diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/model/PropertyTypeModel.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/model/PropertyTypeModel.java
deleted file mode 100644
index 2d2c949e489046b4767f45c4cc9ef1d3ff2aa6b1..0000000000000000000000000000000000000000
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/model/PropertyTypeModel.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright 2008 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.openbis.generic.client.web.client.application.model;
-
-import com.extjs.gxt.ui.client.data.ModelData;
-import com.google.gwt.user.client.DOM;
-import com.google.gwt.user.client.Element;
-
-import ch.systemsx.cisd.openbis.generic.client.web.client.application.ui.columns.framework.IColumnDefinitionKind;
-import ch.systemsx.cisd.openbis.generic.client.web.client.application.ui.columns.specific.PropertyTypeColDefKind;
-import ch.systemsx.cisd.openbis.generic.shared.basic.GridRowModel;
-import ch.systemsx.cisd.openbis.generic.shared.basic.dto.PropertyType;
-
-/**
- * {@link ModelData} for {@link PropertyType}.
- * 
- * @author Izabela Adamczyk
- * @author Tomasz Pylak
- */
-public class PropertyTypeModel extends BaseEntityModel<PropertyType>
-{
-    private static final long serialVersionUID = 1L;
-
-    public PropertyTypeModel(GridRowModel<PropertyType> entity,
-            IColumnDefinitionKind<PropertyType>[] colDefKinds)
-    {
-        super(entity, colDefKinds);
-
-        overwriteTypes(PropertyTypeColDefKind.EXPERIMENT_TYPES);
-        overwriteTypes(PropertyTypeColDefKind.MATERIAL_TYPES);
-        overwriteTypes(PropertyTypeColDefKind.SAMPLE_TYPES);
-    }
-
-    // changes the column value from the export format to the display format
-    private void overwriteTypes(PropertyTypeColDefKind columnKind)
-    {
-        String columnId = columnKind.id();
-        String commaValues = get(columnId);
-        String newValue = rerenderTypes(commaValues);
-        set(columnId, newValue);
-    }
-
-    // transforms comma separated value list by replacing each comma with a div element. It results
-    // in one item displayed per line.
-    private static String rerenderTypes(String commaValues)
-    {
-        String[] tokens = commaValues.split(",");
-        StringBuffer sb = new StringBuffer();
-        for (int i = 0; i < tokens.length; i++)
-        {
-            final Element div = DOM.createDiv();
-            div.setInnerText(tokens[i].trim());
-            sb.append(div.getString());
-        }
-        String newValue = sb.toString();
-        return newValue;
-    }
-}