget, CCString * pMemberVariableName, CCNode * pNode) = 0;
 };
 
 NS_CC_EXT_END
diff --git a/extensions/CCBReader/CCBSelectorResolver.h b/extensions/CCBReader/CCBSelectorResolver.h
index 97d5c5df5b..2845f49aca 100644
--- a/extensions/CCBReader/CCBSelectorResolver.h
+++ b/extensions/CCBReader/CCBSelectorResolver.h
@@ -19,9 +19,9 @@ NS_CC_EXT_BEGIN
 class CCBSelectorResolver {
     public:
         virtual ~CCBSelectorResolver() {};
-    virtual cocos2d::SEL_MenuHandler onResolveCCBCCMenuItemSelector(CCObject * pTarget, CCString * pSelectorName) = 0;
+    virtual SEL_MenuHandler onResolveCCBCCMenuItemSelector(CCObject * pTarget, CCString * pSelectorName) = 0;
     
-    virtual cocos2d::extension::SEL_CCControlHandler onResolveCCBCCControlSelector(CCObject * pTarget, CCString * pSelectorName) = 0;
+    virtual extension::SEL_CCControlHandler onResolveCCBCCControlSelector(CCObject * pTarget, CCString * pSelectorName) = 0;
 };
 
 
diff --git a/extensions/CCBReader/CCBSequence.h b/extensions/CCBReader/CCBSequence.h
index b253f19888..80e4f6ce2c 100644
--- a/extensions/CCBReader/CCBSequence.h
+++ b/extensions/CCBReader/CCBSequence.h
@@ -7,7 +7,7 @@
 
 NS_CC_EXT_BEGIN
 
-class CCBSequence : public cocos2d::CCObject
+class CCBSequence : public CCObject
 {
 private:
     float mDuration;
diff --git a/extensions/CCBReader/CCBSequenceProperty.h b/extensions/CCBReader/CCBSequenceProperty.h
index 4e790eeff4..0680700e39 100644
--- a/extensions/CCBReader/CCBSequenceProperty.h
+++ b/extensions/CCBReader/CCBSequenceProperty.h
@@ -7,7 +7,7 @@
 
 NS_CC_EXT_BEGIN
 
-class CCBSequenceProperty : public cocos2d::CCObject
+class CCBSequenceProperty : public CCObject
 {
 private:
     std::string mName;
diff --git a/extensions/CCBReader/CCBValue.cpp b/extensions/CCBReader/CCBValue.cpp
index 3be6398bc1..79c93fb409 100644
--- a/extensions/CCBReader/CCBValue.cpp
+++ b/extensions/CCBReader/CCBValue.cpp
@@ -6,7 +6,7 @@ NS_CC_EXT_BEGIN
 
 // Implementation of ccColor3BWapper
 
-ccColor3BWapper* ccColor3BWapper::create(const cocos2d::ccColor3B& color)
+ccColor3BWapper* ccColor3BWapper::create(const ccColor3B& color)
 {
     ccColor3BWapper *ret = new ccColor3BWapper();
     if (ret)
diff --git a/extensions/CCBReader/CCBValue.h b/extensions/CCBReader/CCBValue.h
index 2e760eb765..4c4c67332f 100644
--- a/extensions/CCBReader/CCBValue.h
+++ b/extensions/CCBReader/CCBValue.h
@@ -10,15 +10,15 @@
 
 NS_CC_EXT_BEGIN
 
-class ccColor3BWapper : public cocos2d::CCObject
+class ccColor3BWapper : public CCObject
 {
 private:
-    cocos2d::ccColor3B color;
+    ccColor3B color;
     
 public:
-    static ccColor3BWapper* create(const cocos2d::ccColor3B& color);
+    static ccColor3BWapper* create(const ccColor3B& color);
     
-    const cocos2d::ccColor3B& getColor();
+    const ccColor3B& getColor();
 };
 
 enum
@@ -30,7 +30,7 @@ enum
     kUnsignedCharValue,
 };
 
-class CCBValue : public cocos2d::CCObject
+class CCBValue : public CCObject
 {
 private:
     union 
diff --git a/extensions/CCBReader/CCData.h b/extensions/CCBReader/CCData.h
index 5861339ab5..22b5dd967c 100644
--- a/extensions/CCBReader/CCData.h
+++ b/extensions/CCBReader/CCData.h
@@ -7,7 +7,7 @@
 
 NS_CC_EXT_BEGIN
 
-class CCData : public cocos2d::CCObject
+class CCData : public CCObject
 {
 public:
     CCData(unsigned char *pBytes, const unsigned long nSize);
diff --git a/extensions/CCBReader/CCNode+CCBRelativePositioning.h b/extensions/CCBReader/CCNode+CCBRelativePositioning.h
index 066fb6202c..5de79563ea 100644
--- a/extensions/CCBReader/CCNode+CCBRelativePositioning.h
+++ b/extensions/CCBReader/CCNode+CCBRelativePositioning.h
@@ -6,9 +6,9 @@
 
 NS_CC_EXT_BEGIN
 
-extern cocos2d::CCPoint getAbsolutePosition(const cocos2d::CCPoint &pt, int nType, const cocos2d::CCSize &containerSize, const char *pPropName);
+extern CCPoint getAbsolutePosition(const CCPoint &pt, int nType, const CCSize &containerSize, const char *pPropName);
 
-extern void setRelativeScale(cocos2d::CCNode *pNode, float fScaleX, float fScaleY, int nType, const char* pPropName);
+extern void setRelativeScale(CCNode *pNode, float fScaleX, float fScaleY, int nType, const char* pPropName);
 
 NS_CC_EXT_END
 
diff --git a/extensions/CCBReader/CCNodeLoader.h b/extensions/CCBReader/CCNodeLoader.h
index 175e96f0aa..f59134ebc9 100644
--- a/extensions/CCBReader/CCNodeLoader.h
+++ b/extensions/CCBReader/CCNodeLoader.h
@@ -19,11 +19,11 @@ NS_CC_EXT_BEGIN
 #define ASSERT_FAIL_UNEXPECTED_PROPERTY(PROPERTY) CCLog("Unexpected property: '%s'!\n", PROPERTY->getCString()); assert(false)
 #define ASSERT_FAIL_UNEXPECTED_PROPERTYTYPE(PROPERTYTYPE) CCLog("Unexpected property type: '%d'!\n", PROPERTYTYPE); assert(false)
 
-#define CCB_VIRTUAL_NEW_AUTORELEASE_CREATECCNODE_METHOD(T) virtual T * createCCNode(cocos2d::CCNode * pParent, cocos2d::extension::CCBReader * pCCBReader) { \
+#define CCB_VIRTUAL_NEW_AUTORELEASE_CREATECCNODE_METHOD(T) virtual T * createCCNode(CCNode * pParent, extension::CCBReader * pCCBReader) { \
     return T::create(); \
 }
 
-#define CCB_PURE_VIRTUAL_NEW_AUTORELEASE_CREATECCNODE_METHOD(T) virtual T * createCCNode(cocos2d::CCNode * pParent, cocos2d::extension::CCBReader * pCCBReader) = 0
+#define CCB_PURE_VIRTUAL_NEW_AUTORELEASE_CREATECCNODE_METHOD(T) virtual T * createCCNode(CCNode * pParent, extension::CCBReader * pCCBReader) = 0
 
 struct BlockData {
     SEL_MenuHandler mSELMenuHandler;
diff --git a/extensions/GUI/CCControlExtension/CCInvocation.h b/extensions/GUI/CCControlExtension/CCInvocation.h
index 034e57ea48..9aa88ad2d7 100644
--- a/extensions/GUI/CCControlExtension/CCInvocation.h
+++ b/extensions/GUI/CCControlExtension/CCInvocation.h
@@ -19,20 +19,20 @@ NS_CC_EXT_BEGIN
 
 typedef unsigned int CCControlEvent;
 
-typedef void (cocos2d::CCObject::*SEL_CCControlHandler)(cocos2d::CCObject*, CCControlEvent);
+typedef void (CCObject::*SEL_CCControlHandler)(CCObject*, CCControlEvent);
 
 #define cccontrol_selector(_SELECTOR) (SEL_CCControlHandler)(&_SELECTOR)
 
-class CCInvocation : public cocos2d::CCObject
+class CCInvocation : public CCObject
 {
     CC_SYNTHESIZE_READONLY(SEL_CCControlHandler, m_action, Action);
     CC_SYNTHESIZE_READONLY(CCObject*, m_target, Target);
     CC_SYNTHESIZE_READONLY(CCControlEvent, m_controlEvent, ControlEvent);
     
 public:
-    CCInvocation(cocos2d::CCObject* target, SEL_CCControlHandler action, CCControlEvent controlEvent);
+    CCInvocation(CCObject* target, SEL_CCControlHandler action, CCControlEvent controlEvent);
 
-    void invoke(cocos2d::CCObject* sender);
+    void invoke(CCObject* sender);
 };
 
 // end of GUI group
diff --git a/extensions/network/HttpClient.h b/extensions/network/HttpClient.h
index c63d32042a..41a227a83a 100644
--- a/extensions/network/HttpClient.h
+++ b/extensions/network/HttpClient.h
@@ -43,7 +43,7 @@ NS_CC_EXT_BEGIN
 /** @brief Singleton that handles asynchrounous http requests
  * Once the request completed, a callback will issued in main thread when it provided during make request
  */
-class CCHttpClient : public cocos2d::CCObject
+class CCHttpClient : public CCObject
 {
 public:
     /** Return the shared instance **/
diff --git a/extensions/network/HttpRequest.h b/extensions/network/HttpRequest.h
index 89c1a3f812..c6dd2a8781 100644
--- a/extensions/network/HttpRequest.h
+++ b/extensions/network/HttpRequest.h
@@ -35,7 +35,7 @@ NS_CC_EXT_BEGIN
  Please refer to samples/TestCpp/Classes/ExtensionTest/NetworkTest/HttpClientTest.cpp as a sample
  @since v2.0.2
  */
-class CCHttpRequest : public cocos2d::CCObject
+class CCHttpRequest : public CCObject
 {
 public:
     /** Use this enum type as param in setReqeustType(param) */
@@ -155,7 +155,7 @@ public:
     
     /** Required field. You should set the callback selector function at ack the http request completed
      */
-    inline void setResponseCallback(cocos2d::CCObject* pTarget, cocos2d::SEL_CallFuncND pSelector)
+    inline void setResponseCallback(CCObject* pTarget, SEL_CallFuncND pSelector)
     {
         _pTarget = pTarget;
         _pSelector = pSelector;
@@ -171,7 +171,7 @@ public:
         return _pTarget;
     }
     /** Get the selector function pointer, mainly used by CCHttpClient */
-    inline cocos2d::SEL_CallFuncND getSelector()
+    inline SEL_CallFuncND getSelector()
     {
         return _pSelector;
     }
@@ -182,8 +182,8 @@ protected:
     std::string                 _url;            /// target url that this request is sent to
     std::vector<char>           _requestData;    /// used for POST
     std::string                 _tag;            /// user defined tag, to identify different requests in response callback
-    cocos2d::CCObject*          _pTarget;        /// callback target of pSelector function
-    cocos2d::SEL_CallFuncND     _pSelector;      /// callback function, e.g. MyLayer::onHttpResponse(CCObject *sender, void *data)
+    CCObject*          _pTarget;        /// callback target of pSelector function
+    SEL_CallFuncND     _pSelector;      /// callback function, e.g. MyLayer::onHttpResponse(CCObject *sender, void *data)
     void*                       _pUserData;      /// You can add your customed data here 
 };
 
diff --git a/extensions/network/HttpResponse.h b/extensions/network/HttpResponse.h
index 4a5921221f..d0321451fb 100644
--- a/extensions/network/HttpResponse.h
+++ b/extensions/network/HttpResponse.h
@@ -36,7 +36,7 @@ NS_CC_EXT_BEGIN
  Please refer to samples/TestCpp/Classes/ExtensionTest/NetworkTest/HttpClientTest.cpp as a sample
  @since v2.0.2
  */
-class CCHttpResponse : public cocos2d::CCObject
+class CCHttpResponse : public CCObject
 {
 public:
     /** Constructor, it's used by CCHttpClient internal, users don't need to create HttpResponse manually