diff --git a/core/util.inc.php b/core/util.inc.php
index 5f52d6fb..fdf97a31 100644
--- a/core/util.inc.php
+++ b/core/util.inc.php
@@ -339,27 +339,6 @@ function make_form($target, $method="POST", $multipart=False, $form_id="", $onsu
 	return '<form action="'.$target.'" method="'.$method.'" '.$extra.'>'.$auth;
 }
 
-/**
- * Make a link to a static file in the current theme's
- * directory
- */
-function theme_file($filepath) {
-	global $config;
-	$theme = $config->get_string("theme","default");
-	return make_link('themes/'.$theme.'/'.$filepath);
-}
-
-
-function hsl_rainbow() {
-	$ct = Array();
-	$s = 100; $l = 25; for($h= 0; $h<360; $h+=60) {$ct[] = "hsl($h, $s%, $l%);";}
-	$s = 100; $l = 50; for($h= 0; $h<360; $h+=60) {$ct[] = "hsl($h, $s%, $l%);";}
-	$s =  50; $l = 25; for($h= 0; $h<360; $h+=60) {$ct[] = "hsl($h, $s%, $l%);";}
-	$s = 100; $l = 25; for($h=30; $h<360; $h+=60) {$ct[] = "hsl($h, $s%, $l%);";}
-	$s = 100; $l = 50; for($h=30; $h<360; $h+=60) {$ct[] = "hsl($h, $s%, $l%);";}
-	$s =  50; $l = 25; for($h=30; $h<360; $h+=60) {$ct[] = "hsl($h, $s%, $l%);";}
-	return $ct;
-}
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 * CAPTCHA abstraction                                                       *
@@ -864,23 +843,6 @@ function full_copy($source, $target) {
 	}
 }
 
-/**
- * @private
- */
-function weighted_random($weights) {
-	$total = 0;
-	foreach($weights as $k => $w) {
-		$total += $w;
-	}
-
-	$r = mt_rand(0, $total);
-	foreach($weights as $k => $w) {
-		$r -= $w;
-		if($r <= 0) {
-			return $k;
-		}
-	}
-}
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 * Event API                                                                 *