diff --git a/paddle/scripts/paddle_build.bat b/paddle/scripts/paddle_build.bat
index ace015d2adbb1dd34c2845f5c18e4c38882fabc8..d642a3fa202f0b8ab86a209f7e42212642b7213c 100644
--- a/paddle/scripts/paddle_build.bat
+++ b/paddle/scripts/paddle_build.bat
@@ -21,7 +21,6 @@ rem =================================================
 
 rem -------clean up environment-----------
 set work_dir=%cd%
-if exist build rmdir build /s/q
 mkdir build
 cd /d build
 tree .