diff --git a/packages/google-cloud-asset/src/v1/asset_service_client.ts b/packages/google-cloud-asset/src/v1/asset_service_client.ts
index f6016afb811..8c115bb4b07 100644
--- a/packages/google-cloud-asset/src/v1/asset_service_client.ts
+++ b/packages/google-cloud-asset/src/v1/asset_service_client.ts
@@ -133,6 +133,12 @@ export class AssetServiceClient {
     // 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;
@@ -3112,6 +3118,7 @@ export class AssetServiceClient {
       return this.assetServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-asset/src/v1p1beta1/asset_service_client.ts b/packages/google-cloud-asset/src/v1p1beta1/asset_service_client.ts
index a749e2e655d..4ad954dd9b3 100644
--- a/packages/google-cloud-asset/src/v1p1beta1/asset_service_client.ts
+++ b/packages/google-cloud-asset/src/v1p1beta1/asset_service_client.ts
@@ -130,6 +130,12 @@ export class AssetServiceClient {
     // 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-asset/src/v1p2beta1/asset_service_client.ts b/packages/google-cloud-asset/src/v1p2beta1/asset_service_client.ts
index f3e6ca6b1a2..43e4ace69e8 100644
--- a/packages/google-cloud-asset/src/v1p2beta1/asset_service_client.ts
+++ b/packages/google-cloud-asset/src/v1p2beta1/asset_service_client.ts
@@ -122,6 +122,12 @@ export class AssetServiceClient {
     // 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-asset/src/v1p4beta1/asset_service_client.ts b/packages/google-cloud-asset/src/v1p4beta1/asset_service_client.ts
index e9741134f50..8f682983863 100644
--- a/packages/google-cloud-asset/src/v1p4beta1/asset_service_client.ts
+++ b/packages/google-cloud-asset/src/v1p4beta1/asset_service_client.ts
@@ -128,6 +128,12 @@ export class AssetServiceClient {
     // 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;
@@ -576,6 +582,7 @@ export class AssetServiceClient {
       return this.assetServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-asset/src/v1p5beta1/asset_service_client.ts b/packages/google-cloud-asset/src/v1p5beta1/asset_service_client.ts
index b4a12952a22..b3bafc68aa2 100644
--- a/packages/google-cloud-asset/src/v1p5beta1/asset_service_client.ts
+++ b/packages/google-cloud-asset/src/v1p5beta1/asset_service_client.ts
@@ -131,6 +131,12 @@ export class AssetServiceClient {
     // 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;