diff --git a/modules/openstack_project/manifests/lists.pp b/modules/openstack_project/manifests/lists.pp
index d5467646e2..91c20b0fa7 100644
--- a/modules/openstack_project/manifests/lists.pp
+++ b/modules/openstack_project/manifests/lists.pp
@@ -230,14 +230,6 @@ class openstack_project::lists(
     description => 'Discussions of the OpenStack Foundation Core Definition Committee',
   }
 
-  mailman_list { 'interop-wg@openstack':
-    require     => Mailman::Site['openstack'],
-    ensure      => present,
-    admin       => 'chris@openstack.org',
-    password    => $listpassword,
-    description => 'Discussions of the OpenStack Foundation Board Interoperability Working Group',
-  }
-
   mailman_list { 'ambassadors@openstack':
     require     => Mailman::Site['openstack'],
     ensure      => present,
diff --git a/playbooks/host_vars/lists.openstack.org.yaml b/playbooks/host_vars/lists.openstack.org.yaml
index e2678dc37f..6604c5f449 100644
--- a/playbooks/host_vars/lists.openstack.org.yaml
+++ b/playbooks/host_vars/lists.openstack.org.yaml
@@ -2,6 +2,7 @@ mm_domains: 'lists.openstack.org:lists.zuul-ci.org:lists.airshipit.org:lists.sta
 exim_local_domains: "@:{{ mm_domains }}"
 exim_aliases:
   root: "{{ ','.join(listadmins|default([])) }}"
+  interop-wg: openstack-discuss
   openstack: openstack-discuss
   openstack-dev: openstack-discuss
   openstack-operators: openstack-discuss