diff --git a/be/src/olap/rowset/segment_v2/inverted_index_writer.cpp b/be/src/olap/rowset/segment_v2/inverted_index_writer.cpp
index c2cc0bbbefa728..a1773874b59c93 100644
--- a/be/src/olap/rowset/segment_v2/inverted_index_writer.cpp
+++ b/be/src/olap/rowset/segment_v2/inverted_index_writer.cpp
@@ -72,7 +72,6 @@ const int32_t MERGE_FACTOR = 100000000;
 const int32_t MAX_LEAF_COUNT = 1024;
 const float MAXMBSortInHeap = 512.0 * 8;
 const int DIMS = 1;
-const std::string empty_value;
 
 template <FieldType field_type>
 class InvertedIndexColumnWriterImpl : public InvertedIndexColumnWriter {