diff --git a/src/agents/subagent-registry.persistence.test-support.ts b/src/agents/subagent-registry.persistence.test-support.ts
index 075507f1a49..97780cc5b36 100644
--- a/src/agents/subagent-registry.persistence.test-support.ts
+++ b/src/agents/subagent-registry.persistence.test-support.ts
@@ -4,7 +4,7 @@ import { vi } from "vitest";
 
 type SessionStore = Record<string, Record<string, unknown>>;
 
-export function resolveSubagentSessionStorePath(stateDir: string, agentId: string): string {
+function resolveSubagentSessionStorePath(stateDir: string, agentId: string): string {
   return path.join(stateDir, "agents", agentId, "sessions", "sessions.json");
 }
 
diff --git a/src/agents/subagent-spawn.test-helpers.ts b/src/agents/subagent-spawn.test-helpers.ts
index addae563ea1..5c357026a2b 100644
--- a/src/agents/subagent-spawn.test-helpers.ts
+++ b/src/agents/subagent-spawn.test-helpers.ts
@@ -58,11 +58,11 @@ export function setupAcceptedSubagentGatewayMock(callGatewayMock: MockImplementa
   });
 }
 
-export function identityDeliveryContext(value: unknown) {
+function identityDeliveryContext(value: unknown) {
   return value;
 }
 
-export function createDefaultSessionHelperMocks() {
+function createDefaultSessionHelperMocks() {
   return {
     resolveMainSessionAlias: () => ({ mainKey: "main", alias: "main" }),
     resolveInternalSessionKey: ({ key }: { key?: string }) => key ?? "agent:main:main",