diff --git a/services/preview/storage/mgmt/2015-05-01-preview/storage/accounts.go b/services/preview/storage/mgmt/2015-05-01-preview/storage/accounts.go
index 334aa2761510..f52712c14420 100644
--- a/services/preview/storage/mgmt/2015-05-01-preview/storage/accounts.go
+++ b/services/preview/storage/mgmt/2015-05-01-preview/storage/accounts.go
@@ -101,8 +101,7 @@ func (client AccountsClient) CheckNameAvailabilityPreparer(ctx context.Context,
 // CheckNameAvailabilitySender sends the CheckNameAvailability request. The method will close the
 // http.Response Body if it receives an error.
 func (client AccountsClient) CheckNameAvailabilitySender(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))
 }
 
 // CheckNameAvailabilityResponder handles the response to the CheckNameAvailability request. The method always
@@ -178,9 +177,8 @@ func (client AccountsClient) CreatePreparer(ctx context.Context, resourceGroupNa
 // CreateSender sends the Create request. The method will close the
 // http.Response Body if it receives an error.
 func (client AccountsClient) CreateSender(req *http.Request) (future AccountsCreateFuture, err error) {
-	sd := autorest.GetSendDecorators(req.Context(), azure.DoRetryWithRegistration(client.Client))
 	var resp *http.Response
-	resp, err = autorest.SendWithSender(client, req, sd...)
+	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
 	if err != nil {
 		return
 	}
@@ -262,8 +260,7 @@ func (client AccountsClient) DeletePreparer(ctx context.Context, resourceGroupNa
 // DeleteSender sends the Delete request. The method will close the
 // http.Response Body if it receives an error.
 func (client AccountsClient) DeleteSender(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))
 }
 
 // DeleteResponder handles the response to the Delete request. The method always
@@ -340,8 +337,7 @@ func (client AccountsClient) GetPropertiesPreparer(ctx context.Context, resource
 // GetPropertiesSender sends the GetProperties request. The method will close the
 // http.Response Body if it receives an error.
 func (client AccountsClient) GetPropertiesSender(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))
 }
 
 // GetPropertiesResponder handles the response to the GetProperties request. The method always
@@ -414,8 +410,7 @@ func (client AccountsClient) ListPreparer(ctx context.Context) (*http.Request, e
 // ListSender sends the List request. The method will close the
 // http.Response Body if it receives an error.
 func (client AccountsClient) 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
@@ -528,8 +523,7 @@ func (client AccountsClient) ListByResourceGroupPreparer(ctx context.Context, re
 // ListByResourceGroupSender sends the ListByResourceGroup request. The method will close the
 // http.Response Body if it receives an error.
 func (client AccountsClient) ListByResourceGroupSender(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))
 }
 
 // ListByResourceGroupResponder handles the response to the ListByResourceGroup request. The method always
@@ -642,8 +636,7 @@ func (client AccountsClient) ListKeysPreparer(ctx context.Context, resourceGroup
 // ListKeysSender sends the ListKeys request. The method will close the
 // http.Response Body if it receives an error.
 func (client AccountsClient) ListKeysSender(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))
 }
 
 // ListKeysResponder handles the response to the ListKeys request. The method always
@@ -723,8 +716,7 @@ func (client AccountsClient) RegenerateKeyPreparer(ctx context.Context, resource
 // RegenerateKeySender sends the RegenerateKey request. The method will close the
 // http.Response Body if it receives an error.
 func (client AccountsClient) RegenerateKeySender(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))
 }
 
 // RegenerateKeyResponder handles the response to the RegenerateKey request. The method always
@@ -810,8 +802,7 @@ func (client AccountsClient) UpdatePreparer(ctx context.Context, resourceGroupNa
 // UpdateSender sends the Update request. The method will close the
 // http.Response Body if it receives an error.
 func (client AccountsClient) UpdateSender(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))
 }
 
 // UpdateResponder handles the response to the Update request. The method always
diff --git a/services/preview/storage/mgmt/2015-05-01-preview/storage/usage.go b/services/preview/storage/mgmt/2015-05-01-preview/storage/usage.go
index c4e6bd2c323c..ae5c500e8543 100644
--- a/services/preview/storage/mgmt/2015-05-01-preview/storage/usage.go
+++ b/services/preview/storage/mgmt/2015-05-01-preview/storage/usage.go
@@ -96,8 +96,7 @@ func (client UsageClient) ListPreparer(ctx context.Context) (*http.Request, erro
 // ListSender sends the List request. The method will close the
 // http.Response Body if it receives an error.
 func (client UsageClient) 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