diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ea13aff33d0..1407e6cd2ef 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1383,7 +1383,7 @@ jobs:
             runner: blacksmith-4vcpu-ubuntu-2404
           - check_name: check-lint
             task: lint
-            runner: blacksmith-16vcpu-ubuntu-2404
+            runner: blacksmith-8vcpu-ubuntu-2404
           - check_name: check-policy-guards
             task: policy-guards
             runner: ubuntu-24.04
diff --git a/src/agents/pi-embedded-runner/run/attempt.model-diagnostic-events.ts b/src/agents/pi-embedded-runner/run/attempt.model-diagnostic-events.ts
index 8ed73d50b2e..4f641f21881 100644
--- a/src/agents/pi-embedded-runner/run/attempt.model-diagnostic-events.ts
+++ b/src/agents/pi-embedded-runner/run/attempt.model-diagnostic-events.ts
@@ -11,8 +11,6 @@ import {
   type DiagnosticTraceContext,
 } from "../../../infra/diagnostic-trace-context.js";
 
-export { diagnosticErrorCategory };
-
 type ModelCallDiagnosticContext = {
   runId: string;
   sessionKey?: string;