diff --git a/modules/elasticsearch/src/main/java/org/elasticsearch/util/lucene/search/Queries.java b/modules/elasticsearch/src/main/java/org/elasticsearch/util/lucene/search/Queries.java
index 6a9cd09a21b..d44d1b31aa8 100644
--- a/modules/elasticsearch/src/main/java/org/elasticsearch/util/lucene/search/Queries.java
+++ b/modules/elasticsearch/src/main/java/org/elasticsearch/util/lucene/search/Queries.java
@@ -54,31 +54,9 @@ public class Queries {
      * Optimizes the given query and returns the optimized version of it.
      */
     public static Query optimizeQuery(Query q) {
-        if (q instanceof BooleanQuery) {
-            return optimizeBooleanQuery((BooleanQuery) q);
-        }
         return q;
     }
 
-    public static BooleanQuery optimizeBooleanQuery(BooleanQuery q) {
-        BooleanQuery optimized = new BooleanQuery(q.isCoordDisabled());
-        optimized.setMinimumNumberShouldMatch(q.getMinimumNumberShouldMatch());
-        optimizeBooleanQuery(optimized, q);
-        return optimized;
-    }
-
-    public static void optimizeBooleanQuery(BooleanQuery optimized, BooleanQuery q) {
-        for (BooleanClause clause : q.clauses()) {
-            Query cq = clause.getQuery();
-            cq.setBoost(cq.getBoost() * q.getBoost());
-            if (cq instanceof BooleanQuery && !clause.isRequired() && !clause.isProhibited()) {
-                optimizeBooleanQuery(optimized, (BooleanQuery) cq);
-            } else {
-                optimized.add(clause);
-            }
-        }
-    }
-
     public static boolean isNegativeQuery(Query q) {
         if (!(q instanceof BooleanQuery)) {
             return false;