diff --git a/cmd/integration/commands/refetence_db.go b/cmd/integration/commands/refetence_db.go
index f8e18ca9d..591cf7bee 100644
--- a/cmd/integration/commands/refetence_db.go
+++ b/cmd/integration/commands/refetence_db.go
@@ -413,7 +413,7 @@ func mdbxToMdbx(ctx context.Context, logger log.Logger, from, to string) error {
 	src := mdbx2.NewMDBX(logger).Path(from).Flags(func(flags uint) uint { return mdbx.Readonly | mdbx.Accede }).MustOpen()
 	dst := mdbx2.NewMDBX(logger).Path(to).
 		WriteMap().
-		Flags(func(flags uint) uint { return flags | mdbx.NoMemInit | mdbx.WriteMap }).
+		Flags(func(flags uint) uint { return flags | mdbx.NoMemInit | mdbx.WriteMap | mdbx.Accede }).
 		MustOpen()
 	return kv2kv(ctx, src, dst)
 }
@@ -430,7 +430,7 @@ func kv2kv(ctx context.Context, src, dst kv.RwDB) error {
 	}
 	defer dstTx.Rollback()
 
-	commitEvery := time.NewTicker(30 * time.Second)
+	commitEvery := time.NewTicker(5 * time.Minute)
 	defer commitEvery.Stop()
 
 	var total uint64
@@ -440,6 +440,7 @@ func kv2kv(ctx context.Context, src, dst kv.RwDB) error {
 		}
 
 		rawdbreset.WarmupTable(ctx, src, name)
+		_ = dstTx.ClearBucket(name)
 		c, err := dstTx.RwCursor(name)
 		if err != nil {
 			return err