diff --git a/packages/google-api-serviceusage/test/gapic_service_usage_v1.ts b/packages/google-api-serviceusage/test/gapic_service_usage_v1.ts
index 1d437750bf4..3a028e018a4 100644
--- a/packages/google-api-serviceusage/test/gapic_service_usage_v1.ts
+++ b/packages/google-api-serviceusage/test/gapic_service_usage_v1.ts
@@ -360,7 +360,6 @@ describe('v1.ServiceUsageClient', () => {
         new protos.google.api.serviceusage.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);
@@ -487,7 +486,6 @@ describe('v1.ServiceUsageClient', () => {
         new protos.google.api.serviceusage.v1.BatchGetServicesRequest()
       );
       request.parent = '';
-      const expectedHeaderRequestParams = 'parent=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(client.batchGetServices(request), expectedError);
diff --git a/packages/google-api-serviceusage/test/gapic_service_usage_v1beta1.ts b/packages/google-api-serviceusage/test/gapic_service_usage_v1beta1.ts
index 0ac393c853c..dfc4627ed48 100644
--- a/packages/google-api-serviceusage/test/gapic_service_usage_v1beta1.ts
+++ b/packages/google-api-serviceusage/test/gapic_service_usage_v1beta1.ts
@@ -369,7 +369,6 @@ describe('v1beta1.ServiceUsageClient', () => {
         new protos.google.api.serviceusage.v1beta1.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);
@@ -501,7 +500,6 @@ describe('v1beta1.ServiceUsageClient', () => {
         new protos.google.api.serviceusage.v1beta1.GetConsumerQuotaMetricRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(
@@ -635,7 +633,6 @@ describe('v1beta1.ServiceUsageClient', () => {
         new protos.google.api.serviceusage.v1beta1.GetConsumerQuotaLimitRequest()
       );
       request.name = '';
-      const expectedHeaderRequestParams = 'name=';
       const expectedError = new Error('The client has already been closed.');
       client.close();
       await assert.rejects(