diff --git a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ChannelChooserPanel.java b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ChannelChooserPanel.java
index 75a71d920e2685e3e6b0e7ccb00901f5ac707fea..1c92c18e5cbe9982a3095d9095e46ace1e15f523 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ChannelChooserPanel.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ChannelChooserPanel.java
@@ -79,7 +79,6 @@ public class ChannelChooserPanel extends LayoutContainer
 
         setAutoHeight(true);
         setAutoWidth(true);
-        // setLayout(new ColumnLayout());
 
         channelsComboBox = createChannelsComboBox();
         add(channelsComboBox);
@@ -108,7 +107,6 @@ public class ChannelChooserPanel extends LayoutContainer
     private CheckBoxGroup createCheckBoxGroup()
     {
         CheckBoxGroup group = new CheckBoxGroup();
-        // group.setStyleAttribute("margin-left", "20px");
         return group;
     }