diff --git a/cocos2dx/platform/android/CCThread_android.cpp b/cocos2dx/platform/android/CCThread_android.cpp
deleted file mode 100644
index cff54e0af2..0000000000
--- a/cocos2dx/platform/android/CCThread_android.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/****************************************************************************
-Copyright (c) 2010 cocos2d-x.org
-
-http://www.cocos2d-x.org
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-****************************************************************************/
-
-#if CCX_SUPPORT_MULTITHREAD
-
-#include <semaphore.h>
-#include "CCThread.h"
-
-NS_CC_BEGIN;
-
-class CCLock::Impl
-{
-public:
-    Impl()
-    {
-        sem_init(&m_sMutex, 0, 0);
-    }
-
-    ~Impl()
-    {
-        sem_destroy(&m_sMutex);
-    }
-
-	sem_t m_sMutex;
-};
-
-CCLock::CCLock()
-: m_pImp(new CCLock::Impl)
-{
-}
-
-CCLock::~CCLock()
-{
-    CC_SAFE_DELETE(m_pImp);
-}
-
-void CCLock::lock()
-{
-    if (m_pImp)
-    {
-        sem_wait(&m_pImp->m_sMutex);
-    }
-}
-
-void CCLock::unlock()
-{
-    if (m_pImp)
-    {
-		sem_post(&m_pImp->m_sMutex);
-    }
-}
-
-NS_CC_END;
-
-#endif  // CCX_SUPPORT_MULTITHREAD
diff --git a/cocos2dx/platform/win32/CCThread_win32.cpp b/cocos2dx/platform/win32/CCThread_win32.cpp
deleted file mode 100644
index d3f5a12faa..0000000000
--- a/cocos2dx/platform/win32/CCThread_win32.cpp
+++ /dev/null
@@ -1 +0,0 @@
-