diff --git a/common/source/java/ch/systemsx/cisd/common/logging/ExtendedLogger.java b/common/source/java/ch/systemsx/cisd/common/logging/ExtendedLogger.java
deleted file mode 100644
index 9903e5fb57f376925828eb31f9bd32a00bac7b3f..0000000000000000000000000000000000000000
--- a/common/source/java/ch/systemsx/cisd/common/logging/ExtendedLogger.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright 2007 ETH Zuerich, CISD
- *
- * Licensed 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 ch.systemsx.cisd.common.logging;
-
-import org.apache.log4j.Logger;
-
-/**
- * This <code>Logger</code> extension checks the priority level before making the logging output.
- * 
- * @author Christian Ribeaud
- */
-public final class ExtendedLogger extends Logger
-{
-
-    public ExtendedLogger(String name)
-    {
-        super(name);
-    }
-
-    ///////////////////////////////////////////////////////
-    // Logger
-    ///////////////////////////////////////////////////////
-
-    @Override
-    public final void info(Object message)
-    {
-        if (isInfoEnabled())
-        {
-            super.info(message);
-        }
-    }
-
-    @Override
-    public final void info(Object message, Throwable t)
-    {
-        if (isInfoEnabled())
-        {
-            super.info(message, t);
-        }
-    }
-
-    @Override
-    public final void debug(Object message)
-    {
-        if (isDebugEnabled())
-        {
-            super.debug(message);
-        }
-    }
-
-    @Override
-    public final void debug(Object message, Throwable t)
-    {
-        if (isDebugEnabled())
-        {
-            super.debug(message, t);
-        }
-    }
-}
diff --git a/common/source/java/ch/systemsx/cisd/common/logging/LogFactory.java b/common/source/java/ch/systemsx/cisd/common/logging/LogFactory.java
index 1e35775158616b7e9e41d26ce47487010f848bb6..6abc3ed49ecb105d826c7320a70b06d9b26e0062 100644
--- a/common/source/java/ch/systemsx/cisd/common/logging/LogFactory.java
+++ b/common/source/java/ch/systemsx/cisd/common/logging/LogFactory.java
@@ -17,7 +17,6 @@
 package ch.systemsx.cisd.common.logging;
 
 import org.apache.log4j.Logger;
-import org.apache.log4j.spi.LoggerFactory;
 
 /**
  * This class is used to create loggers (using <code>log4j</code>).
@@ -49,31 +48,4 @@ public final class LogFactory
     {
         return Logger.getLogger(getLoggerName(category, clazz));
     }
-
-    /**
-     * Returns the logger for the given {@link LogCategory} and {@link Class}. The name of the logger will contain the
-     * name of the <var>category</var>, followed by the canonical name of <var>clazz</var>.
-     * <p>
-     * The returned version of <code>Logger</code> checks the priority level before doing the logging output.
-     * </p>
-     */
-    public final static Logger getExtendedLogger(LogCategory category, Class clazz) {
-        return Logger.getLogger(getLoggerName(category, clazz), new ExtendedLoggerFactory());
-    }
-    
-    ///////////////////////////////////////////////////////
-    // Helper Classes
-    ///////////////////////////////////////////////////////
-
-    private final static class ExtendedLoggerFactory implements LoggerFactory {
-        
-        ///////////////////////////////////////////////////////
-        // LoggerFactory
-        ///////////////////////////////////////////////////////
-
-        public Logger makeNewLoggerInstance(String name)
-        {
-            return new ExtendedLogger(name);
-        }
-    }
 }