diff --git a/include/datetime.php b/include/datetime.php
index a917accc1d..e69de29bb2 100644
--- a/include/datetime.php
+++ b/include/datetime.php
@@ -1,49 +0,0 @@
-<?php
-/**
- * @file include/datetime.php
- * @brief Some functions for date and time related tasks.
- */
-
-use Friendica\Model\Contact;
-use Friendica\Util\Temporal;
-
-function dob($dob) {
-	return Temporal::getDateofBirthField($dob);
-}
-
-function datesel($min, $max, $default, $id = 'datepicker') {
-	return Temporal::getDateField($min, $max, $default, $id);
-}
-
-function timesel($h, $m, $id = 'timepicker') {
-	return Temporal::getTimeField($h, $m, $id);
-}
-
-function datetimesel($min, $max, $default, $label, $id = 'datetimepicker', $pickdate = true, $picktime = true, $minfrom = '', $maxfrom = '', $required = false) {
-	return Temporal::getDateTimeField($min, $max, $default, $label, $id, $pickdate, $picktime, $minfrom, $maxfrom, $required);
-}
-
-function relative_date($posted_date, $format = null) {
-	return Temporal::getRelativeDate($posted_date, $format);
-}
-
-function age($dob, $owner_tz = '', $viewer_tz = '') {
-	return Temporal::getAgeByTimezone($dob, $owner_tz, $viewer_tz);
-}
-
-function get_dim($y, $m) {
-	return Temporal::getDaysInMonth($y, $m);
-}
-
-function get_first_dim($y,$m) {
-	return Temporal::getFirstDayInMonth($y, $m);
-}
-
-function cal($y = 0, $m = 0, $links = null, $class = '')
-{
-	return Temporal::getCalendarTable($y, $m, $links, $class);
-}
-
-function update_contact_birthdays() {
-	return Contact::updateBirthdays();
-}