diff --git a/app/scheduler/jobs.py b/app/scheduler/jobs.py
index 23eb24f..f8621cb 100644
--- a/app/scheduler/jobs.py
+++ b/app/scheduler/jobs.py
@@ -210,8 +210,16 @@ def _job_bulk_dedup_performers() -> None:
     log.info("[scheduler] bulk_dedup performers starting")
     try:
         from app.scheduler.bulk_dedup import run_bulk_dedup
-        bc = run_bulk_dedup(strategy="performers", dry_run=False)
-        log.info("[scheduler] bulk_dedup performers done: %s", bc)
+        # cross_source_only=True: bez tego flag pairwise generuje N²/2 par na płodnego
+        # performera, materializowane w listę → worker OOM-killed co 12h (6GB RSS na
+        # 7.6GB boxie, 2026-06-06), ubijając przy okazji równoległe tpdb/stashdb/ingesty.
+        # Flag zawęża do cross-source kandydatów (TPDB↔StashDB) z pre-filtrem candidate.
+        # Timeout-wrap jak tpdb/stashdb — job nie ma własnego hard-timeoutu.
+        _run_with_timeout(
+            lambda: run_bulk_dedup(strategy="performers", dry_run=False, cross_source_only=True),
+            label="bulk-dedup-performers",
+        )
+        log.info("[scheduler] bulk_dedup performers done")
     except Exception:
         log.exception("[scheduler] bulk_dedup performers failed")