diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/Constants.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/Constants.java
index 5f614c0a5..4c1e1c08c 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/Constants.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/Constants.java
@@ -4,7 +4,6 @@ package eu.dnetlib.dhp.oa.graph.dump.graph;
 import java.io.Serializable;
 
 public class Constants implements Serializable {
-	// collectedFrom va con isProvidedBy -> becco da ModelSupport
 
 	public static final String IS_HOSTED_BY = "isHostedBy";
 	public static final String HOSTS = "hosts";
@@ -14,8 +13,6 @@ public class Constants implements Serializable {
 
 	public static final String FUNDINGS = "fundings";
 
-	// community result uso isrelatedto
-
 	public static final String RESULT_ENTITY = "result";
 	public static final String DATASOURCE_ENTITY = "datasource";
 	public static final String CONTEXT_ENTITY = "context";