diff --git a/common/source/java/ch/systemsx/cisd/common/parser/DefaultPropertyMapper.java b/common/source/java/ch/systemsx/cisd/common/parser/DefaultPropertyMapper.java
deleted file mode 100644
index 1203bf2e66868ce2faf60556c2f3775670cb12d6..0000000000000000000000000000000000000000
--- a/common/source/java/ch/systemsx/cisd/common/parser/DefaultPropertyMapper.java
+++ /dev/null
@@ -1,55 +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.parser;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-/**
- * 
- *
- * @author Christian Ribeaud
- */
-public class DefaultPropertyMapper implements IPropertyMapper
-{
-    private final Map<String, Property> properties;
-    
-    DefaultPropertyMapper(List<Property> properties) {
-        this.properties = listToMap(properties);
-    }
-    
-    private final static Map<String, Property> listToMap(List<Property> properties)
-    {
-        Map<String, Property> map = new HashMap<String, Property>(properties.size());
-        for (Property property : properties)
-        {
-            map.put(property.name, property);
-        }
-        return map;
-    }
-
-    ///////////////////////////////////////////////////////
-    // IPropertyMapper
-    ///////////////////////////////////////////////////////
-
-    public Property getProperty(String name)
-    {
-        return properties.get(name);
-    }
-
-}
diff --git a/common/source/java/ch/systemsx/cisd/common/parser/DefaultReaderParser.java b/common/source/java/ch/systemsx/cisd/common/parser/DefaultReaderParser.java
index 0ed2a9677a8f149ae78b79ebb8ef9098f323cdbf..6e0d184ba265d21a2fa4dd03e5dacdce504e6f20 100644
--- a/common/source/java/ch/systemsx/cisd/common/parser/DefaultReaderParser.java
+++ b/common/source/java/ch/systemsx/cisd/common/parser/DefaultReaderParser.java
@@ -57,6 +57,9 @@ public class DefaultReaderParser<E> implements IReaderParser<E>
     
     private IPropertyMapperFactory mapperFactory;
     
+    // TODO Christian: refactor this!!!
+    private boolean propertyMapperSet = false;
+    
     public DefaultReaderParser()
     {
         this(new DefaultLineTokenizer());
@@ -111,10 +114,11 @@ public class DefaultReaderParser<E> implements IReaderParser<E>
             {
                 for (int lineNumber = 0; (line = bufferedReader.readLine()) != null; lineNumber++)
                 {
-                    if (mapperFactory != null && mapperFactory.getHeaderLine() > -1)
+                    if (mapperFactory != null && mapperFactory.getHeaderLine() > -1 && propertyMapperSet == false)
                     {
                         String[] tokens = parseLine(lineNumber, line);
                         factory.setPropertyMapper(mapperFactory.createPropertyMapper(tokens));
+                        propertyMapperSet = true;
                         continue;
                     }
                     if (lineFilter.acceptLine(line))
diff --git a/common/source/java/ch/systemsx/cisd/common/parser/HeaderFilePropertyMapper.java b/common/source/java/ch/systemsx/cisd/common/parser/HeaderFilePropertyMapper.java
index 579c5d6adb42f4e1c69c4656d8f7a89540969fda..4703d0b4750f0ffd500764569bf2d6ec79086ef4 100644
--- a/common/source/java/ch/systemsx/cisd/common/parser/HeaderFilePropertyMapper.java
+++ b/common/source/java/ch/systemsx/cisd/common/parser/HeaderFilePropertyMapper.java
@@ -19,8 +19,6 @@ package ch.systemsx.cisd.common.parser;
 import java.util.HashMap;
 import java.util.Map;
 
-import org.apache.commons.lang.StringUtils;
-
 /**
  * 
  *
@@ -28,11 +26,9 @@ import org.apache.commons.lang.StringUtils;
  */
 public class HeaderFilePropertyMapper implements IPropertyMapper
 {
-    public final static char NAME_FORMAT_SEPARATOR = ',';
-    
     private final Map<String, Property> properties;
     
-    HeaderFilePropertyMapper(String[] headerTokens) {
+    public HeaderFilePropertyMapper(String[] headerTokens) {
         this.properties = tokensToMap(headerTokens);
     }
     
@@ -42,13 +38,7 @@ public class HeaderFilePropertyMapper implements IPropertyMapper
         for (int i = 0; i < tokens.length; i++)
         {
             String token = tokens[i];
-            String[] split = StringUtils.split(token, NAME_FORMAT_SEPARATOR);
-            String format = null;
-            if (split.length > 1)
-            {
-                format = split[1];
-            }
-            map.put(token, new Property(i, split[0], format));
+            map.put(token, new Property(i, token));
         }
         return map;
     }
diff --git a/common/source/java/ch/systemsx/cisd/common/parser/IPropertyMapper.java b/common/source/java/ch/systemsx/cisd/common/parser/IPropertyMapper.java
index 0c202ac7eca0116bb37d348edeec07df721ca1b0..62dac4f5f662b5c812550e0046c839424627128f 100644
--- a/common/source/java/ch/systemsx/cisd/common/parser/IPropertyMapper.java
+++ b/common/source/java/ch/systemsx/cisd/common/parser/IPropertyMapper.java
@@ -37,20 +37,16 @@ public interface IPropertyMapper
      * 
      * @author Christian Ribeaud
      */
-    // TODO Christian: we should maybe add a type...
     public final static class Property {
         
         public final int column;
         
         public final String name;
         
-        public final String format;
-
-        protected Property(final int column, final String name, final String format)
+        protected Property(final int column, final String name)
         {
             this.column = column;
             this.name = name;
-            this.format = format;
         }
         
         ///////////////////////////////////////////////////////