diff --git a/paddle/operators/recv_op.cc b/paddle/operators/recv_op.cc
index f9f1c134d798a4e68a629364c17d1a59a94a7002..e007d71fbc9df27765f00161461c257fb18c2c2f 100644
--- a/paddle/operators/recv_op.cc
+++ b/paddle/operators/recv_op.cc
@@ -35,9 +35,6 @@ namespace paddle {
 namespace operators {
 
 constexpr char kOptimizeBlock[] = "OptimizeBlock";
-constexpr int kCondStart = 0;
-constexpr int kCondRunning = 1;
-constexpr int kCondDone = 2;
 
 void RunServer(std::shared_ptr<detail::AsyncGRPCServer> service) {
   service->RunSyncUpdate();