1 files changed, 1 insertions, 5 deletions
diff --git a/src/mongo/db/pipeline/document_source_sequential_document_cache.h b/src/mongo/db/pipeline/document_source_sequential_document_cache.h
index ea6c99a5f9e..4e81390d4ef 100644
--- a/src/mongo/db/pipeline/document_source_sequential_document_cache.h
+++ b/src/mongo/db/pipeline/document_source_sequential_document_cache.h
@@ -97,10 +97,6 @@ public:
         return newStage;
     }
 
-    bool hasOptimizedPos() const {
-        return _hasOptimizedPos;
-    }
-
 protected:
     GetNextResult doGetNext() final;
     Pipeline::SourceContainer::iterator doOptimizeAt(Pipeline::SourceContainer::iterator itr,
@@ -110,7 +106,7 @@ private:
     DocumentSourceSequentialDocumentCache(const boost::intrusive_ptr<ExpressionContext>& expCtx,
                                           SequentialDocumentCache* cache);
 
-    Value serialize(const SerializationOptions& opts = SerializationOptions{}) const final override;
+    Value serialize(boost::optional<ExplainOptions::Verbosity> explain = boost::none) const final;
 
     SequentialDocumentCache* _cache;