diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entities/facet/FacetAlreadyPresentException.java b/src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entities/facet/FacetAlreadyPresentException.java
index 4bb09ca..554ce84 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entities/facet/FacetAlreadyPresentException.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entities/facet/FacetAlreadyPresentException.java
@@ -2,7 +2,6 @@ package org.gcube.informationsystem.resourceregistry.api.exceptions.entities.fac
 
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entities.EntityAlreadyPresentException;
 
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entities/facet/FacetNotFoundException.java b/src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entities/facet/FacetNotFoundException.java
index bc433a3..05192af 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entities/facet/FacetNotFoundException.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/api/exceptions/entities/facet/FacetNotFoundException.java
@@ -2,7 +2,6 @@ package org.gcube.informationsystem.resourceregistry.api.exceptions.entities.fac
 
 import org.gcube.informationsystem.resourceregistry.api.exceptions.entities.EntityNotFoundException;
 
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */