diff --git a/api/app/tasks/worker_registry_tasks.py b/api/app/tasks/worker_registry_tasks.py
index 865689c..f514ce9 100644
--- a/api/app/tasks/worker_registry_tasks.py
+++ b/api/app/tasks/worker_registry_tasks.py
@@ -5,7 +5,11 @@ from ..core.config import get_settings
 from ..services.worker_registry_service import sweep_offline_workers
 
 
-@celery_app.task(name="app.tasks.worker_registry_tasks.sweep_worker_registry_offline")
+@celery_app.task(
+    name="app.tasks.worker_registry_tasks.sweep_worker_registry_offline",
+    ignore_result=True,
+    track_started=False,
+)
 def sweep_worker_registry_offline() -> dict[str, int]:
     settings = get_settings()
     updated_count = sweep_offline_workers(ttl_seconds=settings.worker_registry_ttl_seconds)
diff --git a/web/src/app/admin/task-monitor/page.tsx b/web/src/app/admin/task-monitor/page.tsx
index 215f56b..990415b 100644
--- a/web/src/app/admin/task-monitor/page.tsx
+++ b/web/src/app/admin/task-monitor/page.tsx
@@ -357,7 +357,7 @@ export default function AdminTaskMonitorPage() {
       rows.push(...toTaskRows(overview.worker, "SCHEDULED", overview.scheduled_tasks));
       rows.push(...toTaskRows(overview.worker, "RECENT", overview.recent_tasks));
     }
-    return rows;
+    return rows.filter((task) => task.name !== "app.tasks.worker_registry_tasks.sweep_worker_registry_offline");
   }, [allTasksQuery.data]);
 
   const filteredTaskRows = useMemo(() => {