diff --git a/utils/xid.go b/utils/xid.go
index 1a030df..cd0ca04 100644
--- a/utils/xid.go
+++ b/utils/xid.go
@@ -7,7 +7,7 @@ import (
 )
 
 type XID struct {
-	ID string `json:"_id" bson:"_id"`
+	ID string
 }
 
 func NewXID() XID {