diff --git a/datastore_server/source/java/ch/ethz/sis/openbis/generic/server/dss/plugins/sync/harvester/synchronizer/util/Monitor.java b/datastore_server/source/java/ch/ethz/sis/openbis/generic/server/dss/plugins/sync/harvester/synchronizer/util/Monitor.java
index 36d8202f2cd02a0eea63938c765fbd9cb339b566..1622b7305104a1314ee3889edb50a3efafda3ebf 100644
--- a/datastore_server/source/java/ch/ethz/sis/openbis/generic/server/dss/plugins/sync/harvester/synchronizer/util/Monitor.java
+++ b/datastore_server/source/java/ch/ethz/sis/openbis/generic/server/dss/plugins/sync/harvester/synchronizer/util/Monitor.java
@@ -22,10 +22,6 @@ import org.apache.commons.lang3.time.StopWatch;
 import org.apache.log4j.Logger;
 
 import ch.systemsx.cisd.common.filesystem.FileUtilities;
-import ch.systemsx.cisd.common.logging.BufferedAppender;
-import ch.systemsx.cisd.common.logging.LogCategory;
-import ch.systemsx.cisd.common.logging.LogFactory;
-import ch.systemsx.cisd.openbis.util.LogRecordingUtils;
 
 /**
  * @author Franz-Josef Elmer