diff --git a/be/src/exec/tablet_sink_sender.cpp b/be/src/exec/tablet_sink_sender.cpp
index efcf41b35eed4..f7c66b073d545 100644
--- a/be/src/exec/tablet_sink_sender.cpp
+++ b/be/src/exec/tablet_sink_sender.cpp
@@ -370,7 +370,6 @@ bool TabletSinkSender::get_immutable_partition_ids(std::set<int64_t>* partition_
 }
 
 Status TabletSinkSender::_write_combined_txn_log() {
-    int64_t t_start = MonotonicMillis();
     if (config::enable_put_combinded_txn_log_parallel) {
         return write_combined_txn_log(_txn_log_map);
     }