diff --git a/scripts/_common.sh b/scripts/_common.sh
index 70d3579..d247c7f 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,7 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies="redis redis-tools redis-server postgresql postgresql-contrib nginx python3-venv libpq-dev"
+pkg_dependencies="postgresql postgresql-contrib nginx python3-venv libpq-dev"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/upgrade b/scripts/upgrade
index 6b56f59..f941db4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,9 +21,9 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 language=$(ynh_app_setting_get --app=$app --key=language)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-db_user=$(ynh_app_setting_get --app=$app --key=db_user)
-db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
+#db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+#db_user=$(ynh_app_setting_get --app=$app --key=db_user)
+#db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
 port=$(ynh_app_setting_get --app=$app --key=port)
 
 admin_mail=$(ynh_user_get_info --username=$admin --key=username)