diff --git a/group_vars/all.yml.example b/group_vars/all.yml.example
index d138603..9a039ad 100644
--- a/group_vars/all.yml.example
+++ b/group_vars/all.yml.example
@@ -1,9 +1,3 @@
-blockscout_repo: https://github.com/poanetwork/blockscout
-
-ps_host: localhost
-ps_user: myuser
-ps_password: mypass
-
 # System variables
 ansible_python_interpreter: "/usr/bin/python3"
 
diff --git a/roles/main_software/tasks/main.yml b/roles/main_software/tasks/main.yml
index 51a3337..9d3cec9 100644
--- a/roles/main_software/tasks/main.yml
+++ b/roles/main_software/tasks/main.yml
@@ -280,7 +280,7 @@
     profile: "{{ aws_profile|default(omit) }}"
     region: "{{ aws_region|default(omit) }}"
   with_dict: "{{ lower_env }}"
-  when: hostvars[groups['all'][0]].user_answer.user_input | lower | bool
+  when: hostvars[groups['all'][0]].user_answer.user_input | lower | bool and lower_env is defined
   tags:
     - update_vars