diff --git a/dhp-common/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/ResultTypeComparator.java b/dhp-common/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/ResultTypeComparator.java
deleted file mode 100644
index e10b281b89..0000000000
--- a/dhp-common/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/ResultTypeComparator.java
+++ /dev/null
@@ -1,87 +0,0 @@
-
-package eu.dnetlib.dhp.schema.oaf.utils;
-
-import static eu.dnetlib.dhp.schema.common.ModelConstants.CROSSREF_ID;
-
-import java.util.Comparator;
-import java.util.HashSet;
-import java.util.Optional;
-import java.util.stream.Collectors;
-
-import eu.dnetlib.dhp.schema.common.ModelConstants;
-import eu.dnetlib.dhp.schema.oaf.KeyValue;
-import eu.dnetlib.dhp.schema.oaf.Result;
-
-public class ResultTypeComparator implements Comparator<Result> {
-
-	public static final ResultTypeComparator INSTANCE = new ResultTypeComparator();
-
-	@Override
-	public int compare(Result left, Result right) {
-
-		if (left == null && right == null)
-			return 0;
-		if (left == null)
-			return 1;
-		if (right == null)
-			return -1;
-
-		HashSet<String> lCf = getCollectedFromIds(left);
-		HashSet<String> rCf = getCollectedFromIds(right);
-
-		if (lCf.contains(CROSSREF_ID) && !rCf.contains(CROSSREF_ID)) {
-			return -1;
-		}
-		if (!lCf.contains(CROSSREF_ID) && rCf.contains(CROSSREF_ID)) {
-			return 1;
-		}
-
-		if (left.getResulttype() == null || left.getResulttype().getClassid() == null) {
-			if (right.getResulttype() == null || right.getResulttype().getClassid() == null) {
-				return 0;
-			}
-			return 1;
-		} else if (right.getResulttype() == null || right.getResulttype().getClassid() == null) {
-			return -1;
-		}
-
-		String lClass = left.getResulttype().getClassid();
-		String rClass = right.getResulttype().getClassid();
-
-		if (!lClass.equals(rClass)) {
-			if (lClass.equals(ModelConstants.PUBLICATION_RESULTTYPE_CLASSID))
-				return -1;
-			if (rClass.equals(ModelConstants.PUBLICATION_RESULTTYPE_CLASSID))
-				return 1;
-
-			if (lClass.equals(ModelConstants.DATASET_RESULTTYPE_CLASSID))
-				return -1;
-			if (rClass.equals(ModelConstants.DATASET_RESULTTYPE_CLASSID))
-				return 1;
-
-			if (lClass.equals(ModelConstants.SOFTWARE_RESULTTYPE_CLASSID))
-				return -1;
-			if (rClass.equals(ModelConstants.SOFTWARE_RESULTTYPE_CLASSID))
-				return 1;
-
-			if (lClass.equals(ModelConstants.ORP_RESULTTYPE_CLASSID))
-				return -1;
-			if (rClass.equals(ModelConstants.ORP_RESULTTYPE_CLASSID))
-				return 1;
-		}
-
-		// Else (but unlikely), lexicographical ordering will do.
-		return lClass.compareTo(rClass);
-	}
-
-	protected HashSet<String> getCollectedFromIds(Result left) {
-		return Optional
-			.ofNullable(left.getCollectedfrom())
-			.map(
-				cf -> cf
-					.stream()
-					.map(KeyValue::getKey)
-					.collect(Collectors.toCollection(HashSet::new)))
-			.orElse(new HashSet<>());
-	}
-}
diff --git a/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/oaipmh/IrishOaiExporterJob.java b/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/oaipmh/IrishOaiExporterJob.java
index 57f180fa01..3d69370afc 100644
--- a/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/oaipmh/IrishOaiExporterJob.java
+++ b/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/oaipmh/IrishOaiExporterJob.java
@@ -31,7 +31,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-import eu.dnetlib.dhp.oa.provision.XmlConverterJob;
 import eu.dnetlib.dhp.oa.provision.model.SerializableSolrInputDocument;
 import eu.dnetlib.dhp.oa.provision.model.TupleWrapper;
 
@@ -48,7 +47,7 @@ public class IrishOaiExporterJob {
 		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
 			IOUtils
 				.toString(
-					XmlConverterJob.class
+					IrishOaiExporterJob.class
 						.getResourceAsStream("/eu/dnetlib/dhp/oa/oaipmh/input_params_irish_oai_exporter.json")));
 		parser.parseArgument(args);