diff --git a/src/main/java/org/gcube/common/software/export/zenodo/ZenodoSoftwareVersionExporter.java b/src/main/java/org/gcube/common/software/export/zenodo/ZenodoSoftwareVersionExporter.java
index e68053c..e42e8ac 100644
--- a/src/main/java/org/gcube/common/software/export/zenodo/ZenodoSoftwareVersionExporter.java
+++ b/src/main/java/org/gcube/common/software/export/zenodo/ZenodoSoftwareVersionExporter.java
@@ -60,8 +60,6 @@ public class ZenodoSoftwareVersionExporter extends SoftwareVersionExporter {
 	public static final String METADATA_FIELD_NAME = "metadata";
 	public static final String COMMUNITIES_FIELD_NAME = "communities";
 	
-	public static final String PREVIOUS = "PREVIOUS";
-	
 	public static final String DEPOSITIONS_COLLECTION_PATH = "/api/deposit/depositions";
 	public static final String DEPOSITION_PATH = DEPOSITIONS_COLLECTION_PATH + "/:id";