diff --git a/src/main/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQL.java b/src/main/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQL.java
index 0b764a2..8f1e508 100644
--- a/src/main/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQL.java
+++ b/src/main/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQL.java
@@ -257,11 +257,6 @@ public class AccountingPersistenceQueryPostgreSQL implements AccountingPersisten
 		return ret;
 	}
 
-	@Override
-	public List<UsageValue> getUsageValueQuotaTotal(List<UsageValue> listUsage) throws Exception {
-		return null;
-	}
-
 	@Override
 	public Record getRecord(String recordId, String type) throws Exception {
 		Class<? extends AggregatedRecord<?, ?>> aggregatedRecordClass = RecordUtility.getAggregatedRecordClass(type);
@@ -306,6 +301,11 @@ public class AccountingPersistenceQueryPostgreSQL implements AccountingPersisten
 		
 	}
 
+	@Override
+	public List<UsageValue> getUsageValueQuotaTotal(List<UsageValue> listUsage) throws Exception {
+		return null;
+	}
+	
 	@Override
 	public SortedMap<Filter, SortedMap<Calendar, Long>> getSpaceTimeSeries(Class<? extends AggregatedRecord<?, ?>> clz,
 			TemporalConstraint temporalConstraint, List<Filter> filters, List<String> providersId) throws Exception {