diff --git a/molgenis-omx-biobankconnect/src/main/java/org/molgenis/omx/biobankconnect/ontologyannotator/AsyncOntologyAnnotator.java b/molgenis-omx-biobankconnect/src/main/java/org/molgenis/omx/biobankconnect/ontologyannotator/AsyncOntologyAnnotator.java
index <HASH>..<HASH> 100644
--- a/molgenis-omx-biobankconnect/src/main/java/org/molgenis/omx/biobankconnect/ontologyannotator/AsyncOntologyAnnotator.java
+++ b/molgenis-omx-biobankconnect/src/main/java/org/molgenis/omx/biobankconnect/ontologyannotator/AsyncOntologyAnnotator.java
@@ -100,7 +100,6 @@ public class AsyncOntologyAnnotator implements OntologyAnnotator, InitializingBe
 			List<String> requiredColumns = new ArrayList<String>(Arrays.asList(ObservableFeature.NAME.toLowerCase(),
 					ObservableFeature.DESCRIPTION));
 			Iterator<AttributeMetaData> columnNamesIterator = csvRepository.getAttributes().iterator();
-			// Iterator<String> columnNamesIterator = reader.colNamesIterator();
 			while (columnNamesIterator.hasNext())
 			{
 				requiredColumns.remove(columnNamesIterator.next().getName());
removed unused comment from AsyncOntologyAnnotator.java