diff --git a/roles/multi-node-known-hosts/tasks/main.yaml b/roles/multi-node-known-hosts/tasks/main.yaml
index 077431b40..4f7b7cf8b 100644
--- a/roles/multi-node-known-hosts/tasks/main.yaml
+++ b/roles/multi-node-known-hosts/tasks/main.yaml
@@ -2,14 +2,6 @@
   generate_all_known_hosts:
     hostvars: "{{ hostvars }}"
 
-- name: add known_host record for every public key of every other ip, hostname for ansible_user
-  known_hosts:
-    name: "{{ zj_known_host.name }}"
-    key: "{{ zj_known_host.key }}"
-  with_items: "{{ ansible_facts.all_known_hosts }}"
-  loop_control:
-    loop_var: zj_known_host
-
 - name: add default known_host record for every user
   become: true
   known_hosts:
diff --git a/test-playbooks/multinode/multi-node-known-hosts.yaml b/test-playbooks/multinode/multi-node-known-hosts.yaml
index 197bdffc2..cc19aa6bc 100644
--- a/test-playbooks/multinode/multi-node-known-hosts.yaml
+++ b/test-playbooks/multinode/multi-node-known-hosts.yaml
@@ -4,7 +4,7 @@
     - multi-node-known-hosts
   post_tasks:
     - name: lookup known_hosts file
-      command: cat ~/.ssh/known_hosts
+      command: cat /etc/ssh/ssh_known_hosts
       register: known_hosts
 
     - name: Set up host addresses