diff --git a/lib/send_grid/mail_interceptor.rb b/lib/send_grid/mail_interceptor.rb
index 9a3aa79..acbecda 100644
--- a/lib/send_grid/mail_interceptor.rb
+++ b/lib/send_grid/mail_interceptor.rb
@@ -2,11 +2,7 @@ module SendGrid
   class MailInterceptor
     def self.delivering_email(mail)
       sendgrid_header = mail.instance_variable_get(:@sendgrid_header)
-      sendgrid_header.add_recipients(mail.to)
-      sendgrid_header.add_recipients(mail.cc)
-      sendgrid_header.add_recipients(mail.bcc)
       mail.header['X-SMTPAPI'] = sendgrid_header.to_json if sendgrid_header.data.present?
-      mail.header['to'] = SendGrid.config.dummy_recipient
     end
   end
 end