diff --git a/src/v1/publisher_client.ts b/src/v1/publisher_client.ts
index 93509242d..b2c771d48 100644
--- a/src/v1/publisher_client.ts
+++ b/src/v1/publisher_client.ts
@@ -28,11 +28,11 @@ import {
   IamClient,
   IamProtos,
 } from 'google-gax';
-import * as path from 'path';
 
 import {Transform} from 'stream';
 import {RequestType} from 'google-gax/build/src/apitypes';
 import * as protos from '../../protos/protos';
+import jsonProtos = require('../../protos/protos.json');
 /**
  * Client JSON configuration object, loaded from
  * `src/v1/publisher_client_config.json`.
@@ -150,22 +150,7 @@ export class PublisherClient {
       clientHeader.push(`${opts.libName}/${opts.libVersion}`);
     }
     // Load the applicable protos.
-    // For Node.js, pass the path to JSON proto file.
-    // For browsers, pass the JSON content.
-
-    const nodejsProtoPath = path.join(
-      __dirname,
-      '..',
-      '..',
-      'protos',
-      'protos.json'
-    );
-    this._protos = this._gaxGrpc.loadProto(
-      opts.fallback
-        ? // eslint-disable-next-line @typescript-eslint/no-var-requires
-          require('../../protos/protos.json')
-        : nodejsProtoPath
-    );
+    this._protos = this._gaxGrpc.loadProtoJSON(jsonProtos);
 
     // This API contains "path templates"; forward-slash-separated
     // identifiers to uniquely identify resources within the API.
@@ -209,15 +194,7 @@ export class PublisherClient {
       ),
     };
 
-    // This API contains "long-running operations", which return a
-    // an Operation object that allows for tracking of the operation,
-    // rather than holding a request open.
-    const protoFilesRoot = opts.fallback
-      ? this._gaxModule.protobuf.Root.fromJSON(
-          // eslint-disable-next-line @typescript-eslint/no-var-requires
-          require('../../protos/protos.json')
-        )
-      : this._gaxModule.protobuf.loadSync(nodejsProtoPath);
+    const protoFilesRoot = this._gaxModule.protobuf.Root.fromJSON(jsonProtos);
 
     // Some methods on this API support automatically batching
     // requests; denote this.
diff --git a/src/v1/schema_service_client.ts b/src/v1/schema_service_client.ts
index 5c04c0651..23038577f 100644
--- a/src/v1/schema_service_client.ts
+++ b/src/v1/schema_service_client.ts
@@ -28,11 +28,11 @@ import {
   IamClient,
   IamProtos,
 } from 'google-gax';
-import * as path from 'path';
 
 import {Transform} from 'stream';
 import {RequestType} from 'google-gax/build/src/apitypes';
 import * as protos from '../../protos/protos';
+import jsonProtos = require('../../protos/protos.json');
 /**
  * Client JSON configuration object, loaded from
  * `src/v1/schema_service_client_config.json`.
@@ -149,22 +149,7 @@ export class SchemaServiceClient {
       clientHeader.push(`${opts.libName}/${opts.libVersion}`);
     }
     // Load the applicable protos.
-    // For Node.js, pass the path to JSON proto file.
-    // For browsers, pass the JSON content.
-
-    const nodejsProtoPath = path.join(
-      __dirname,
-      '..',
-      '..',
-      'protos',
-      'protos.json'
-    );
-    this._protos = this._gaxGrpc.loadProto(
-      opts.fallback
-        ? // eslint-disable-next-line @typescript-eslint/no-var-requires
-          require('../../protos/protos.json')
-        : nodejsProtoPath
-    );
+    this._protos = this._gaxGrpc.loadProtoJSON(jsonProtos);
 
     // This API contains "path templates"; forward-slash-separated
     // identifiers to uniquely identify resources within the API.
diff --git a/src/v1/subscriber_client.ts b/src/v1/subscriber_client.ts
index 4b8845544..258740cb7 100644
--- a/src/v1/subscriber_client.ts
+++ b/src/v1/subscriber_client.ts
@@ -28,11 +28,11 @@ import {
   IamClient,
   IamProtos,
 } from 'google-gax';
-import * as path from 'path';
 
 import {Transform} from 'stream';
 import {RequestType} from 'google-gax/build/src/apitypes';
 import * as protos from '../../protos/protos';
+import jsonProtos = require('../../protos/protos.json');
 /**
  * Client JSON configuration object, loaded from
  * `src/v1/subscriber_client_config.json`.
@@ -151,22 +151,7 @@ export class SubscriberClient {
       clientHeader.push(`${opts.libName}/${opts.libVersion}`);
     }
     // Load the applicable protos.
-    // For Node.js, pass the path to JSON proto file.
-    // For browsers, pass the JSON content.
-
-    const nodejsProtoPath = path.join(
-      __dirname,
-      '..',
-      '..',
-      'protos',
-      'protos.json'
-    );
-    this._protos = this._gaxGrpc.loadProto(
-      opts.fallback
-        ? // eslint-disable-next-line @typescript-eslint/no-var-requires
-          require('../../protos/protos.json')
-        : nodejsProtoPath
-    );
+    this._protos = this._gaxGrpc.loadProtoJSON(jsonProtos);
 
     // This API contains "path templates"; forward-slash-separated
     // identifiers to uniquely identify resources within the API.
diff --git a/webpack.config.js b/webpack.config.js
index 16a13980c..6336ba021 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC
+// Copyright 2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.