diff --git a/weed/server/master_grpc_server_volume.go b/weed/server/master_grpc_server_volume.go
index 06dbb4bb5..a2676accf 100644
--- a/weed/server/master_grpc_server_volume.go
+++ b/weed/server/master_grpc_server_volume.go
@@ -309,13 +309,7 @@ func (ms *MasterServer) VolumeMarkReadonly(ctx context.Context, req *master_pb.V
 	replicaPlacement, _ := super_block.NewReplicaPlacementFromByte(byte(req.ReplicaPlacement))
 	vl := ms.Topo.GetVolumeLayout(req.Collection, replicaPlacement, needle.LoadTTLFromUint32(req.Ttl), types.ToDiskType(req.DiskType))
 	dataNodes := ms.Topo.Lookup(req.Collection, needle.VolumeId(req.VolumeId))
-	if req.IsReadonly {
-		for _, dn := range dataNodes {
-			if dn.Ip == req.Ip && dn.Port == int(req.Port) {
 
-			}
-		}
-	}
 	for _, dn := range dataNodes {
 		if dn.Ip == req.Ip && dn.Port == int(req.Port) {
 			if req.IsReadonly {