diff --git a/screening/sourceTest/java/ch/systemsx/cisd/openbis/plugin/screening/server/ScreeningServerTest.java b/screening/sourceTest/java/ch/systemsx/cisd/openbis/plugin/screening/server/ScreeningServerTest.java
index b2275e71fd544855dca5106641563683170beaa5..1764ec8a2206d80f64199519c33efca7ff044109 100644
--- a/screening/sourceTest/java/ch/systemsx/cisd/openbis/plugin/screening/server/ScreeningServerTest.java
+++ b/screening/sourceTest/java/ch/systemsx/cisd/openbis/plugin/screening/server/ScreeningServerTest.java
@@ -17,8 +17,6 @@
 package ch.systemsx.cisd.openbis.plugin.screening.server;
 
 import java.lang.reflect.Method;
-import java.util.Collections;
-import java.util.List;
 
 import org.jmock.Expectations;
 import org.testng.annotations.AfterMethod;
@@ -115,8 +113,6 @@ public class ScreeningServerTest extends AbstractServerTestCase
                     one(sampleBO).loadBySamplePermId(PERM_ID);
                     one(sampleBO).getSample();
                     will(returnValue(exampleSample));
-                    one(sampleRelationshipDAO).listSampleParents(List.of(exampleSample.getId()));
-                    will(returnValue(List.of()));
                 }
             });
 
@@ -147,8 +143,6 @@ public class ScreeningServerTest extends AbstractServerTestCase
                             SampleIdentifierFactory.parse(SAMPLE_IDENTIFIER));
                     one(sampleBO).getSample();
                     will(returnValue(exampleSample));
-                    one(sampleRelationshipDAO).listSampleParents(List.of(exampleSample.getId()));
-                    will(returnValue(List.of()));
                 }
             });