diff --git a/src/JsonSchema/JsonSchema.php b/src/JsonSchema/JsonSchema.php
index fa9de02..08128cd 100644
--- a/src/JsonSchema/JsonSchema.php
+++ b/src/JsonSchema/JsonSchema.php
@@ -429,98 +429,3 @@ class JsonSchema {
   }
 }
 
-class Dbg {
-
-  static public $quietMode = false;
-
-  static function includeJqueryJs() {
-    echo "<script type='text/javascript' src='/js/jquery.js'></script>";
-  }
-
-  static function func($print = true, $numStackSteps = 1) {
-  	$ar = debug_backtrace();
-  	$ret = '';
-
-  	for($a = $numStackSteps; $a >= 1; $a--) {
-  	  $line = $ar[$a-1]['line'];
-  	  $step = $ar[$a];
-  	  $ret .= str_repeat('&nbsp;&nbsp;&nbsp;',$a).self::showStep($step,$print,$line);
-  	}
-  	if($print && !self::$quietMode) echo $ret;
-  	return $ret;
-  }
-
-  static function mark($title,$print = true) {
-  	$ar = debug_backtrace();
-  	$ret = '';
-  	$line = $ar[0]['line'];
-  	$ret = "[MARK]".$title.'(line '.$line.')<br/>';
-  	if($print && !self::$quietMode) echo $ret;
-  	return $ret;
-  }
-
-  static function object($object,$linkTitle = 'object',$varDump = false,$print = true) {
-  	static $divCount = 0;
-  	$divCount++;
-  	$ar = debug_backtrace();
-  	$ret = '';
-  	$line = $ar[0]['line'];
-  	$ret = '[OBJECT]<a href="javascript:void(0);" onclick="$(\'#div-obj-'.$divCount.'\').toggle()">'.$linkTitle.'</a>';
-  	$ret .= '(line '.$line.')<br/>';
-  	$ret .= '<div id=\'div-obj-'.$divCount.'\' style="display:none;">';
-  	if($varDump) {
-  	  ob_start();
-  	  var_dump($object);
-  	  $ret .= ob_get_clean();
-  	}
-  	else {
-  	  $ret .= print_r($object,true);
-  	}
-  	$ret .= '</div>';
-  	if($print && !self::$quietMode) echo $ret;
-  	return $ret;
-  }
-
-  static function showStep($step,$print,$line) {
-  	static $divCount = 0;
-    $ret = '[STEP]'.$step['class'] . $step['type'] . $step['function'];
-  	if(count($step['args'])) {
-  	  $ret .= '(';
-  	  $comma = '';
-  	  $exp = array();
-  	  foreach($step['args'] as $num=>$arg) {
-  	  	$divCount++;
-  	  	if(in_array(gettype($arg),array('object','array'))) {
-  	  	  if(is_object($arg)) {
-  	  	    $type = get_class($arg);
-  	  	  }
-  	  	  else {
-  	  	  	$type = gettype($arg);
-  	  	  }
-  	  	  $argVal = '<a href="javascript:void(0);" onclick="$(\'#div-step-'.$divCount.'\').toggle()">click to see</a>';
-  	  	  $exp[] =
-  	  	    '<div id=\'div-step-'.$divCount.'\' style="display:none;">'
-  	  	    .print_r($arg,true)
-  	  	    .'</div>';
-  	  	}
-  	  	else {
-  	  	  $type = gettype($arg);
-  	  	  if($type == 'string') {
-  	  	    $argVal = "'".$arg."'";
-  	  	  }
-  	  	  else {
-  	  	  	$argVal = $arg;
-  	  	  }
-  	  	  $argVal = '<font style="color:#060">'.$argVal.'</font>';
-  	  	}
-  	  	$ret .= $comma.' <i>' . $type . "</i> " . $argVal;
-  	  	$comma = ',';
-  	  }
-  	  $ret .= ')  (line '.$line.')<br/>';
-  	  foreach($exp as $text) {
-  	  	$ret .= '<pre>' . $text . '</pre>';
-  	  }
-  	}
-  	return $ret;
-  }
-}