diff --git a/callback_demo.yml b/callback_demo.yml
index 9fd1ea2..8aa8423 100644
--- a/callback_demo.yml
+++ b/callback_demo.yml
@@ -23,7 +23,7 @@
 
     - name: Get some infos
       ansible.builtin.shell:
-        cmd: "hostname && ls -ltra && tree && find ."
+        cmd: "hostname && ls -ltra && find ."
       changed_when: false
       register: r_some_info