diff --git a/backend/app/workers/tasks/scrape_objective.py b/backend/app/workers/tasks/scrape_objective.py
index 7e03dd1f..21629da4 100644
--- a/backend/app/workers/tasks/scrape_objective.py
+++ b/backend/app/workers/tasks/scrape_objective.py
@@ -429,7 +429,6 @@ def sync_all_groups(
         logger.info("[%d/%d] sync_objective_group(group=%r) START", idx + 1, len(eff_groups), group)
         try:
             res = sync_objective_group(
-                self,
                 group_name=group,
                 triggered_by=f"{triggered_by}-multi",
                 use_ddu=eff_use_ddu,