diff --git a/doc/ansible-roles b/doc/ansible-roles
deleted file mode 100644
index 9fe1b085..00000000
--- a/doc/ansible-roles
+++ /dev/null
@@ -1,155 +0,0 @@
-// Ansible Roles
-digraph {
-	1 [label=remark42]
-	2 [label=clean]
-	3 [label=mariadb]
-	4 [label=docker]
-	5 [label=rabbitmq]
-	6 [label=logstash]
-	7 [label=htpasswd]
-	8 [label=superset]
-	9 [label=postgres]
-	10 [label=locale]
-	11 [label=php_fpm]
-	12 [label=loki]
-	13 [label=redis]
-	14 [label=git]
-	15 [label=pgadmin]
-	16 [label=odoo_enterprise]
-	17 [label=maintenance]
-	18 [label=docker_volume]
-	19 [label=update]
-	20 [label=odoo_databases]
-	21 [label=openldap]
-	22 [label=s3cmd]
-	23 [label=odoo_patches]
-	24 [label=keycloak_client]
-	25 [label=dind]
-	26 [label=metricbeat]
-	27 [label=bigbluebutton_exporter]
-	28 [label=fail2ban]
-	29 [label=nextcloud_exporter]
-	30 [label=jenkins]
-	31 [label=fstab]
-	32 [label=keycloak]
-	33 [label=innernet_client]
-	34 [label=iam]
-	35 [label=collabora_code]
-	36 [label=cargo]
-	37 [label=postfix]
-	38 [label=elasticsearch]
-	39 [label=ufw]
-	40 [label=debug]
-	41 [label=matomo]
-	42 [label=meilisearch]
-	43 [label=docker_swarm]
-	44 [label=birt]
-	45 [label=fathom]
-	46 [label=resolv]
-	47 [label=nginx]
-	48 [label=bigbluebutton]
-	49 [label=package]
-	50 [label=docker_hosts]
-	51 [label=postgres_exporter]
-	52 [label=odoo_apps]
-	53 [label=caddy]
-	54 [label=commento]
-	55 [label=rclone]
-	56 [label=restic_server]
-	57 [label=nextcloud_apps]
-	58 [label=docker_compose]
-	59 [label=odoo]
-	60 [label=prometheus]
-	61 [label=dribdat]
-	62 [label=simple_mail_forwarder]
-	63 [label=bookstack]
-	64 [label=restic]
-	65 [label=dozzle]
-	66 [label=grafana]
-	67 [label=systemd]
-	68 [label=odoo_scripts]
-	69 [label=promtail]
-	70 [label=mysql]
-	71 [label=kibana]
-	72 [label=meilisync]
-	73 [label=innernet_server]
-	74 [label=cadvisor]
-	75 [label=gitea]
-	76 [label=coturn]
-	77 [label=mailhog]
-	78 [label=blackbox_exporter]
-	79 [label=nextcloud]
-	80 [label=onlyoffice_documentserver]
-	81 [label=vercel]
-	82 [label=moodle]
-	83 [label=nginx_waf]
-	84 [label=wordpress]
-	85 [label=docker_network]
-	86 [label=certbot]
-	87 [label=cron]
-	88 [label=node_exporter]
-	89 [label=odoo_data]
-	1 -> 85
-	3 -> 85
-	5 -> 85
-	6 -> 38
-	8 -> 85
-	9 -> 85
-	11 -> 4
-	12 -> 85
-	13 -> 85
-	15 -> 85
-	16 -> 59
-	17 -> 4
-	18 -> 4
-	20 -> 68
-	21 -> 85
-	24 -> 32
-	25 -> 85
-	26 -> 71
-	26 -> 6
-	27 -> 85
-	29 -> 85
-	30 -> 85
-	32 -> 9
-	34 -> 4
-	35 -> 79
-	37 -> 85
-	38 -> 85
-	41 -> 70
-	42 -> 4
-	43 -> 4
-	45 -> 85
-	47 -> 86
-	48 -> 9
-	50 -> 4
-	51 -> 85
-	53 -> 85
-	54 -> 9
-	56 -> 85
-	58 -> 85
-	58 -> 18
-	59 -> 9
-	60 -> 85
-	61 -> 9
-	62 -> 85
-	63 -> 70
-	66 -> 60
-	69 -> 85
-	70 -> 85
-	71 -> 38
-	72 -> 85
-	74 -> 85
-	75 -> 9
-	76 -> 85
-	77 -> 85
-	78 -> 60
-	79 -> 9
-	79 -> 3
-	80 -> 85
-	82 -> 3
-	84 -> 70
-	85 -> 4
-	86 -> 85
-	88 -> 85
-}
diff --git a/doc/ansible-roles.png b/doc/ansible-roles.png
deleted file mode 100644
index 7b679ea0..00000000
Binary files a/doc/ansible-roles.png and /dev/null differ
diff --git a/library/graph.py b/library/graph.py
deleted file mode 100644
index 580b5483..00000000
--- a/library/graph.py
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/usr/bin/env python
-
-import sys
-from graphviz import Digraph
-from glob import glob
-import yaml
-
-dot = Digraph(comment='Ansible Roles',format='png')
-
-# load all roles
-index = 0
-role_nodes = {}
-for path in glob('roles/*'):
-    role = path.split('/')[1]
-    index += 1
-    role_nodes[role] = str(index)
-    dot.node(str(index), role)
-
-# add role dependencies
-for path in glob('roles/*/meta/main.yml'):
-    role = path.split('/')[1]
-    with open(path, 'r') as file:
-        for dependency in yaml.load(file, Loader=yaml.FullLoader)['dependencies']:
-            depended_role = dependency['role']
-            dot.edge(role_nodes[role], role_nodes[depended_role])
-
-dot.render('doc/ansible-roles') 
\ No newline at end of file
diff --git a/task b/task
index c0c092fa..abe37355 100755
--- a/task
+++ b/task
@@ -25,7 +25,6 @@ function help() {
     printf "| %-${cmd_width}s | %-${opt_width}s | %-${desc_width}s |\n" "node-dev" "" "Start vuepress development server."
     printf "| %-${cmd_width}s | %-${opt_width}s | %-${desc_width}s |\n" "node-build" "" "Create vuepress build."
     printf "| %-${cmd_width}s | %-${opt_width}s | %-${desc_width}s |\n" "node-serve-build" "" "Serve vuepress build."
-    printf "| %-${cmd_width}s | %-${opt_width}s | %-${desc_width}s |\n" "update-docs" "" "Update project docs."
     printf "| %-${cmd_width}s | %-${opt_width}s | %-${desc_width}s |\n" "list-hosts" "[path]" "Lists all hosts of an inventory."
     printf "| %-${cmd_width}s | %-${opt_width}s | %-${desc_width}s |\n" "version" "" "Show tool versions."
     printf "| %-${cmd_width}s | %-${opt_width}s | %-${desc_width}s |\n" "source" "" "Source the Python virtual env."
@@ -98,7 +97,6 @@ function install() {
     activate-venv
 
     echo "Install Ansible and Python dependencies"
-    sudo apt install graphviz
     uv pip install -r requirements.txt
 
     ansible-galaxy collection install community.general
@@ -113,12 +111,6 @@ function upgrade() {
     uv pip install --upgrade ansible
 }
 
-function update-docs() {
-    activate-venv
-    python3 ./library/graph.py
-    echo "Update docs success."
-}
-
 function list-hosts() {
     if test -z "$1"; then echo "\$1 is empty"; exit; fi