diff --git a/src/test/java/org/gcube/accounting/analytics/TemporalConstraintTest.java b/src/test/java/org/gcube/accounting/analytics/TemporalConstraintTest.java
index cf610ef..f15258b 100644
--- a/src/test/java/org/gcube/accounting/analytics/TemporalConstraintTest.java
+++ b/src/test/java/org/gcube/accounting/analytics/TemporalConstraintTest.java
@@ -5,12 +5,8 @@ package org.gcube.accounting.analytics;
 
 import java.util.Calendar;
 import java.util.Collection;
-import java.util.SortedSet;
 
 import org.gcube.accounting.analytics.TemporalConstraint.AggregationMode;
-import org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery;
-import org.gcube.accounting.analytics.persistence.AccountingPersistenceQuery;
-import org.gcube.accounting.datamodel.aggregation.AggregatedStorageStatusRecord;
 import org.junit.Assert;
 import org.junit.Test;
 import org.slf4j.Logger;