diff --git a/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/AbstractOmniscientTopLevelDataSetRegistrator.java b/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/AbstractOmniscientTopLevelDataSetRegistrator.java
index 495319b67807bec2afd16ecd253a77fe18f8306d..cb044d7cb8717675f2e13696ca73be64240a6b99 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/AbstractOmniscientTopLevelDataSetRegistrator.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/AbstractOmniscientTopLevelDataSetRegistrator.java
@@ -537,7 +537,6 @@ public abstract class AbstractOmniscientTopLevelDataSetRegistrator<T extends Dat
         UnstoreDataAction action =
                 getRegistratorState().getOnErrorActionDecision().computeUndoAction(
                         ErrorType.INVALID_DATA_SET, null);
-        System.err.println("compute undo action is " + action);
         DataSetStorageRollbacker rollbacker =
                 new DataSetStorageRollbacker(getRegistratorState(), operationLog, action,
                         incomingDataSetFile.getRealIncomingFile(), null, null,
diff --git a/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/DataSetStorageAlgorithm.java b/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/DataSetStorageAlgorithm.java
index 496be502808203c2349a037dc95a751f45d30473..d0ad641687773f79d2de0491c0aa3b08995a51a4 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/DataSetStorageAlgorithm.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/DataSetStorageAlgorithm.java
@@ -553,7 +553,6 @@ public class DataSetStorageAlgorithm<T extends DataSetInformation>
          */
         public void commitStorageProcessor()
         {
-            // TODO: KUBA - tutaj pewnie powinno byc precommit
             transaction.setStoredDataDirectory(storagePaths.precommitBaseDirectory);
             transaction.commit();
             cleanUpMarkerFile();