diff --git a/build_ohana.sh b/build_ohana.sh
index 1cc96f2318dc63801622af708bf54370773d0c53..2ee70823c72210b644a98fe41f44f65a9bfc9c91 100755
--- a/build_ohana.sh
+++ b/build_ohana.sh
@@ -76,9 +76,9 @@ if [[ $build_option != 1 && $build_option != 3 ]]; then
   echo "Setting up css/js and removing ohana ..."
   mv "$DRUPAL_PATH"/web/profiles/uw_base_profile/modules/custom/uw_wcms_ohana/ohana/dist "$DRUPAL_PATH"/web/profiles/uw_base_profile/modules/custom/uw_wcms_ohana/
   cd "$DRUPAL_PATH"/web/profiles/uw_base_profile/modules/custom/uw_wcms_ohana/ohana/dist/css
-  ls | grep -v all.min.css | parallel rm
+  rm !("all.min.css")
   cd "$DRUPAL_PATH"/web/profiles/uw_base_profile/modules/custom/uw_wcms_ohana/ohana/dist/js
-  ls | grep -v all.min.js | parallel rm
+  rm !("all.min.js")
   cd "$DRUPAL_PATH"/web/profiles/uw_base_profile/modules/custom/uw_wcms_ohana/
   rm -rf ohana
   echo "**************************************************************************************"