diff --git a/util/id/id.go b/util/id/id.go
index 77c3acb4..ce6a69a5 100644
--- a/util/id/id.go
+++ b/util/id/id.go
@@ -21,8 +21,6 @@ func init() {
 
 type Type int
 
-var zeroNode [6]byte
-
 const (
 	TypeUnspecified Type = iota
 	TypeNanoid