diff --git a/tests/vagrant.yml b/tests/vagrant.yml
index 7011a95..6b2649a 100644
--- a/tests/vagrant.yml
+++ b/tests/vagrant.yml
@@ -6,3 +6,4 @@
   roles:
     - role: ../../
       msmtp_send_test_mail: yes
+      msmtp_remove_mtas: yes