diff --git a/_build/update_site.sh b/_build/update_site.sh
index f0b39bc7..cba8aded 100755
--- a/_build/update_site.sh
+++ b/_build/update_site.sh
@@ -38,7 +38,7 @@ fi
 
 # Update local branch
 git reset --hard origin/master
-git clean -x -f -d
+git clean -f -d
 
 ## Whether to auto-build or force-build
 case "${1:-nil}" in