diff --git a/library/log4php/pattern/LoggerPatternConverterSuperglobal.php b/library/log4php/pattern/LoggerPatternConverterSuperglobal.php
deleted file mode 100644
--- a/library/log4php/pattern/LoggerPatternConverterSuperglobal.php
+++ /dev/null
@@ -1,100 +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
- */
-
-/**
- * Returns a value from a superglobal array corresponding to the
- * given key.
- *
- * Option: the key to look up within the superglobal array
- *
- * Also, it is possible that a superglobal variable is not populated by PHP
- * because of the settings in the variables-order ini directive. In this case
- * the converter will return an empty value.
- *
- * @see http://php.net/manual/en/language.variables.superglobals.php
- * @see http://www.php.net/manual/en/ini.core.php#ini.variables-order
- *
- * @package log4php
- * @subpackage pattern
- * @version $Revision: 1326626 $
- * @since 2.3
- */
-abstract class LoggerPatternConverterSuperglobal extends LoggerPatternConverter {
-
-    /**
-     * Name of the superglobal variable, to be defined by subclasses.
-     * For example: "_SERVER" or "_ENV".
-     */
-    protected $name;
-
-    protected $value = '';
-
-    public function activateOptions() {
-        // Read the key from options array
-        if (isset($this->option) && $this->option !== '') {
-            $key = $this->option;
-        }
-
-        /*
-         * There is a bug in PHP which doesn't allow superglobals to be
-         * accessed when their name is stored in a variable, e.g.:
-         *
-         * $name = '_SERVER';
-         * $array = $$name;
-         *
-         * This code does not work when run from within a method (only when run
-         * in global scope). But the following code does work:
-         *
-         * $name = '_SERVER';
-         * global $$name;
-         * $array = $$name;
-         *
-         * That's why global is used here.
-         */
-        global ${$this->name};
-
-        // Check the given superglobal exists. It is possible that it is not initialized.
-        if (!isset(${$this->name})) {
-            $class = get_class($this);
-            trigger_error("log4php: $class: Cannot find superglobal variable \${$this->name}.", E_USER_WARNING);
-            return;
-        }
-
-        $source = ${$this->name};
-
-        // When the key is set, display the matching value
-        if (isset($key)) {
-            if (isset($source[$key])) {
-                $this->value = $source[$key];
-            }
-        } // When the key is not set, display all values
-        else {
-            $values = array();
-            foreach ($source as $key => $value) {
-                $values[] = "$key=$value";
-            }
-            $this->value = implode(', ', $values);
-        }
-    }
-
-    public function convert(LoggerLoggingEvent $event) {
-        return $this->value;
-    }
-}