diff --git a/inventories/chaosknoten/group_vars/all.yaml b/inventories/chaosknoten/group_vars/all.yaml
deleted file mode 100644
index d6cd2ce..0000000
--- a/inventories/chaosknoten/group_vars/all.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
-# ansible_pull
-# ansible_pull__age_private_key needs to be defined per host (probably HOST.sops.yaml).
-ansible_pull__repo_url: https://git.hamburg.ccc.de/CCCHH/ansible-infra.git
-ansible_pull__inventory: inventories/chaosknoten
-ansible_pull__playbook: playbooks/maintenance.yaml
-ansible_pull__timer_on_calendar: "*-*-* 04:00:00 Europe/Berlin"
-ansible_pull__timer_randomized_delay_sec: 30min
diff --git a/inventories/chaosknoten/host_vars/netbox.yaml b/inventories/chaosknoten/host_vars/netbox.yaml
index 4726885..d8da335 100644
--- a/inventories/chaosknoten/host_vars/netbox.yaml
+++ b/inventories/chaosknoten/host_vars/netbox.yaml
@@ -1,3 +1,10 @@
+ansible_pull__repo_url: https://git.hamburg.ccc.de/CCCHH/ansible-infra.git
+ansible_pull__inventory: inventories/chaosknoten
+ansible_pull__playbook: playbooks/maintenance.yaml
+ansible_pull__timer_on_calendar: "*-*-* 04:00:00 Europe/Berlin"
+ansible_pull__timer_randomized_delay_sec: 30min
+ansible_pull__checkout: ansible_pull
+
 netbox__version: "v4.1.7"
 netbox__config: "{{ lookup('ansible.builtin.template', 'resources/chaosknoten/netbox/netbox/configuration.py.j2') }}"
 netbox__custom_pipeline_oidc_group_and_role_mapping: true
diff --git a/inventories/z9/hosts.yaml b/inventories/z9/hosts.yaml
index c9501ce..4d847bf 100644
--- a/inventories/z9/hosts.yaml
+++ b/inventories/z9/hosts.yaml
@@ -43,5 +43,3 @@ ola_hosts:
 proxmox_vm_template_hosts:
   hosts:
     thinkcccore0:
-ansible_pull_hosts:
-  hosts:
diff --git a/roles/ansible_pull/README.md b/roles/ansible_pull/README.md
index f31c552..a7e3dc7 100644
--- a/roles/ansible_pull/README.md
+++ b/roles/ansible_pull/README.md
@@ -19,3 +19,5 @@ Should work on Debian-based distributions.
 - `ansible_pull__user`: The user to run `ansible_pull` as. Defaults to `ansible_user`.
 - `ansible_pull__checkout`: The branch/tag/commit to check out to run the playbook from. Defaults to `main`.
 - `ansible_pull__timer_randomized_delay_sec`: The timer will be randomly delayed by a value between 0 and this. Useful to not have all timers fire at the same time, even if `ansible_pull__timer_on_calendar` is the same. Time value in seconds. Defaults to 0.
+
+## Links & Resources