diff --git a/src/rpc_proxy_interface.h b/src/rpc_proxy_interface.h
index 4a5eb60cc65aae3f89d944e3762f4c91b1816643..3cd9742d891b839228f68b76ebcda7efa249be6e 100644
--- a/src/rpc_proxy_interface.h
+++ b/src/rpc_proxy_interface.h
@@ -95,8 +95,8 @@ buildHeader(RpcSubHeader &rheader, ServiceUUID uuid, ServiceID service_id,
 // @param proxy_id 代理实例ID
 // @param sub_id 订阅ID
 // @param transport 传输管道
-static inline void buildHeader(RpcCancelSubHeader &rheader, ServiceUUID uuid,
-                               ServiceID service_id, const SubID &sub_id,
+static inline void buildHeader(RpcCancelSubHeader &rheader, ServiceUUID /*uuid*/,
+                               ServiceID /*service_id*/, const SubID &sub_id,
                                TransportPtr transport) {
   rheader.header.length = sizeof(RpcCancelSubHeader);
   std::memcpy(rheader.sub_id, sub_id.c_str(), sub_id.size());