diff --git a/extensions/googlechat/src/accounts.ts b/extensions/googlechat/src/accounts.ts
index 1bccd00653f..b08fa6e6311 100644
--- a/extensions/googlechat/src/accounts.ts
+++ b/extensions/googlechat/src/accounts.ts
@@ -12,7 +12,7 @@ import { normalizeOptionalString } from "openclaw/plugin-sdk/text-runtime";
 import { z } from "zod";
 import type { GoogleChatAccountConfig } from "./types.config.js";
 
-export type GoogleChatCredentialSource = "file" | "inline" | "env" | "none";
+type GoogleChatCredentialSource = "file" | "inline" | "env" | "none";
 
 export type ResolvedGoogleChatAccount = {
   accountId: string;
@@ -38,7 +38,7 @@ const {
 } = createAccountListHelpers("googlechat");
 export { listGoogleChatAccountIds, resolveDefaultGoogleChatAccountId };
 
-export function mergeGoogleChatAccountConfig(
+function mergeGoogleChatAccountConfig(
   cfg: OpenClawConfig,
   accountId: string,
 ): GoogleChatAccountConfig {
diff --git a/extensions/googlechat/src/monitor.ts b/extensions/googlechat/src/monitor.ts
index aa66233e2e8..16f0f17db05 100644
--- a/extensions/googlechat/src/monitor.ts
+++ b/extensions/googlechat/src/monitor.ts
@@ -8,10 +8,9 @@ import {
 import { type ResolvedGoogleChatAccount } from "./accounts.js";
 import { downloadGoogleChatMedia, sendGoogleChatMessage } from "./api.js";
 import { type GoogleChatAudienceType } from "./auth.js";
-import { applyGoogleChatInboundAccessPolicy, isSenderAllowed } from "./monitor-access.js";
+import { applyGoogleChatInboundAccessPolicy } from "./monitor-access.js";
 import { deliverGoogleChatReply } from "./monitor-reply-delivery.js";
 import {
-  handleGoogleChatWebhookRequest,
   registerGoogleChatWebhookTarget,
   setGoogleChatWebhookEventProcessor,
 } from "./monitor-routing.js";
@@ -24,12 +23,6 @@ import type {
 import { warnAppPrincipalMisconfiguration } from "./monitor-webhook.js";
 import { getGoogleChatRuntime } from "./runtime.js";
 import type { GoogleChatAttachment, GoogleChatEvent } from "./types.js";
-export type { GoogleChatMonitorOptions, GoogleChatRuntimeEnv } from "./monitor-types.js";
-export {
-  handleGoogleChatWebhookRequest,
-  registerGoogleChatWebhookTarget,
-} from "./monitor-routing.js";
-export { isSenderAllowed };
 
 setGoogleChatWebhookEventProcessor(processGoogleChatEvent);
 
@@ -376,7 +369,7 @@ async function downloadAttachment(
   return { path: saved.path, contentType: saved.contentType };
 }
 
-export function monitorGoogleChatProvider(options: GoogleChatMonitorOptions): () => void {
+function monitorGoogleChatProvider(options: GoogleChatMonitorOptions): () => void {
   const core = getGoogleChatRuntime();
   const webhookPath = resolveWebhookPath({
     webhookPath: options.webhookPath,
diff --git a/extensions/googlechat/src/types.ts b/extensions/googlechat/src/types.ts
index 820c96425d4..0478fa38c92 100644
--- a/extensions/googlechat/src/types.ts
+++ b/extensions/googlechat/src/types.ts
@@ -11,12 +11,12 @@ export type GoogleChatUser = {
   type?: string;
 };
 
-export type GoogleChatThread = {
+type GoogleChatThread = {
   name?: string;
   threadKey?: string;
 };
 
-export type GoogleChatAttachmentDataRef = {
+type GoogleChatAttachmentDataRef = {
   resourceName?: string;
   attachmentUploadToken?: string;
 };
@@ -32,7 +32,7 @@ export type GoogleChatAttachment = {
   driveDataRef?: Record<string, unknown>;
 };
 
-export type GoogleChatUserMention = {
+type GoogleChatUserMention = {
   user?: GoogleChatUser;
   type?: string;
 };