diff --git a/cocos2dx/platform/win32/CCXApplication_win32.h b/cocos2dx/platform/win32/CCXApplication_win32.h
index 88a919aa8d..c226084a24 100644
--- a/cocos2dx/platform/win32/CCXApplication_win32.h
+++ b/cocos2dx/platform/win32/CCXApplication_win32.h
@@ -84,6 +84,4 @@ protected:
 
 }       // end of namespace   cocos2d
 
-extern JNIEnv *env;
-
 #endif	// end of __CCX_APPLICATION_WIN32_H__