diff --git a/src/agents/embedded-agent-runner/cache-ttl.ts b/src/agents/embedded-agent-runner/cache-ttl.ts
index b7e1eb5e731e..36f17b08c20b 100644
--- a/src/agents/embedded-agent-runner/cache-ttl.ts
+++ b/src/agents/embedded-agent-runner/cache-ttl.ts
@@ -16,7 +16,7 @@ type CustomEntryLike = { type?: unknown; customType?: unknown; data?: unknown };
 
 const CACHE_TTL_CUSTOM_TYPE = "openclaw.cache-ttl";
 
-export type CacheTtlEntryData = {
+type CacheTtlEntryData = {
   timestamp: number;
   provider?: string;
   modelId?: string;