From theme options:
Help – https://help.wprentals.org/article/1-30-how-to-manage-submit-form-fields-and-mandatory-fields/
From Custom CSS
[for="city_fee"] { display: none; } [id="city_fee"] { display: none; } [for="city_fee_per_day"] { display: none; } [id="city_fee_per_day"] { display: none!important; } [for="city_fee_percent"] { display: none!important; } [id="city_fee_percent"] { display: none; }