diff --git a/src/main/java/eu/dnetlib/dhp/schema/oaf/Datasource.java b/src/main/java/eu/dnetlib/dhp/schema/oaf/Datasource.java
index 0f539d9..510df87 100644
--- a/src/main/java/eu/dnetlib/dhp/schema/oaf/Datasource.java
+++ b/src/main/java/eu/dnetlib/dhp/schema/oaf/Datasource.java
@@ -118,9 +118,6 @@ public class Datasource extends OafEntity implements Serializable {
 	// New field for EOSC
 	private Boolean thematic;
 
-	// New field for EOSC
-	private Boolean knowledgegraph;
-
 	// New field for EOSC
 	private List<Qualifier> contentpolicies;
 
@@ -484,14 +481,6 @@ public class Datasource extends OafEntity implements Serializable {
 		this.thematic = thematic;
 	}
 
-	public Boolean getKnowledgegraph() {
-		return knowledgegraph;
-	}
-
-	public void setKnowledgegraph(final Boolean knowledgegraph) {
-		this.knowledgegraph = knowledgegraph;
-	}
-
 	public List<Qualifier> getContentpolicies() {
 		return contentpolicies;
 	}
@@ -690,10 +679,6 @@ public class Datasource extends OafEntity implements Serializable {
 			? d.getThematic()
 			: thematic;
 
-		knowledgegraph = d.getKnowledgegraph() != null && compareTrust(this, e) < 0
-			? d.getKnowledgegraph()
-			: knowledgegraph;
-
 		contentpolicies = mergeLists(contentpolicies, d.getContentpolicies());;
 
 		submissionpolicyurl = d.getSubmissionpolicyurl() != null && compareTrust(this, e) < 0