diff --git a/core/src/main/java/org/elasticsearch/search/sort/ScoreSortBuilder.java b/core/src/main/java/org/elasticsearch/search/sort/ScoreSortBuilder.java
index fa4472fadf9..7f0f07045a8 100644
--- a/core/src/main/java/org/elasticsearch/search/sort/ScoreSortBuilder.java
+++ b/core/src/main/java/org/elasticsearch/search/sort/ScoreSortBuilder.java
@@ -39,9 +39,7 @@ import java.util.Objects;
 public class ScoreSortBuilder extends SortBuilder<ScoreSortBuilder> {
 
     public static final String NAME = "_score";
-    public static final ParseField REVERSE_FIELD = new ParseField("reverse");
     public static final ParseField ORDER_FIELD = new ParseField("order");
-    private static final ParseField REVERSE_FORBIDDEN = new ParseField("reverse");
     private static final SortField SORT_SCORE = new SortField(null, SortField.Type.SCORE);
     private static final SortField SORT_SCORE_REVERSE = new SortField(null, SortField.Type.SCORE, true);