diff --git a/src/auth/baseexternalclient.ts b/src/auth/baseexternalclient.ts
index 6496b143..b74eae2e 100644
--- a/src/auth/baseexternalclient.ts
+++ b/src/auth/baseexternalclient.ts
@@ -63,11 +63,6 @@ const WORKFORCE_AUDIENCE_PATTERN =
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const pkg = require('../../../package.json');
 
-/**
- * For backwards compatibility.
- */
-export {DEFAULT_UNIVERSE} from './authclient';
-
 export interface SharedExternalAccountClientOptions extends AuthClientOptions {
   audience: string;
   token_url: string;
diff --git a/test/test.baseexternalclient.ts b/test/test.baseexternalclient.ts
index 96ea57ce..26990bd6 100644
--- a/test/test.baseexternalclient.ts
+++ b/test/test.baseexternalclient.ts
@@ -23,7 +23,6 @@ import {
   EXPIRATION_TIME_OFFSET,
   BaseExternalAccountClient,
   BaseExternalAccountClientOptions,
-  DEFAULT_UNIVERSE,
 } from '../src/auth/baseexternalclient';
 import {
   OAuthErrorResponse,
@@ -40,7 +39,7 @@ import {
   mockStsTokenExchange,
   getExpectedExternalAccountMetricsHeaderValue,
 } from './externalclienthelper';
-import {AuthClientOptions} from '../src/auth/authclient';
+import {AuthClientOptions, DEFAULT_UNIVERSE} from '../src/auth/authclient';
 
 nock.disableNetConnect();
 
diff --git a/test/test.externalaccountauthorizeduserclient.ts b/test/test.externalaccountauthorizeduserclient.ts
index c97e4b03..584463dd 100644
--- a/test/test.externalaccountauthorizeduserclient.ts
+++ b/test/test.externalaccountauthorizeduserclient.ts
@@ -23,15 +23,13 @@ import {
   ExternalAccountAuthorizedUserClient,
   ExternalAccountAuthorizedUserClientOptions,
 } from '../src/auth/externalAccountAuthorizedUserClient';
-import {
-  DEFAULT_UNIVERSE,
-  EXPIRATION_TIME_OFFSET,
-} from '../src/auth/baseexternalclient';
+import {EXPIRATION_TIME_OFFSET} from '../src/auth/baseexternalclient';
 import {GaxiosError, GaxiosResponse} from 'gaxios';
 import {
   getErrorFromOAuthErrorResponse,
   OAuthErrorResponse,
 } from '../src/auth/oauth2common';
+import {DEFAULT_UNIVERSE} from '../src/auth/authclient';
 
 nock.disableNetConnect();