diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index f7b9ee4b0b0..f58a472bfaf 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -64,11 +64,6 @@ using std::chrono::system_clock;
     }                   \
   } while (0)
 
-namespace grpc_impl {
-
-class ResourceQuota;
-}
-
 namespace grpc {
 namespace testing {
 namespace {
diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index e308e591d1a..e30ce0dbcbf 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc
@@ -48,11 +48,6 @@ const int kNumAsyncReceiveThreads = 50;
 const int kNumAsyncServerThreads = 50;
 const int kNumRpcs = 1000;  // Number of RPCs per thread
 
-namespace grpc_impl {
-
-class ResourceQuota;
-}
-
 namespace grpc {
 namespace testing {
 
diff --git a/test/cpp/qps/server.h b/test/cpp/qps/server.h
index 3aec8644a94..89b0e3af4b2 100644
--- a/test/cpp/qps/server.h
+++ b/test/cpp/qps/server.h
@@ -34,11 +34,6 @@
 #include "test/cpp/qps/usage_timer.h"
 #include "test/cpp/util/test_credentials_provider.h"
 
-namespace grpc_impl {
-
-class ResourceQuota;
-}
-
 namespace grpc {
 namespace testing {
 
diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc
index 8f20de7e714..9343fd311e1 100644
--- a/test/cpp/qps/server_async.cc
+++ b/test/cpp/qps/server_async.cc
@@ -27,7 +27,6 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpcpp/generic/async_generic_service.h>
-//#include <grpcpp/resource_quota.h>
 #include <grpcpp/security/server_credentials.h>
 #include <grpcpp/server.h>
 #include <grpcpp/server_builder.h>