diff --git a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/LicenseBean.java b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/LicenseBean.java
index 7f44b87..5820b4c 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/LicenseBean.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/LicenseBean.java
@@ -25,7 +25,6 @@ public class LicenseBean implements Serializable, ZenodoLicense{
 	 * Instantiates a new license bean.
 	 */
 	public LicenseBean() {
-		super();
 	}
 
 
diff --git a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/ZenodoDateInterval.java b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/ZenodoDateInterval.java
index 231cde4..f001caa 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/ZenodoDateInterval.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/ZenodoDateInterval.java
@@ -28,7 +28,7 @@ public class ZenodoDateInterval implements Serializable {
 	/**
 	 * Instantiates a new zenodo date interval.
 	 */
-	ZenodoDateInterval() {
+	public ZenodoDateInterval() {
 	}
 
 	/**