diff --git a/extensions/google-meet/src/test-support/plugin-harness.ts b/extensions/google-meet/src/test-support/plugin-harness.ts
index 8c95618fb01..232206f90bf 100644
--- a/extensions/google-meet/src/test-support/plugin-harness.ts
+++ b/extensions/google-meet/src/test-support/plugin-harness.ts
@@ -13,7 +13,7 @@ export const noopLogger = {
   debug: vi.fn(),
 };
 
-export type GoogleMeetTestNodeListResult = {
+type GoogleMeetTestNodeListResult = {
   nodes: Array<{
     nodeId: string;
     displayName?: string;
diff --git a/extensions/google-meet/src/transports/chrome-browser-proxy.ts b/extensions/google-meet/src/transports/chrome-browser-proxy.ts
index 77ad9b13ea1..afdd5b67f5e 100644
--- a/extensions/google-meet/src/transports/chrome-browser-proxy.ts
+++ b/extensions/google-meet/src/transports/chrome-browser-proxy.ts
@@ -35,7 +35,7 @@ export function isSameMeetUrlForReuse(a: string | undefined, b: string | undefin
   return Boolean(normalizedA && normalizedB && normalizedA === normalizedB);
 }
 
-export type GoogleMeetNodeInfo = {
+type GoogleMeetNodeInfo = {
   caps?: string[];
   commands?: string[];
   connected?: boolean;
diff --git a/extensions/google-meet/src/transports/chrome-create.ts b/extensions/google-meet/src/transports/chrome-create.ts
index e6d8f394a3a..ab813d0ad30 100644
--- a/extensions/google-meet/src/transports/chrome-create.ts
+++ b/extensions/google-meet/src/transports/chrome-create.ts
@@ -25,7 +25,7 @@ type BrowserCreateStepResult = {
   retryAfterMs?: number;
 };
 
-export type GoogleMeetBrowserCreateResult = {
+type GoogleMeetBrowserCreateResult = {
   meetingUri: string;
   nodeId: string;
   targetId?: string;
@@ -35,7 +35,7 @@ export type GoogleMeetBrowserCreateResult = {
   source: "browser";
 };
 
-export type GoogleMeetBrowserManualAction = {
+type GoogleMeetBrowserManualAction = {
   source: "browser";
   error: string;
   manualActionRequired: true;
@@ -50,7 +50,7 @@ export type GoogleMeetBrowserManualAction = {
   };
 };
 
-export class GoogleMeetBrowserManualActionError extends Error {
+class GoogleMeetBrowserManualActionError extends Error {
   readonly payload: GoogleMeetBrowserManualAction;
 
   constructor(payload: Omit<GoogleMeetBrowserManualAction, "source" | "error">) {
diff --git a/extensions/google-meet/src/transports/twilio.ts b/extensions/google-meet/src/transports/twilio.ts
index cc1ddfa79a8..52168fe3f6d 100644
--- a/extensions/google-meet/src/transports/twilio.ts
+++ b/extensions/google-meet/src/transports/twilio.ts
@@ -14,7 +14,7 @@ export function normalizeDialInNumber(value: unknown): string | undefined {
   return compact;
 }
 
-export function normalizeDtmfSequence(value: unknown): string | undefined {
+function normalizeDtmfSequence(value: unknown): string | undefined {
   const normalized = normalizeOptionalString(value);
   if (!normalized) {
     return undefined;
diff --git a/extensions/google-meet/src/transports/types.ts b/extensions/google-meet/src/transports/types.ts
index 575dc94633c..3624dfd287b 100644
--- a/extensions/google-meet/src/transports/types.ts
+++ b/extensions/google-meet/src/transports/types.ts
@@ -1,6 +1,6 @@
 import type { GoogleMeetMode, GoogleMeetTransport } from "../config.js";
 
-export type GoogleMeetSessionState = "active" | "ended";
+type GoogleMeetSessionState = "active" | "ended";
 
 export type GoogleMeetJoinRequest = {
   url: string;
@@ -12,14 +12,14 @@ export type GoogleMeetJoinRequest = {
   dtmfSequence?: string;
 };
 
-export type GoogleMeetManualActionReason =
+type GoogleMeetManualActionReason =
   | "google-login-required"
   | "meet-admission-required"
   | "meet-permission-required"
   | "meet-audio-choice-required"
   | "browser-control-unavailable";
 
-export type GoogleMeetSpeechBlockedReason =
+type GoogleMeetSpeechBlockedReason =
   | GoogleMeetManualActionReason
   | "not-in-call"
   | "browser-unverified"