diff --git a/etc/kayobe/environments/ci-aio/stackhpc-ci.yml b/etc/kayobe/environments/ci-aio/stackhpc-ci.yml
index 2d51987a8c..8236d87ff4 100644
--- a/etc/kayobe/environments/ci-aio/stackhpc-ci.yml
+++ b/etc/kayobe/environments/ci-aio/stackhpc-ci.yml
@@ -8,13 +8,6 @@ kolla_docker_namespace: stackhpc-dev
 # Disable some services to reduce memory footprint.
 kolla_enable_heat: false
 
-###############################################################################
-# Network configuration.
-
-# Don't touch resolv.conf: use Neutron DNS for accessing Pulp server via
-# hostname.
-resolv_is_managed: false
-
 ###############################################################################
 # StackHPC configuration.
 
diff --git a/etc/kayobe/environments/ci-builder/stackhpc-ci.yml b/etc/kayobe/environments/ci-builder/stackhpc-ci.yml
index e17ccf69c4..868668e33c 100644
--- a/etc/kayobe/environments/ci-builder/stackhpc-ci.yml
+++ b/etc/kayobe/environments/ci-builder/stackhpc-ci.yml
@@ -30,13 +30,6 @@ kolla_enable_prometheus: true
 kolla_enable_redis: true
 kolla_enable_skydive: true
 
-###############################################################################
-# Network configuration.
-
-# Don't touch resolv.conf: use Neutron DNS for accessing Pulp server via
-# hostname.
-resolv_is_managed: false
-
 ###############################################################################
 # StackHPC configuration.
 
diff --git a/etc/kayobe/environments/ci-multinode/stackhpc-ci.yml b/etc/kayobe/environments/ci-multinode/stackhpc-ci.yml
index b37db2ee7b..cdb6eb8109 100644
--- a/etc/kayobe/environments/ci-multinode/stackhpc-ci.yml
+++ b/etc/kayobe/environments/ci-multinode/stackhpc-ci.yml
@@ -5,13 +5,6 @@
 # Docker namespace to use for Kolla images. Default is 'kolla'.
 kolla_docker_namespace: stackhpc-dev
 
-###############################################################################
-# Network configuration.
-
-# Don't touch resolv.conf: use Neutron DNS for accessing Pulp server via
-# hostname.
-resolv_is_managed: false
-
 ###############################################################################
 # StackHPC configuration.