diff --git a/required.php b/required.php
index c67229f..6753401 100644
--- a/required.php
+++ b/required.php
@@ -132,16 +132,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     define("GET", true);
 }
 
-/**
- * @deprecated
- * Checks if a string or whatever is empty.
- * @param $str The thingy to check
- * @return boolean True if it's empty or whatever.
- */
-function is_empty($str) {
-    return (is_null($str) || !isset($str) || $str == '');
-}
-
 
 function dieifnotloggedin() {
     if ($_SESSION['loggedin'] != true) {
@@ -166,38 +156,6 @@ function checkDBError($specials = []) {
     }
 }
 
-/*
- * http://stackoverflow.com/a/20075147
- */
-if (!function_exists('base_url')) {
-
-    function base_url($atRoot = FALSE, $atCore = FALSE, $parse = FALSE) {
-        if (isset($_SERVER['HTTP_HOST'])) {
-            $http = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http';
-            $hostname = $_SERVER['HTTP_HOST'];
-            $dir = str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
-
-            $core = preg_split('@/@', str_replace($_SERVER['DOCUMENT_ROOT'], '', realpath(dirname(__FILE__))), NULL, PREG_SPLIT_NO_EMPTY);
-            $core = $core[0];
-
-            $tmplt = $atRoot ? ($atCore ? "%s://%s/%s/" : "%s://%s/") : ($atCore ? "%s://%s/%s/" : "%s://%s%s");
-            $end = $atRoot ? ($atCore ? $core : $hostname) : ($atCore ? $core : $dir);
-            $base_url = sprintf($tmplt, $http, $hostname, $end);
-        } else
-            $base_url = 'http://localhost/';
-
-        if ($parse) {
-            $base_url = parse_url($base_url);
-            if (isset($base_url['path']))
-                if ($base_url['path'] == '/')
-                    $base_url['path'] = '';
-        }
-
-        return $base_url;
-    }
-
-}
-
 function redirectIfNotLoggedIn() {
     if ($_SESSION['loggedin'] !== TRUE) {
         header('Location: ' . URL . '/index.php');