diff --git a/nginx_templates/conf.d/default.conf.template b/nginx_templates/conf.d/default.conf.template
index 802075a..90f77d3 100644
--- a/nginx_templates/conf.d/default.conf.template
+++ b/nginx_templates/conf.d/default.conf.template
@@ -1,6 +1,5 @@
 server {
     listen 80;
-    listen [::]:80;
 
     return 301 https://$host$request_uri;
 }
diff --git a/nginx_templates/ssl_listen.conf.template b/nginx_templates/ssl_listen.conf.template
index bd12aaf..7ba9498 100644
--- a/nginx_templates/ssl_listen.conf.template
+++ b/nginx_templates/ssl_listen.conf.template
@@ -1,5 +1,4 @@
 listen 443 ssl;
-listen [::]:443 ssl;
 
 http2 on;
 
diff --git a/setup.sh b/setup.sh
index defb4df..4bf0862 100755
--- a/setup.sh
+++ b/setup.sh
@@ -107,7 +107,7 @@ function write_config()
     env "${new_vars[@]}" envsubst "$vars" < "$src" > "$temp" || { rm -f "$temp"; exit 1; }
     chmod "$mode" "$temp" || { rm -f "$temp"; exit 1; }
     chown "$owner" "$temp" || { rm -f "$temp"; exit 1; }
-    if [[ ! -f "$dest" ]] && mv -v -T "$temp" "$dest"; then
+    if mv -n -T "$temp" "$dest"; then
         return 0
     fi
     if diff -u --label="expanded $src" "$temp" "$dest"; then
diff --git a/templates/etc/docker/daemon.json b/templates/etc/docker/daemon.json
index efb9015..a442642 100644
--- a/templates/etc/docker/daemon.json
+++ b/templates/etc/docker/daemon.json
@@ -1,41 +1,3 @@
 {
-    "storage-driver": "overlay2",
-    "ipv6": true,
-    "fixed-cidr-v6": "fd57:d7e4:f221::/64",
-    "experimental": true,
-    "ip6tables": true,
-    "default-address-pools": [
-        {
-            "base": "172.17.0.0/16",
-            "size": 16
-        },
-        {
-            "base": "172.18.0.0/16",
-            "size": 16
-        },
-        {
-            "base": "172.19.0.0/16",
-            "size": 16
-        },
-        {
-            "base": "172.20.0.0/14",
-            "size": 16
-        },
-        {
-            "base": "172.24.0.0/14",
-            "size": 16
-        },
-        {
-            "base": "172.28.0.0/14",
-            "size": 16
-        },
-        {
-            "base": "fd57:d7e4:f221:1::/64",
-            "size": 64
-        },
-        {
-            "base": "fd57:d7e4:f221:2::/64",
-            "size": 64
-        }
-    ]
-}
+    "storage-driver": "overlay2"
+}
\ No newline at end of file