diff --git a/native-sql-engine/cpp/src/codegen/common/relation_column.h b/native-sql-engine/cpp/src/codegen/common/relation_column.h
index f2518bc5d..a1599bbe5 100644
--- a/native-sql-engine/cpp/src/codegen/common/relation_column.h
+++ b/native-sql-engine/cpp/src/codegen/common/relation_column.h
@@ -214,7 +214,6 @@ class TypedLazyLoadRelationColumn<DataType, enable_if_number_or_decimal<DataType
     in_ = in;
     field_id_ = field_id;
     AdvanceTo(0);
-    has_null_ = TypedRelationColumn<DataType>::HasNull();
     return arrow::Status::OK();
   };
 
@@ -288,7 +287,6 @@ class TypedLazyLoadRelationColumn<DataType, enable_if_string_like<DataType>>
     in_ = in;
     field_id_ = field_id;
     AdvanceTo(0);
-    has_null_ = TypedRelationColumn<DataType>::HasNull();
     return arrow::Status::OK();
   };