diff --git a/packages/google-cloud-dataproc/src/v1/autoscaling_policy_service_client.ts b/packages/google-cloud-dataproc/src/v1/autoscaling_policy_service_client.ts
index 39b245ad7fc..eeff8fcb075 100644
--- a/packages/google-cloud-dataproc/src/v1/autoscaling_policy_service_client.ts
+++ b/packages/google-cloud-dataproc/src/v1/autoscaling_policy_service_client.ts
@@ -31,6 +31,7 @@ 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/autoscaling_policy_service_client_config.json`.
@@ -147,22 +148,7 @@ export class AutoscalingPolicyServiceClient {
       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/packages/google-cloud-dataproc/src/v1/cluster_controller_client.ts b/packages/google-cloud-dataproc/src/v1/cluster_controller_client.ts
index 9a619e94b59..fd1c7500f89 100644
--- a/packages/google-cloud-dataproc/src/v1/cluster_controller_client.ts
+++ b/packages/google-cloud-dataproc/src/v1/cluster_controller_client.ts
@@ -32,6 +32,7 @@ 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/cluster_controller_client_config.json`.
@@ -148,22 +149,7 @@ export class ClusterControllerClient {
       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.
@@ -201,15 +187,11 @@ export class ClusterControllerClient {
       ),
     };
 
+    const protoFilesRoot = this._gaxModule.protobuf.Root.fromJSON(jsonProtos);
+
     // 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);
 
     this.operationsClient = this._gaxModule
       .lro({
diff --git a/packages/google-cloud-dataproc/src/v1/job_controller_client.ts b/packages/google-cloud-dataproc/src/v1/job_controller_client.ts
index c058f62a83a..af654ef758b 100644
--- a/packages/google-cloud-dataproc/src/v1/job_controller_client.ts
+++ b/packages/google-cloud-dataproc/src/v1/job_controller_client.ts
@@ -32,6 +32,7 @@ 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/job_controller_client_config.json`.
@@ -147,22 +148,7 @@ export class JobControllerClient {
       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.
@@ -197,15 +183,11 @@ export class JobControllerClient {
       ),
     };
 
+    const protoFilesRoot = this._gaxModule.protobuf.Root.fromJSON(jsonProtos);
+
     // 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);
 
     this.operationsClient = this._gaxModule
       .lro({
diff --git a/packages/google-cloud-dataproc/src/v1/workflow_template_service_client.ts b/packages/google-cloud-dataproc/src/v1/workflow_template_service_client.ts
index 4b599cb9cec..30f1063f40d 100644
--- a/packages/google-cloud-dataproc/src/v1/workflow_template_service_client.ts
+++ b/packages/google-cloud-dataproc/src/v1/workflow_template_service_client.ts
@@ -32,6 +32,7 @@ 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/workflow_template_service_client_config.json`.
@@ -149,22 +150,7 @@ export class WorkflowTemplateServiceClient {
       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.
@@ -205,15 +191,11 @@ export class WorkflowTemplateServiceClient {
       ),
     };
 
+    const protoFilesRoot = this._gaxModule.protobuf.Root.fromJSON(jsonProtos);
+
     // 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);
 
     this.operationsClient = this._gaxModule
       .lro({
diff --git a/packages/google-cloud-dataproc/src/v1beta2/autoscaling_policy_service_client.ts b/packages/google-cloud-dataproc/src/v1beta2/autoscaling_policy_service_client.ts
index b4c88f89c66..271c8bcdc0c 100644
--- a/packages/google-cloud-dataproc/src/v1beta2/autoscaling_policy_service_client.ts
+++ b/packages/google-cloud-dataproc/src/v1beta2/autoscaling_policy_service_client.ts
@@ -31,6 +31,7 @@ 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/v1beta2/autoscaling_policy_service_client_config.json`.
@@ -147,22 +148,7 @@ export class AutoscalingPolicyServiceClient {
       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/packages/google-cloud-dataproc/src/v1beta2/cluster_controller_client.ts b/packages/google-cloud-dataproc/src/v1beta2/cluster_controller_client.ts
index eb1029647e3..fe9617cee6c 100644
--- a/packages/google-cloud-dataproc/src/v1beta2/cluster_controller_client.ts
+++ b/packages/google-cloud-dataproc/src/v1beta2/cluster_controller_client.ts
@@ -32,6 +32,7 @@ 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/v1beta2/cluster_controller_client_config.json`.
@@ -148,22 +149,7 @@ export class ClusterControllerClient {
       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.
@@ -198,15 +184,11 @@ export class ClusterControllerClient {
       ),
     };
 
+    const protoFilesRoot = this._gaxModule.protobuf.Root.fromJSON(jsonProtos);
+
     // 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);
 
     this.operationsClient = this._gaxModule
       .lro({
diff --git a/packages/google-cloud-dataproc/src/v1beta2/job_controller_client.ts b/packages/google-cloud-dataproc/src/v1beta2/job_controller_client.ts
index 682fa59a0dd..23be321288f 100644
--- a/packages/google-cloud-dataproc/src/v1beta2/job_controller_client.ts
+++ b/packages/google-cloud-dataproc/src/v1beta2/job_controller_client.ts
@@ -32,6 +32,7 @@ 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/v1beta2/job_controller_client_config.json`.
@@ -147,22 +148,7 @@ export class JobControllerClient {
       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.
@@ -197,15 +183,11 @@ export class JobControllerClient {
       ),
     };
 
+    const protoFilesRoot = this._gaxModule.protobuf.Root.fromJSON(jsonProtos);
+
     // 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);
 
     this.operationsClient = this._gaxModule
       .lro({
diff --git a/packages/google-cloud-dataproc/src/v1beta2/workflow_template_service_client.ts b/packages/google-cloud-dataproc/src/v1beta2/workflow_template_service_client.ts
index f5d3853819c..6d28329306d 100644
--- a/packages/google-cloud-dataproc/src/v1beta2/workflow_template_service_client.ts
+++ b/packages/google-cloud-dataproc/src/v1beta2/workflow_template_service_client.ts
@@ -32,6 +32,7 @@ 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/v1beta2/workflow_template_service_client_config.json`.
@@ -149,22 +150,7 @@ export class WorkflowTemplateServiceClient {
       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.
@@ -205,15 +191,11 @@ export class WorkflowTemplateServiceClient {
       ),
     };
 
+    const protoFilesRoot = this._gaxModule.protobuf.Root.fromJSON(jsonProtos);
+
     // 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);
 
     this.operationsClient = this._gaxModule
       .lro({