diff --git a/src/cpp/server/server_cc.cc b/src/cpp/server/server_cc.cc
index 26557f5c499039d8d4b84fa1302c0905239944dc..ca89743efa9ae742aa54512fabf041321205202f 100644
--- a/src/cpp/server/server_cc.cc
+++ b/src/cpp/server/server_cc.cc
@@ -232,7 +232,6 @@ class Server::SyncRequest GRPC_FINAL : public CompletionQueueTag {
   void* const tag_;
   bool in_flight_;
   const bool has_request_payload_;
-  uint32_t incoming_flags_;
   grpc_call* call_;
   grpc_call_details* call_details_;
   gpr_timespec deadline_;