PM Pro pmpro_format_price

function remove_pmpro_format_price(){ //Have to do it after theme setup, because child theme functions are loaded first
    if( class_exists('RTM_EDD_Customization' ) ){
        remove_filter( 'pmpro_format_price', array( RTM_EDD_Customization::instance(), 'rtm_pmpro_format_price' ), 10, 4 );
    }
}
add_action( 'init', 'remove_pmpro_format_price' );