diff --git a/test/cpp/qps/client_async.cc b/test/cpp/qps/client_async.cc
index 0c48f08ea021fac87074c3530f4bf1dde71794c7..24f4ac696862d7cae16ac309f2836d91f5932ee5 100644
--- a/test/cpp/qps/client_async.cc
+++ b/test/cpp/qps/client_async.cc
@@ -122,9 +122,9 @@ class ClientRpcContextUnaryImpl : public ClientRpcContext {
         start_(now()),
         response_reader_(
             start_req(&context_, req_, ClientRpcContext::tag(this))) {}
-  ~ClientRpcContextUnaryImpl() override {}
-  bool operator()() override { return (this->*next_state_)(); }
-  void report_stats(gpr_histogram *hist) override {
+  ~ClientRpcContextUnaryImpl() GRPC_OVERRIDE {}
+  bool operator()() GRPC_OVERRIDE { return (this->*next_state_)(); }
+  void report_stats(gpr_histogram *hist) GRPC_OVERRIDE {
     gpr_histogram_add(hist, now() - start_);
   }
 
diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc
index b68c2c954833cbc7bffb286ce7ae3d357a06c571..67452294f98455b9e8a525671cb1d66356f495cf 100644
--- a/test/cpp/qps/server_async.cc
+++ b/test/cpp/qps/server_async.cc
@@ -199,9 +199,9 @@ class AsyncQpsServerTest {
       request_method_(&srv_ctx_, &req_, &response_writer_,
                       AsyncQpsServerTest::tag(this));
     }
-    ~ServerRpcContextUnaryImpl() override {}
-    bool operator()() override { return (this->*next_state_)(); }
-    void refresh() override {
+    ~ServerRpcContextUnaryImpl() GRPC_OVERRIDE {}
+    bool operator()() GRPC_OVERRIDE { return (this->*next_state_)(); }
+    void refresh() GRPC_OVERRIDE {
       srv_ctx_ = ServerContext();
       req_ = RequestType();
       response_writer_ =