diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/DataBO.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/DataBO.java
index b4e1cab54e2b9a410db7db86b35a31d7f6e663ad..c79f6eca287cd6177b4e4285391bc8f693845b1d 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/DataBO.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/DataBO.java
@@ -660,10 +660,7 @@ public class DataBO extends AbstractDataSetBusinessObject implements IDataBO
         entityPropertiesConverter.checkMandatoryProperties(data.getProperties(),
                 data.getDataSetType(), this.getCache().getEntityTypePropertyTypes());
 
-        data.setModificationDate(new Date(data.getModificationDate().getTime() + 1));
         validateAndSave();
-
-        data.setModificationDate(new Date(data.getModificationDate().getTime() - 1));
     }
 
     private List<String> asListOrNull(String[] arrayOrNull)