diff --git a/roles/docker/files/daemon.json b/roles/docker/files/daemon.json
index 96fa947..60057bd 100644
--- a/roles/docker/files/daemon.json
+++ b/roles/docker/files/daemon.json
@@ -1,7 +1,5 @@
 {
   "log-driver": "journald",
-  "ipv6": true,
-  "fixed-cidr-v6": "fd00:d0ce:d0ce:d0ce::/64",
   "dns": [
     "46.182.19.48",
     "74.82.42.42"
diff --git a/roles/docker/tasks/config.yml b/roles/docker/tasks/config.yml
index a402aca..bc8fddc 100644
--- a/roles/docker/tasks/config.yml
+++ b/roles/docker/tasks/config.yml
@@ -1,7 +1,4 @@
 ---
-- name: Add IPv6 NAT iptables rules
-  shell: ip6tables -t nat -A POSTROUTING -s fd00:d0ce:d0ce:d0ce::/64 -j MASQUERADE && ip6tables-save > /etc/iptables/rules.v6
-
 - name: add docker configuration
   copy:
     dest: /etc/docker/daemon.json
diff --git a/roles/docker/tasks/packages.yml b/roles/docker/tasks/packages.yml
index 5bf324a..427190e 100644
--- a/roles/docker/tasks/packages.yml
+++ b/roles/docker/tasks/packages.yml
@@ -19,8 +19,3 @@
     name: docker-ce
     update_cache: yes
     state: present
-
-- name: install iptables-persistent
-  apt:
-    name: iptables-persistent
-    state: present