diff --git a/library/log4php/filters/LoggerFilterLevelRange.php b/library/log4php/filters/LoggerFilterLevelRange.php
deleted file mode 100644
--- a/library/log4php/filters/LoggerFilterLevelRange.php
+++ /dev/null
@@ -1,138 +0,0 @@
-<?php
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * @package log4php
- */
-
-/**
- * This is a very simple filter based on level matching, which can be
- * used to reject messages with priorities outside a certain range.
- *
- * <p>The filter admits three options <b><var>LevelMin</var></b>, <b><var>LevelMax</var></b>
- * and <b><var>AcceptOnMatch</var></b>.</p>
- *
- * <p>If the level of the {@link LoggerLoggingEvent} is not between Min and Max
- * (inclusive), then {@link LoggerFilter::DENY} is returned.</p>
- *
- * <p>If the Logging event level is within the specified range, then if
- * <b><var>AcceptOnMatch</var></b> is <i>true</i>,
- * {@link LoggerFilter::ACCEPT} is returned, and if
- * <b><var>AcceptOnMatch</var></b> is <i>false</i>,
- * {@link LoggerFilter::NEUTRAL} is returned.</p>
- *
- * <p>If <b><var>LevelMin</var></b> is not defined, then there is no
- * minimum acceptable level (i.e. a level is never rejected for
- * being too "low"/unimportant).  If <b><var>LevelMax</var></b> is not
- * defined, then there is no maximum acceptable level (ie a
- * level is never rejected for being too "high"/important).</p>
- *
- * <p>Refer to the {@link LoggerAppender::setThreshold()} method
- * available to <b>all</b> appenders extending {@link LoggerAppender}
- * for a more convenient way to filter out events by level.</p>
- *
- * <p>
- * An example for this filter:
- *
- * {@example ../../examples/php/filter_levelrange.php 19}
- *
- * <p>
- * The corresponding XML file:
- *
- * {@example ../../examples/resources/filter_levelrange.xml 18}
- *
- * @author Simon Kitching
- * @author based on the org.apache.log4j.varia.LevelRangeFilte Java code by Ceki G&uuml;lc&uuml;
- *
- * @version $Revision: 1213283 $
- * @package log4php
- * @subpackage filters
- * @since 0.6
- */
-class LoggerFilterLevelRange extends LoggerFilter {
-
-    /**
-     * @var boolean
-     */
-    protected $acceptOnMatch = true;
-
-    /**
-     * @var LoggerLevel
-     */
-    protected $levelMin;
-
-    /**
-     * @var LoggerLevel
-     */
-    protected $levelMax;
-
-    /**
-     * @param boolean $acceptOnMatch
-     */
-    public function setAcceptOnMatch($acceptOnMatch) {
-        $this->setBoolean('acceptOnMatch', $acceptOnMatch);
-    }
-
-    /**
-     * @param string $l the level min to match
-     */
-    public function setLevelMin($level) {
-        $this->setLevel('levelMin', $level);
-    }
-
-    /**
-     * @param string $l the level max to match
-     */
-    public function setLevelMax($level) {
-        $this->setLevel('levelMax', $level);
-    }
-
-    /**
-     * Return the decision of this filter.
-     *
-     * @param LoggerLoggingEvent $event
-     * @return integer
-     */
-    public function decide(LoggerLoggingEvent $event) {
-        $level = $event->getLevel();
-
-        if ($this->levelMin !== null) {
-            if ($level->isGreaterOrEqual($this->levelMin) == false) {
-                // level of event is less than minimum
-                return LoggerFilter::DENY;
-            }
-        }
-
-        if ($this->levelMax !== null) {
-            if ($level->toInt() > $this->levelMax->toInt()) {
-                // level of event is greater than maximum
-                // Alas, there is no Level.isGreater method. and using
-                // a combo of isGreaterOrEqual && !Equal seems worse than
-                // checking the int values of the level objects..
-                return LoggerFilter::DENY;
-            }
-        }
-
-        if ($this->acceptOnMatch) {
-            // this filter set up to bypass later filters and always return
-            // accept if level in range
-            return LoggerFilter::ACCEPT;
-        } else {
-            // event is ok for this filter; allow later filters to have a look..
-            return LoggerFilter::NEUTRAL;
-        }
-    }
-}