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-rw-r--r--src/mongo/db/s/migration_chunk_cloner_source_legacy.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/src/mongo/db/s/migration_chunk_cloner_source_legacy.h b/src/mongo/db/s/migration_chunk_cloner_source_legacy.h
index aa9b5271119..0e8c53feab1 100644
--- a/src/mongo/db/s/migration_chunk_cloner_source_legacy.h
+++ b/src/mongo/db/s/migration_chunk_cloner_source_legacy.h
@@ -252,9 +252,6 @@ private:
// pre-allocation (initial clone).
uint64_t _averageObjectSizeForCloneLocs{0};
- // The estimated average object _id size during the clone phase.
- uint64_t _averageObjectIdSize{0};
-
// List of _id of documents that were modified that must be re-cloned (xfer mods)
std::list<BSONObj> _reload;