diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/ColumnFilter.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/ColumnFilter.java
deleted file mode 100644
index 46633f3e68aeec7179f602cb5232d9a263e0e5e7..0000000000000000000000000000000000000000
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/ColumnFilter.java
+++ /dev/null
@@ -1,53 +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.ui;
-
-import com.extjs.gxt.ui.client.data.ModelData;
-import com.extjs.gxt.ui.client.store.Store;
-import com.extjs.gxt.ui.client.widget.form.StoreFilterField;
-
-/**
- * {@link StoreFilterField} extension for filtering columns.
- * 
- * @author Izabela Adamczyk
- */
-public class ColumnFilter<T extends ModelData> extends StoreFilterField<T>
-{
-
-    private final String column;
-
-    public ColumnFilter(Store<T> store, String columnName, String label)
-    {
-        this.column = columnName;
-        setWidth(100);
-        setEmptyText(label);
-        bind(store);
-    }
-
-    @Override
-    protected boolean doSelect(Store<T> store, T parent, T record, String property,
-            String filterText)
-    {
-        String columnValue = record.get(column);
-        columnValue = columnValue.toLowerCase();
-        if (columnValue.startsWith(filterText.toLowerCase()))
-        {
-            return true;
-        }
-        return false;
-    }
-}