diff --git a/internal/datanode/data_sync_service.go b/internal/datanode/data_sync_service.go
index 04cbb448c56f327054168f58aecca1de92c7dc00..24376a56e711283e10e4cc41db22cf42bcfae0be 100644
--- a/internal/datanode/data_sync_service.go
+++ b/internal/datanode/data_sync_service.go
@@ -25,7 +25,6 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/milvus-io/milvus-proto/go-api/commonpb"
-	"github.com/milvus-io/milvus/internal/kv"
 	"github.com/milvus-io/milvus/internal/log"
 	"github.com/milvus-io/milvus/internal/metrics"
 	"github.com/milvus-io/milvus/internal/mq/msgdispatcher"
@@ -64,7 +63,6 @@ type dataSyncService struct {
 	chunkManager     storage.ChunkManager
 	compactor        *compactionExecutor // reference to compaction executor
 
-	kv            kv.MetaKv
 	serverID      int64
 	stopOnce      sync.Once
 	flushListener chan *segmentFlushPack // chan to listen flush event