diff --git a/internal/querynode/shard_cluster.go b/internal/querynode/shard_cluster.go
index d91998a19a..2d0432fab3 100644
--- a/internal/querynode/shard_cluster.go
+++ b/internal/querynode/shard_cluster.go
@@ -1087,7 +1087,5 @@ func (sc *ShardCluster) GetSegmentInfos() []shardSegmentInfo {
 }
 
 func (sc *ShardCluster) getVersion() int64 {
-	sc.mutVersion.RLock()
-	defer sc.mutVersion.RUnlock()
 	return sc.version
 }