diff --git a/test/cpp/qps/server.cc b/test/cpp/qps/server.cc
index b2a4cde59fa..eb810b8d559 100644
--- a/test/cpp/qps/server.cc
+++ b/test/cpp/qps/server.cc
@@ -80,9 +80,6 @@ bool SetPayload(PayloadType type, int size, Payload* payload) {
 }
 
 class TestServiceImpl : public TestService::Service {
- private:
-  int num_rpcs;
-
  public:
   Status CollectServerStats(ServerContext* context, const StatsRequest*,
                             ServerStats* response) {