diff --git a/rpc/api.go b/rpc/api.go
index 39137d8db39aa276e1101ac1a5975fb1d581ac87..d6e9dc1b1e2d55c8b74c27aa059d9c6766263748 100644
--- a/rpc/api.go
+++ b/rpc/api.go
@@ -98,11 +98,6 @@ func (self *EthereumApi) getStateWithNum(num int64) *xeth.State {
 // 	return nil
 // }
 
-func (self *EthereumApi) FilterChanged(id int, reply *interface{}) error {
-	*reply = NewLogsRes(self.xeth().FilterChanged(id))
-	return nil
-}
-
 func (self *EthereumApi) Logs(id int, reply *interface{}) error {
 	*reply = NewLogsRes(self.xeth().Logs(id))
 
@@ -493,7 +488,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
-		return p.FilterChanged(args.Id, reply)
+		*reply = NewLogsRes(p.xeth().FilterChanged(args.Id))
 	case "eth_getFilterLogs":
 		args := new(FilterIdArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {