diff --git a/services/preview/billing/mgmt/2017-04-24-preview/billing/invoices.go b/services/preview/billing/mgmt/2017-04-24-preview/billing/invoices.go
index 7455aa033059..a9058939e967 100644
--- a/services/preview/billing/mgmt/2017-04-24-preview/billing/invoices.go
+++ b/services/preview/billing/mgmt/2017-04-24-preview/billing/invoices.go
@@ -103,8 +103,7 @@ func (client InvoicesClient) GetPreparer(ctx context.Context, invoiceName string
 // GetSender sends the Get request. The method will close the
 // http.Response Body if it receives an error.
 func (client InvoicesClient) GetSender(req *http.Request) (*http.Response, error) {
-	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
-	return autorest.SendWithSender(client, req, sd...)
+	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
 }
 
 // GetResponder handles the response to the Get request. The method always
@@ -176,8 +175,7 @@ func (client InvoicesClient) GetLatestPreparer(ctx context.Context) (*http.Reque
 // GetLatestSender sends the GetLatest request. The method will close the
 // http.Response Body if it receives an error.
 func (client InvoicesClient) GetLatestSender(req *http.Request) (*http.Response, error) {
-	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
-	return autorest.SendWithSender(client, req, sd...)
+	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
 }
 
 // GetLatestResponder handles the response to the GetLatest request. The method always
@@ -282,8 +280,7 @@ func (client InvoicesClient) ListPreparer(ctx context.Context, expand string, fi
 // ListSender sends the List request. The method will close the
 // http.Response Body if it receives an error.
 func (client InvoicesClient) ListSender(req *http.Request) (*http.Response, error) {
-	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
-	return autorest.SendWithSender(client, req, sd...)
+	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
 }
 
 // ListResponder handles the response to the List request. The method always
diff --git a/services/preview/billing/mgmt/2017-04-24-preview/billing/operations.go b/services/preview/billing/mgmt/2017-04-24-preview/billing/operations.go
index 98f303eeca30..d0034bba616e 100644
--- a/services/preview/billing/mgmt/2017-04-24-preview/billing/operations.go
+++ b/services/preview/billing/mgmt/2017-04-24-preview/billing/operations.go
@@ -95,8 +95,7 @@ func (client OperationsClient) ListPreparer(ctx context.Context) (*http.Request,
 // ListSender sends the List request. The method will close the
 // http.Response Body if it receives an error.
 func (client OperationsClient) ListSender(req *http.Request) (*http.Response, error) {
-	sd := autorest.GetSendDecorators(req.Context(), autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
-	return autorest.SendWithSender(client, req, sd...)
+	return client.Send(req, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
 }
 
 // ListResponder handles the response to the List request. The method always
diff --git a/services/preview/billing/mgmt/2017-04-24-preview/billing/periods.go b/services/preview/billing/mgmt/2017-04-24-preview/billing/periods.go
index 7a27d417f919..47a1205b0cad 100644
--- a/services/preview/billing/mgmt/2017-04-24-preview/billing/periods.go
+++ b/services/preview/billing/mgmt/2017-04-24-preview/billing/periods.go
@@ -102,8 +102,7 @@ func (client PeriodsClient) GetPreparer(ctx context.Context, billingPeriodName s
 // GetSender sends the Get request. The method will close the
 // http.Response Body if it receives an error.
 func (client PeriodsClient) GetSender(req *http.Request) (*http.Response, error) {
-	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
-	return autorest.SendWithSender(client, req, sd...)
+	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
 }
 
 // GetResponder handles the response to the Get request. The method always
@@ -200,8 +199,7 @@ func (client PeriodsClient) ListPreparer(ctx context.Context, filter string, ski
 // ListSender sends the List request. The method will close the
 // http.Response Body if it receives an error.
 func (client PeriodsClient) ListSender(req *http.Request) (*http.Response, error) {
-	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
-	return autorest.SendWithSender(client, req, sd...)
+	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
 }
 
 // ListResponder handles the response to the List request. The method always