diff --git a/src/agents/pi-embedded-runner/empty-assistant-turn.ts b/src/agents/pi-embedded-runner/empty-assistant-turn.ts
index 6235aec7bb5..d33b6b433ef 100644
--- a/src/agents/pi-embedded-runner/empty-assistant-turn.ts
+++ b/src/agents/pi-embedded-runner/empty-assistant-turn.ts
@@ -24,7 +24,7 @@ function isZero(value: number | undefined): value is 0 {
   return value === 0;
 }
 
-export function hasZeroTokenUsageSnapshot(usage: unknown): boolean {
+function hasZeroTokenUsageSnapshot(usage: unknown): boolean {
   if (!usage || typeof usage !== "object") {
     return false;
   }
diff --git a/src/agents/pi-embedded-runner/run/attempt.sessions-yield.ts b/src/agents/pi-embedded-runner/run/attempt.sessions-yield.ts
index d707f763933..52b20b82090 100644
--- a/src/agents/pi-embedded-runner/run/attempt.sessions-yield.ts
+++ b/src/agents/pi-embedded-runner/run/attempt.sessions-yield.ts
@@ -6,7 +6,7 @@ const SESSIONS_YIELD_CONTEXT_CUSTOM_TYPE = "openclaw.sessions_yield";
 const SESSIONS_YIELD_ABORT_SETTLE_TIMEOUT_MS = process.env.OPENCLAW_TEST_FAST === "1" ? 250 : 2_000;
 
 // Persist a hidden context reminder so the next turn knows why the runner stopped.
-export function buildSessionsYieldContextMessage(message: string): string {
+function buildSessionsYieldContextMessage(message: string): string {
   return `${message}\n\n[Context: The previous turn ended intentionally via sessions_yield while waiting for a follow-up event.]`;
 }
 
diff --git a/src/agents/pi-embedded-runner/run/attempt.thread-helpers.ts b/src/agents/pi-embedded-runner/run/attempt.thread-helpers.ts
index 4859dfff07f..c1760c970f6 100644
--- a/src/agents/pi-embedded-runner/run/attempt.thread-helpers.ts
+++ b/src/agents/pi-embedded-runner/run/attempt.thread-helpers.ts
@@ -55,7 +55,7 @@ export function shouldUseOpenAIWebSocketTransport(params: {
   return endpointClass === "default" || endpointClass === "openai-public";
 }
 
-export function shouldAppendAttemptCacheTtl(params: {
+function shouldAppendAttemptCacheTtl(params: {
   timedOutDuringCompaction: boolean;
   compactionOccurredThisAttempt: boolean;
   config?: OpenClawConfig;
diff --git a/src/agents/pi-embedded-runner/session-manager-cache.ts b/src/agents/pi-embedded-runner/session-manager-cache.ts
index 800f89c1573..de6fc14c526 100644
--- a/src/agents/pi-embedded-runner/session-manager-cache.ts
+++ b/src/agents/pi-embedded-runner/session-manager-cache.ts
@@ -88,10 +88,6 @@ export function trackSessionManagerAccess(sessionFile: string): void {
   sessionManagerCache.trackSessionManagerAccess(sessionFile);
 }
 
-export function isSessionManagerCached(sessionFile: string): boolean {
-  return sessionManagerCache.isSessionManagerCached(sessionFile);
-}
-
 export async function prewarmSessionFile(sessionFile: string): Promise<void> {
   await sessionManagerCache.prewarmSessionFile(sessionFile);
 }
diff --git a/src/agents/pi-embedded-runner/wait-for-idle-before-flush.ts b/src/agents/pi-embedded-runner/wait-for-idle-before-flush.ts
index 71b661aadb7..e38089b8789 100644
--- a/src/agents/pi-embedded-runner/wait-for-idle-before-flush.ts
+++ b/src/agents/pi-embedded-runner/wait-for-idle-before-flush.ts
@@ -7,7 +7,7 @@ type ToolResultFlushManager = {
   clearPendingToolResults?: (() => void) | undefined;
 };
 
-export const DEFAULT_WAIT_FOR_IDLE_TIMEOUT_MS = 30_000;
+const DEFAULT_WAIT_FOR_IDLE_TIMEOUT_MS = 30_000;
 
 async function waitForAgentIdleBestEffort(
   agent: IdleAwareAgent | null | undefined,