diff --git a/app/models/spree/order.rb b/app/models/spree/order.rb
index 70604b5690..cd3179e5e3 100644
--- a/app/models/spree/order.rb
+++ b/app/models/spree/order.rb
@@ -365,13 +365,6 @@ module Spree
       )
     end
 
-    def deliver_order_confirmation_email
-      return if subscription.present?
-
-      Spree::OrderMailer.confirm_email_for_customer(id).deliver_later(wait: 10.seconds)
-      Spree::OrderMailer.confirm_email_for_shop(id).deliver_later(wait: 10.seconds)
-    end
-
     # Helper methods for checkout steps
     def paid?
       payment_state == 'paid' || payment_state == 'credit_owed'
@@ -618,6 +611,13 @@ module Spree
 
     private
 
+    def deliver_order_confirmation_email
+      return if subscription.present?
+
+      Spree::OrderMailer.confirm_email_for_customer(id).deliver_later(wait: 10.seconds)
+      Spree::OrderMailer.confirm_email_for_shop(id).deliver_later(wait: 10.seconds)
+    end
+
     def fee_handler
       @fee_handler ||= OrderFeesHandler.new(self)
     end
diff --git a/spec/models/spree/order_spec.rb b/spec/models/spree/order_spec.rb
index 5c250f970e..3b24adf1cc 100644
--- a/spec/models/spree/order_spec.rb
+++ b/spec/models/spree/order_spec.rb
@@ -935,7 +935,7 @@ describe Spree::Order do
       expect(Spree::OrderMailer).to receive(:confirm_email_for_customer).and_return(mailer)
       expect(Spree::OrderMailer).to receive(:confirm_email_for_shop).and_return(mailer)
 
-      order.deliver_order_confirmation_email
+      order.__send__(:deliver_order_confirmation_email)
     end
 
     it "does not send confirmation emails when the order belongs to a subscription" do
@@ -944,7 +944,7 @@ describe Spree::Order do
       expect(Spree::OrderMailer).not_to receive(:confirm_email_for_customer)
       expect(Spree::OrderMailer).not_to receive(:confirm_email_for_shop)
 
-      order.deliver_order_confirmation_email
+      order.__send__(:deliver_order_confirmation_email)
     end
   end