diff --git a/CMakeLists.txt b/CMakeLists.txt
index f429b7548a72..33411c9f5031 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,6 @@ set(CMAKE_MODULE_PATH ${COCOS2DX_ROOT_PATH}/cmake/Modules/)
 
 # prevent in-source-build
 include(PreventInSourceBuilds)
-AssureOutOfSourceBuilds()
 
 # works before build libcocos2d
 include(CocosBuildSet)