diff --git a/data_migration/delete_all.sql b/data_migration/delete_all.sql
index 89d06c9..2ac2b80 100644
--- a/data_migration/delete_all.sql
+++ b/data_migration/delete_all.sql
@@ -6,4 +6,5 @@ DELETE FROM public.competition_publication;
 DELETE FROM public.competition_problem;
 DELETE FROM public.competition_series;
 DELETE FROM public.competition_semester;
-DELETE FROM public.competition_event;
\ No newline at end of file
+DELETE FROM public.competition_event;
+DELETE FROM public.competition_registration_link;
\ No newline at end of file