diff --git a/dagsync/ipnisync/sync.go b/dagsync/ipnisync/sync.go
index d2889f4..899b1da 100644
--- a/dagsync/ipnisync/sync.go
+++ b/dagsync/ipnisync/sync.go
@@ -241,7 +241,7 @@ func (s *Syncer) Sync(ctx context.Context, nextCid cid.Cid, sel ipld.Node) error
 	reqType, ok := ctx.Value(CidSchemaHeader).(string)
 	if ok {
 		switch reqType {
-		case CidSchemaAd, CidSchemaEntries, "":
+		case CidSchemaAd, CidSchemaEntries:
 		default:
 			return fmt.Errorf("invalid cid schema type: %s", reqType)
 		}
@@ -329,7 +329,7 @@ retry:
 	}
 
 	reqType, ok := ctx.Value(CidSchemaHeader).(string)
-	if ok && reqType != "" {
+	if ok {
 		req.Header.Set(CidSchemaHeader, reqType)
 	}