diff --git a/build/build.sh b/build/build.sh
index 64853b15..8b0e37ec 100755
--- a/build/build.sh
+++ b/build/build.sh
@@ -65,6 +65,8 @@ function build() {
 	# delete hidden files
 	find $DIST -name ".DS_Store" -delete
 	find $DIST -name ".gitignore" -delete
+	find $DIST -name "*.less" -delete
+	find $DIST -name "*.css.map" -delete
 
 	# zip
 	echo "zip files ..."