diff --git a/test/suites/add.sh b/test/suites/add.sh
index aeb1dc06..2ad5d299 100644
--- a/test/suites/add.sh
+++ b/test/suites/add.sh
@@ -193,7 +193,6 @@ test_add_interactive() {
   export SETUP_ZFS="yes"
   export ZFS_FILTER="lxd_disk1"
   export ZFS_WIPE="yes"
-  export OVN_UNDERLAY_NETWORK="no"
   microcloud_interactive | lxc exec micro01 -- sh -c "microcloud add > out"
   lxc exec micro01 -- tail -1 out | grep "MicroCloud is ready" -q
 
@@ -211,7 +210,6 @@ test_add_interactive() {
   export SETUP_ZFS="no"
   export SETUP_CEPH="no"
   export SETUP_OVN="no"
-  export OVN_UNDERLAY_NETWORK="no"
 
   lxc exec micro04 -- snap disable microcloud
   microcloud_interactive | lxc exec micro01 -- sh -c "microcloud init > out"