diff --git a/framework/yii/logging/ProfileTarget.php b/framework/yii/logging/ProfileTarget.php
deleted file mode 100644
index be1d73d..0000000
--- a/framework/yii/logging/ProfileTarget.php
+++ /dev/null
@@ -1,192 +0,0 @@
-<?php
-/**
- * @link http://www.yiiframework.com/
- * @copyright Copyright &copy; 2008-2011 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- */
-
-/**
- * CProfileLogRoute displays the profiling results in Web page.
- *
- * The profiling is done by calling {@link YiiBase::beginProfile()} and {@link YiiBase::endProfile()},
- * which marks the begin and end of a code block.
- *
- * CProfileLogRoute supports two types of report by setting the {@link setReport report} property:
- * <ul>
- * <li>summary: list the execution time of every marked code block</li>
- * <li>callstack: list the mark code blocks in a hierarchical view reflecting their calling sequence.</li>
- * </ul>
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @since 2.0
- */
-class CProfileLogRoute extends CWebLogRoute
-{
-	/**
-	 * @var boolean whether to aggregate results according to profiling tokens.
-	 * If false, the results will be aggregated by categories.
-	 * Defaults to true. Note that this property only affects the summary report
-	 * that is enabled when {@link report} is 'summary'.
-	 */
-	public $groupByToken = true;
-	/**
-	 * @var string type of profiling report to display
-	 */
-	private $_report = 'summary';
-
-	/**
-	 * Initializes the route.
-	 * This method is invoked after the route is created by the route manager.
-	 */
-	public function init()
-	{
-		$this->levels = CLogger::LEVEL_PROFILE;
-	}
-
-	/**
-	 * @return string the type of the profiling report to display. Defaults to 'summary'.
-	 */
-	public function getReport()
-	{
-		return $this->_report;
-	}
-
-	/**
-	 * @param string $value the type of the profiling report to display. Valid values include 'summary' and 'callstack'.
-	 */
-	public function setReport($value)
-	{
-		if ($value === 'summary' || $value === 'callstack')
-			$this->_report = $value;
-		else
-			throw new CException(Yii::t('yii', 'CProfileLogRoute.report "{report}" is invalid. Valid values include "summary" and "callstack".',
-				array('{report}' => $value)));
-	}
-
-	/**
-	 * Displays the log messages.
-	 * @param array $logs list of log messages
-	 */
-	public function processLogs($logs)
-	{
-		$app = \Yii::$app;
-		if (!($app instanceof \yii\web\Application) || $app->getRequest()->getIsAjax())
-			return;
-
-		if ($this->getReport() === 'summary')
-			$this->displaySummary($logs);
-		else
-			$this->displayCallstack($logs);
-	}
-
-	/**
-	 * Displays the callstack of the profiling procedures for display.
-	 * @param array $logs list of logs
-	 */
-	protected function displayCallstack($logs)
-	{
-		$stack = array();
-		$results = array();
-		$n = 0;
-		foreach ($logs as $log)
-		{
-			if ($log[1] !== CLogger::LEVEL_PROFILE) {
-				continue;
-			}
-			$message = $log[0];
-			if (!strncasecmp($message, 'begin:', 6)) {
-				$log[0] = substr($message, 6);
-				$log[4] = $n;
-				$stack[] = $log;
-				$n++;
-			} elseif (!strncasecmp($message, 'end:', 4)) {
-				$token = substr($message, 4);
-				if (($last = array_pop($stack)) !== null && $last[0] === $token) {
-					$delta = $log[3] - $last[3];
-					$results[$last[4]] = array($token, $delta, count($stack));
-				} else
-				{
-					throw new CException(Yii::t('yii', 'CProfileLogRoute found a mismatching code block "{token}". Make sure the calls to Yii::beginProfile() and Yii::endProfile() be properly nested.',
-						array('{token}' => $token)));
-				}
-			}
-		}
-		// remaining entries should be closed here
-		$now = microtime(true);
-		while (($last = array_pop($stack)) !== null) {
-			$results[$last[4]] = array($last[0], $now - $last[3], count($stack));
-		}
-		ksort($results);
-		$this->render('profile-callstack', $results);
-	}
-
-	/**
-	 * Displays the summary report of the profiling result.
-	 * @param array $logs list of logs
-	 */
-	protected function displaySummary($logs)
-	{
-		$stack = array();
-		foreach ($logs as $log)
-		{
-			if ($log[1] !== CLogger::LEVEL_PROFILE)
-				continue;
-			$message = $log[0];
-			if (!strncasecmp($message, 'begin:', 6))
-			{
-				$log[0] = substr($message, 6);
-				$stack[] = $log;
-			} elseif (!strncasecmp($message, 'end:', 4))
-			{
-				$token = substr($message, 4);
-				if (($last = array_pop($stack)) !== null && $last[0] === $token)
-				{
-					$delta = $log[3] - $last[3];
-					if (!$this->groupByToken)
-						$token = $log[2];
-					if (isset($results[$token]))
-						$results[$token] = $this->aggregateResult($results[$token], $delta);
-					else
-						$results[$token] = array($token, 1, $delta, $delta, $delta);
-				} else
-					throw new CException(Yii::t('yii', 'CProfileLogRoute found a mismatching code block "{token}". Make sure the calls to Yii::beginProfile() and Yii::endProfile() be properly nested.',
-						array('{token}' => $token)));
-			}
-		}
-
-		$now = microtime(true);
-		while (($last = array_pop($stack)) !== null)
-		{
-			$delta = $now - $last[3];
-			$token = $this->groupByToken ? $last[0] : $last[2];
-			if (isset($results[$token]))
-				$results[$token] = $this->aggregateResult($results[$token], $delta);
-			else
-				$results[$token] = array($token, 1, $delta, $delta, $delta);
-		}
-
-		$entries = array_values($results);
-		$func = create_function('$a,$b', 'return $a[4] < $b[4] ? 1 : 0;');
-		usort($entries, $func);
-
-		$this->render('profile-summary', $entries);
-	}
-
-	/**
-	 * Aggregates the report result.
-	 * @param array $result log result for this code block
-	 * @param float $delta time spent for this code block
-	 * @return array
-	 */
-	protected function aggregateResult($result, $delta)
-	{
-		list($token, $calls, $min, $max, $total) = $result;
-		if ($delta < $min)
-			$min = $delta;
-		elseif ($delta > $max)
-			$max = $delta;
-		$calls++;
-		$total += $delta;
-		return array($token, $calls, $min, $max, $total);
-	}
-}