There is a filter you can use. For instance, I have this filter I use to remove it on BuddyPress pages with modifications you should be able to get it working.
‘
/**
*
* Removes WordPress SEO Title Filter On BuddyPress Pages
*
* @version 4.0.0
* @since 4.0.0
*
*/
if ( ! function_exists( ‘myarcadetheme_remove_bp_wpseo_title’ ) && function_exists( ‘wpseo_auto_load’ ) ) {
function myarcadetheme_remove_bp_wpseo_title() {
if ( ! bp_is_blog_page() ) {
$myarcadetheme_front_end = WPSEO_Frontend::get_instance();
remove_filter( ‘pre_get_document_title’, array( $myarcadetheme_front_end, ‘title’ ), 15 );
}
}
add_action( ‘init’, ‘myarcadetheme_remove_bp_wpseo_title’ );
}’