diff --git a/src/cron/isolated-agent/run.ts b/src/cron/isolated-agent/run.ts
index 422a81fe3..6a557db34 100644
--- a/src/cron/isolated-agent/run.ts
+++ b/src/cron/isolated-agent/run.ts
@@ -35,7 +35,6 @@ import { resolveAgentTimeoutMs } from "../../agents/timeout.js";
 import { hasNonzeroUsage } from "../../agents/usage.js";
 import { ensureAgentWorkspace } from "../../agents/workspace.js";
 import {
-  formatXHighModelHint,
   normalizeThinkLevel,
   normalizeVerboseLevel,
   supportsXHighThinking,