Buddypress Disable Registration

yzc_disable_bp_registration.php

<?php

/**
 * Disable Registration Buddypress
 */

add_action( 'bp_loaded', 'yzc_disable_bp_registration' );

function yzc_disable_bp_registration() {
    remove_action( 'bp_init', 'bp_core_wpsignup_redirect' );
    remove_action( 'bp_screens', 'bp_core_screen_signup' );
}

/**
 * Disable Registeration Page Redirect.
 */
add_filter( 'bp_get_signup_page', 'yzc_redirect_bp_signup_page' );

function yzc_redirect_bp_signup_page($page ){
    return bp_get_root_domain() . '/wp-login.php?action=register'; 
}