Remove sticky posts from the main loop

function mtly_remove_sticky_posts_from_main_loop( $query ) {
	if( $query->is_main_query() && ! is_admin() ) {
		$query->set( 'ignore_sticky_posts', true );
	}
}

add_action( 'pre_get_posts', 'mtly_remove_sticky_posts_from_main_loop' );