diff --git a/scripts/backup b/scripts/backup
index 11620a2..ebd618e 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -31,7 +31,6 @@ app=$YNH_APP_INSTANCE_NAME
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
-datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
diff --git a/scripts/install b/scripts/install
index bdc9c26..73cd57b 100755
--- a/scripts/install
+++ b/scripts/install
@@ -26,11 +26,8 @@ ynh_abort_if_errors
 
 domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
-admin=$YNH_APP_ARG_ADMIN
 is_public=$YNH_APP_ARG_IS_PUBLIC
 language=$YNH_APP_ARG_LANGUAGE
-password=$YNH_APP_ARG_PASSWORD
-email=$(ynh_user_get_info --username=$admin --key=mail)
 timezone="$(cat /etc/timezone)"
 
 app=$YNH_APP_INSTANCE_NAME
@@ -53,7 +50,6 @@ ynh_script_progression --message="Storing installation settings..." --time --wei
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
-ynh_app_setting_set --app=$app --key=admin --value=$admin
 ynh_app_setting_set --app=$app --key=language --value=$language
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 54ebd9b..aa74545 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -32,7 +32,6 @@ domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
-datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
diff --git a/scripts/upgrade b/scripts/upgrade
index f5247cf..63d712b 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -18,10 +18,8 @@ app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
-admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 language=$(ynh_app_setting_get --app=$app --key=language)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 
 #=================================================
 # CHECK VERSION