remove my account page tab

functions.php

<?php

function gens_check_membership_level(){
	$user_id = get_current_user_id();
    	$gens_raf = WPGens_RAF::instance();
		remove_action( 'woocommerce_account_menu_items', array( $gens_raf->my_account, 'gens_account_menu_item') );
		remove_action( 'init', array( $gens_raf->my_account, 'gens_myreferral_tab'));
}
gens_check_membership_level();