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 38629e31a3b..aeae2a0c798 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
@@ -133,6 +133,12 @@ export class AutoscalingPolicyServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
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 201c8b6aa6e..d16c61b78c5 100644
--- a/packages/google-cloud-dataproc/src/v1/cluster_controller_client.ts
+++ b/packages/google-cloud-dataproc/src/v1/cluster_controller_client.ts
@@ -134,6 +134,12 @@ export class ClusterControllerClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -2117,6 +2123,7 @@ export class ClusterControllerClient {
       return this.clusterControllerStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
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 e5db782e840..137a46fbfeb 100644
--- a/packages/google-cloud-dataproc/src/v1/job_controller_client.ts
+++ b/packages/google-cloud-dataproc/src/v1/job_controller_client.ts
@@ -133,6 +133,12 @@ export class JobControllerClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -1531,6 +1537,7 @@ export class JobControllerClient {
       return this.jobControllerStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
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 3a3cf992d01..982d469ff51 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
@@ -135,6 +135,12 @@ export class WorkflowTemplateServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -1771,6 +1777,7 @@ export class WorkflowTemplateServiceClient {
       return this.workflowTemplateServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
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 b3ba72f140c..3c955966b26 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
@@ -133,6 +133,12 @@ export class AutoscalingPolicyServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
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 b57e4c1928e..e74e269a8d3 100644
--- a/packages/google-cloud-dataproc/src/v1beta2/cluster_controller_client.ts
+++ b/packages/google-cloud-dataproc/src/v1beta2/cluster_controller_client.ts
@@ -134,6 +134,12 @@ export class ClusterControllerClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -1741,6 +1747,7 @@ export class ClusterControllerClient {
       return this.clusterControllerStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
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 cbc73ef92f4..71ec58c6f00 100644
--- a/packages/google-cloud-dataproc/src/v1beta2/job_controller_client.ts
+++ b/packages/google-cloud-dataproc/src/v1beta2/job_controller_client.ts
@@ -133,6 +133,12 @@ export class JobControllerClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -1541,6 +1547,7 @@ export class JobControllerClient {
       return this.jobControllerStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
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 3a9b24be0d9..16e434b41c6 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
@@ -135,6 +135,12 @@ export class WorkflowTemplateServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -1781,6 +1787,7 @@ export class WorkflowTemplateServiceClient {
       return this.workflowTemplateServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();