diff --git a/src/options.ts b/src/options.ts
deleted file mode 100644
index bda11d9f..00000000
--- a/src/options.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright 2017 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Accepts an options object passed from the user to the API.  In the
-// previous version of the API, it referred to a `Request` options object.
-// Now it refers to an Axiox Request Config object.  This is here to help
-// ensure users don't pass invalid options when they upgrade from 0.x to 1.x.
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export function validate(options: any) {
-  const vpairs = [
-    {invalid: 'uri', expected: 'url'},
-    {invalid: 'json', expected: 'data'},
-    {invalid: 'qs', expected: 'params'},
-  ];
-  for (const pair of vpairs) {
-    if (options[pair.invalid]) {
-      const e = `'${pair.invalid}' is not a valid configuration option. Please use '${pair.expected}' instead. This library is using Axios for requests. Please see https://github.com/axios/axios to learn more about the valid request options.`;
-      throw new Error(e);
-    }
-  }
-}
diff --git a/src/transporters.ts b/src/transporters.ts
index 41660308..c60a556d 100644
--- a/src/transporters.ts
+++ b/src/transporters.ts
@@ -19,9 +19,7 @@ import {
   GaxiosPromise,
   GaxiosResponse,
 } from 'gaxios';
-import {validate} from './options';
 
-// eslint-disable-next-line @typescript-eslint/no-var-requires
 const pkg = require('../../package.json');
 
 const PRODUCT_NAME = 'google-api-nodejs-client';
@@ -85,7 +83,6 @@ export class DefaultTransporter implements Transporter {
   request<T>(opts: GaxiosOptions): GaxiosPromise<T> {
     // ensure the user isn't passing in request-style options
     opts = this.configure(opts);
-    validate(opts);
     return this.instance.request<T>(opts).catch(e => {
       throw this.processError(e);
     });
diff --git a/test/test.transporters.ts b/test/test.transporters.ts
index 6c019191..055ede56 100644
--- a/test/test.transporters.ts
+++ b/test/test.transporters.ts
@@ -121,16 +121,6 @@ describe('transporters', () => {
     );
   });
 
-  it('should return an error if you try to use request config options with a promise', async () => {
-    const expected = new RegExp(
-      "'uri' is not a valid configuration option. Please use 'url' instead. This " +
-        'library is using Axios for requests. Please see https://github.com/axios/axios ' +
-        'to learn more about the valid request options.'
-    );
-    const uri = 'http://example.com/api';
-    assert.throws(() => transporter.request({uri} as GaxiosOptions), expected);
-  });
-
   it('should support invocation with async/await', async () => {
     const url = 'http://example.com';
     const scope = nock(url).get('/').reply(200);