diff --git a/setup.sh b/setup.sh
index bec3832..4acd9d7 100644
--- a/setup.sh
+++ b/setup.sh
@@ -112,7 +112,7 @@ function get_drive_id () {
 }
 
 function select_part () {
-    local parts enriched_parts enriched_parts_count part_number part_type zfs_install_drive zfs_install_parent
+    local parts enriched_parts enriched_parts_count part_number part_type zfs_install_drive
     declare part
     part_type="${1:?}" # 'efi' or 'zfs'
     zfs_install_drive="${2:-}"