diff --git a/packages/relayer/indexer/detect_and_handle_reorg.go b/packages/relayer/indexer/detect_and_handle_reorg.go
index 30d5efa35d3..c82c75f1d99 100644
--- a/packages/relayer/indexer/detect_and_handle_reorg.go
+++ b/packages/relayer/indexer/detect_and_handle_reorg.go
@@ -9,12 +9,6 @@ import (
 )
 
 func (i *Indexer) detectAndHandleReorg(ctx context.Context, eventType string, msgHash string) error {
-	// dont check on crawling past blocks, it will be a secondary indexer.
-	// we expect to see duplicates in this mode.
-	if i.watchMode == CrawlPastBlocks {
-		return nil
-	}
-
 	e, err := i.eventRepo.FirstByEventAndMsgHash(ctx, eventType, msgHash)
 	if err != nil {
 		return errors.Wrap(err, "svc.eventRepo.FirstByMsgHash")