diff --git a/functions.php b/functions.php
deleted file mode 100644
index cf6fe58..0000000
--- a/functions.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php 
-  // Darken or lighten a hex code
-  // Full credit goes to: https://stackoverflow.com/a/11951022
-  function adjustBrightness($hex, $steps) {
-    // Steps should be between -255 and 255. Negative = darker, positive = lighter
-    $steps = max(-255, min(255, $steps));
-
-    // Normalize into a six character long hex string
-    $hex = str_replace('#', '', $hex);
-    if (strlen($hex) == 3) {
-        $hex = str_repeat(substr($hex,0,1), 2).str_repeat(substr($hex,1,1), 2).str_repeat(substr($hex,2,1), 2);
-    }
-
-    // Split into three parts: R, G and B
-    $color_parts = str_split($hex, 2);
-    $return = '#';
-
-    foreach ($color_parts as $color) {
-        $color   = hexdec($color); // Convert to decimal
-        $color   = max(0,min(255,$color + $steps)); // Adjust color
-        $return .= str_pad(dechex($color), 2, '0', STR_PAD_LEFT); // Make two char hex code
-    }
-
-    return $return;
-  }
-?>
\ No newline at end of file