1 files changed, 2 insertions, 2 deletions
diff --git a/src/mongo/db/matcher/schema/expression_internal_schema_root_doc_eq.h b/src/mongo/db/matcher/schema/expression_internal_schema_root_doc_eq.h
index 9e374b655c9..47003cf630c 100644
--- a/src/mongo/db/matcher/schema/expression_internal_schema_root_doc_eq.h
+++ b/src/mongo/db/matcher/schema/expression_internal_schema_root_doc_eq.h
@@ -83,8 +83,8 @@ public:
         MONGO_UNREACHABLE;
     }
 
-    boost::optional<std::vector<MatchExpression*>&> getChildVector() final {
-        return boost::none;
+    std::vector<std::unique_ptr<MatchExpression>>* getChildVector() final {
+        return nullptr;
     }
 
     MatchCategory getCategory() const final {