diff --git a/test/gapic_applications_v1.ts b/test/gapic_applications_v1.ts
index 148f0b6..dbb6d93 100644
--- a/test/gapic_applications_v1.ts
+++ b/test/gapic_applications_v1.ts
@@ -297,7 +297,6 @@ describe('v1.ApplicationsClient', () => {
         new protos.google.appengine.v1.GetApplicationRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.getApplication(request), expectedError);
diff --git a/test/gapic_authorized_certificates_v1.ts b/test/gapic_authorized_certificates_v1.ts
index 36a461f..f45e37c 100644
--- a/test/gapic_authorized_certificates_v1.ts
+++ b/test/gapic_authorized_certificates_v1.ts
@@ -346,7 +346,6 @@ describe('v1.AuthorizedCertificatesClient', () => {
         new protos.google.appengine.v1.GetAuthorizedCertificateRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(
@@ -484,7 +483,6 @@ describe('v1.AuthorizedCertificatesClient', () => {
         new protos.google.appengine.v1.CreateAuthorizedCertificateRequest()
       );
       request.parent = '';
-      const expectedHeaderRequestParams = 'parent=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(
@@ -622,7 +620,6 @@ describe('v1.AuthorizedCertificatesClient', () => {
         new protos.google.appengine.v1.UpdateAuthorizedCertificateRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(
@@ -760,7 +757,6 @@ describe('v1.AuthorizedCertificatesClient', () => {
         new protos.google.appengine.v1.DeleteAuthorizedCertificateRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(
diff --git a/test/gapic_domain_mappings_v1.ts b/test/gapic_domain_mappings_v1.ts
index c46cf7c..913929f 100644
--- a/test/gapic_domain_mappings_v1.ts
+++ b/test/gapic_domain_mappings_v1.ts
@@ -362,7 +362,6 @@ describe('v1.DomainMappingsClient', () => {
         new protos.google.appengine.v1.GetDomainMappingRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.getDomainMapping(request), expectedError);
diff --git a/test/gapic_firewall_v1.ts b/test/gapic_firewall_v1.ts
index 2afd41f..1c45e6d 100644
--- a/test/gapic_firewall_v1.ts
+++ b/test/gapic_firewall_v1.ts
@@ -332,7 +332,6 @@ describe('v1.FirewallClient', () => {
         new protos.google.appengine.v1.BatchUpdateIngressRulesRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(
@@ -462,7 +461,6 @@ describe('v1.FirewallClient', () => {
         new protos.google.appengine.v1.CreateIngressRuleRequest()
       );
       request.parent = '';
-      const expectedHeaderRequestParams = 'parent=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.createIngressRule(request), expectedError);
@@ -589,7 +587,6 @@ describe('v1.FirewallClient', () => {
         new protos.google.appengine.v1.GetIngressRuleRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.getIngressRule(request), expectedError);
@@ -716,7 +713,6 @@ describe('v1.FirewallClient', () => {
         new protos.google.appengine.v1.UpdateIngressRuleRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.updateIngressRule(request), expectedError);
@@ -843,7 +839,6 @@ describe('v1.FirewallClient', () => {
         new protos.google.appengine.v1.DeleteIngressRuleRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.deleteIngressRule(request), expectedError);
diff --git a/test/gapic_instances_v1.ts b/test/gapic_instances_v1.ts
index 68acd57..f9a3755 100644
--- a/test/gapic_instances_v1.ts
+++ b/test/gapic_instances_v1.ts
@@ -360,7 +360,6 @@ describe('v1.InstancesClient', () => {
         new protos.google.appengine.v1.GetInstanceRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.getInstance(request), expectedError);
diff --git a/test/gapic_services_v1.ts b/test/gapic_services_v1.ts
index 6ef135d..7cd69f4 100644
--- a/test/gapic_services_v1.ts
+++ b/test/gapic_services_v1.ts
@@ -360,7 +360,6 @@ describe('v1.ServicesClient', () => {
         new protos.google.appengine.v1.GetServiceRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.getService(request), expectedError);
diff --git a/test/gapic_versions_v1.ts b/test/gapic_versions_v1.ts
index 8cf6239..2b3029f 100644
--- a/test/gapic_versions_v1.ts
+++ b/test/gapic_versions_v1.ts
@@ -360,7 +360,6 @@ describe('v1.VersionsClient', () => {
         new protos.google.appengine.v1.GetVersionRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.getVersion(request), expectedError);