diff --git a/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceBackendQueryConfiguration.java b/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceBackendQueryConfiguration.java
index eb95931..433f961 100644
--- a/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceBackendQueryConfiguration.java
+++ b/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceBackendQueryConfiguration.java
@@ -18,7 +18,7 @@ public class AccountingPersistenceBackendQueryConfiguration extends AccountingPe
 	 * @param clz The class of the persistence to instantiate
 	 * @throws Exception if fails
 	 */
-	@SuppressWarnings({ "unchecked", "rawtypes" })
+	@SuppressWarnings({ "rawtypes" })
 	public AccountingPersistenceBackendQueryConfiguration(Class<? extends AccountingPersistenceBackendQuery> clz) throws Exception{
 		super((Class) clz);
 	}