diff --git a/sync/sync-to-prod-sig.sh b/sync/sync-to-prod-sig.sh
index 35bdbe8..a7913f1 100644
--- a/sync/sync-to-prod-sig.sh
+++ b/sync/sync-to-prod-sig.sh
@@ -19,7 +19,7 @@ if [ $ret_val -eq "0" ]; then
   # disabling because none of our files should be starting with dashes. If they
   # are something is *seriously* wrong here.
   # shellcheck disable=SC2035
-  sudo -l && find **/* -maxdepth 0 -type d | parallel --will-cite -j 18 sudo rsync -av --chown=10004:10005 --progress --relative --human-readable \
+  sudo -l && find **/* -maxdepth 0 -type d | parallel --will-cite -j 18 sudo rsync -av --chown=10004:10005 --progress --relative --human-readable --delete \
       {} "${TARGET}"
 
   cd "${PRODUCTION_ROOT}/${SIG_CATEGORY_STUB}/" || { echo "Failed to change directory"; exit 1; }
diff --git a/sync/sync-to-staging-sig.sh b/sync/sync-to-staging-sig.sh
index a7b729a..bdd133f 100644
--- a/sync/sync-to-staging-sig.sh
+++ b/sync/sync-to-staging-sig.sh
@@ -26,6 +26,6 @@ if [ $ret_val -eq "0" ]; then
   # disabling because none of our files should be starting with dashes. If they
   # are something is *seriously* wrong here.
   # shellcheck disable=SC2035
-  sudo -l && find **/* -maxdepth 0 -type d | parallel --will-cite -j 18 sudo rsync -av --chown=10004:10005 --progress --relative --human-readable \
+  sudo -l && find **/* -maxdepth 0 -type d | parallel --will-cite -j 18 sudo rsync -av --chown=10004:10005 --progress --relative --human-readable --delete \
       {} "${TARGET}"
 fi