diff --git a/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/query/impl/LuceneSearchQueryBuilder.java b/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/query/impl/LuceneSearchQueryBuilder.java
index 11b89727280..449844ea2a1 100644
--- a/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/query/impl/LuceneSearchQueryBuilder.java
+++ b/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/query/impl/LuceneSearchQueryBuilder.java
@@ -32,7 +32,6 @@
 import org.hibernate.search.backend.lucene.search.query.LuceneSearchQuery;
 import org.hibernate.search.backend.lucene.search.sort.impl.LuceneSearchSort;
 import org.hibernate.search.backend.lucene.search.sort.impl.LuceneSearchSortCollector;
-import org.hibernate.search.backend.lucene.types.sort.comparatorsource.impl.LuceneFieldComparatorSource;
 import org.hibernate.search.backend.lucene.work.impl.LuceneWorkFactory;
 import org.hibernate.search.engine.backend.session.spi.BackendSessionContext;
 import org.hibernate.search.engine.search.aggregation.AggregationKey;
@@ -183,11 +182,6 @@ public void collectSortField(SortField sortField) {
 		sortFields.add( sortField );
 	}
 
-	@Override
-	public void collectSortField(SortField sortField, LuceneFieldComparatorSource nestedFieldSort) {
-		collectSortField( sortField );
-	}
-
 	@Override
 	public void collectSortFields(SortField[] sortFields) {
 		if ( sortFields == null || sortFields.length == 0 ) {
diff --git a/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/sort/impl/LuceneSearchSortCollector.java b/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/sort/impl/LuceneSearchSortCollector.java
index beeac644a23..ce120b21341 100644
--- a/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/sort/impl/LuceneSearchSortCollector.java
+++ b/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/sort/impl/LuceneSearchSortCollector.java
@@ -6,8 +6,6 @@
  */
 package org.hibernate.search.backend.lucene.search.sort.impl;
 
-import org.hibernate.search.backend.lucene.types.sort.comparatorsource.impl.LuceneFieldComparatorSource;
-
 import org.apache.lucene.search.SortField;
 
 /**
@@ -21,8 +19,6 @@ public interface LuceneSearchSortCollector {
 
 	void collectSortField(SortField sortField);
 
-	void collectSortField(SortField sortField, LuceneFieldComparatorSource nestedFieldSort);
-
 	void collectSortFields(SortField[] sortFields);
 
 }
diff --git a/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/spi/LuceneMigrationUtils.java b/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/spi/LuceneMigrationUtils.java
index b6403a9c996..080be39fd1b 100644
--- a/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/spi/LuceneMigrationUtils.java
+++ b/backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/spi/LuceneMigrationUtils.java
@@ -14,7 +14,6 @@
 import org.hibernate.search.backend.lucene.search.predicate.impl.PredicateRequestContext;
 import org.hibernate.search.backend.lucene.search.sort.impl.LuceneSearchSort;
 import org.hibernate.search.backend.lucene.search.sort.impl.LuceneSearchSortCollector;
-import org.hibernate.search.backend.lucene.types.sort.comparatorsource.impl.LuceneFieldComparatorSource;
 import org.hibernate.search.engine.search.predicate.SearchPredicate;
 import org.hibernate.search.engine.search.sort.SearchSort;
 
@@ -39,11 +38,6 @@ public void collectSortField(SortField sortField) {
 				result.add( sortField );
 			}
 
-			@Override
-			public void collectSortField(SortField sortField, LuceneFieldComparatorSource nestedFieldSort) {
-				result.add( sortField );
-			}
-
 			@Override
 			public void collectSortFields(SortField[] sortFields) {
 				Collections.addAll( result, sortFields );