diff --git a/source/dnode/vnode/src/inc/tsdb.h b/source/dnode/vnode/src/inc/tsdb.h
index 77a3bb7a2f..5a2e462c8c 100644
--- a/source/dnode/vnode/src/inc/tsdb.h
+++ b/source/dnode/vnode/src/inc/tsdb.h
@@ -573,7 +573,6 @@ struct STSDBRowIter {
 struct SRowMerger {
   STSchema *pTSchema;
   int64_t   version;
-  bool      merged;
   SArray   *pArray;  // SArray<SColVal>
 };