diff --git a/utils.ts b/utils.ts
index aecc1fd..94e930c 100644
--- a/utils.ts
+++ b/utils.ts
@@ -84,7 +84,7 @@ export function isRegularEvent(kind: number): boolean {
 }
 
 export function isCCNReplaceableEvent(kind: number): boolean {
-  return (kind >= 60000 && kind < 65536) || kind === 0;
+  return (kind >= 60000 && kind < 65536);
 }
 
 export function parseATagQuery(