diff --git a/group_vars/postgres01/plain.yml b/group_vars/postgres01/plain.yml
index 29c3ba9..75d4ee6 100644
--- a/group_vars/postgres01/plain.yml
+++ b/group_vars/postgres01/plain.yml
@@ -11,6 +11,3 @@ shared_service_pg_slave_ip: "{{ stage_server_infos
   | list
   | first
   | default('-') }}"
-
-shared_service_postgres_01_hostname: "{{ stage }}-postgres-01"
-shared_service_postgres_02_hostname: "{{ stage }}-postgres-02"
diff --git a/group_vars/postgres02/plain.yml b/group_vars/postgres02/plain.yml
index 3d594a0..4361962 100644
--- a/group_vars/postgres02/plain.yml
+++ b/group_vars/postgres02/plain.yml
@@ -12,7 +12,4 @@ shared_service_pg_slave_ip: "{{ stage_server_infos
   | first
   | default('-') }}"
 
-shared_service_postgres_01_hostname: "{{ stage }}-postgres02-01"
-shared_service_postgres_02_hostname: "{{ stage }}-postgres02-02"
-
 lvm_volume_encryption: true