diff --git a/sql/1nf/parkaliases.sql b/sql/1nf/parkaliases.sql
index 01eeac9..981a58c 100644
--- a/sql/1nf/parkaliases.sql
+++ b/sql/1nf/parkaliases.sql
@@ -19,4 +19,6 @@ select parkid, case instr(alias, ";")
 	else trim(substr(alias, 1, instr(alias, ";") - 1)) end as a
 from aliases
 where a != '';
+
+alter table parks drop column "park.alias";
 commit;