diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index 3f8ed0bf365..cfda571326b 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -33,21 +33,21 @@
 
 #include <memory>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 #ifdef GPR_POSIX_SOCKET
diff --git a/test/cpp/end2end/client_crash_test.cc b/test/cpp/end2end/client_crash_test.cc
index 88e1d85ac59..c01f40dbc2e 100644
--- a/test/cpp/end2end/client_crash_test.cc
+++ b/test/cpp/end2end/client_crash_test.cc
@@ -31,21 +31,21 @@
  *
  */
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 #include "test/cpp/util/subprocess.h"
 
 using grpc::testing::EchoRequest;
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index 6fb16aac912..d72e93c10db 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -34,9 +34,6 @@
 #include <mutex>
 #include <thread>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
@@ -46,14 +43,17 @@
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
 #include "src/core/security/credentials.h"
+#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
+#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
-#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
-#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/cpp/util/string_ref_helper.h"
 
 using grpc::testing::EchoRequest;
diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
index 36ff6835d7c..0ace5d94183 100644
--- a/test/cpp/end2end/mock_test.cc
+++ b/test/cpp/end2end/mock_test.cc
@@ -33,21 +33,21 @@
 
 #include <thread>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
diff --git a/test/cpp/end2end/server_crash_test_client.cc b/test/cpp/end2end/server_crash_test_client.cc
index 19816505f03..1964840fa52 100644
--- a/test/cpp/end2end/server_crash_test_client.cc
+++ b/test/cpp/end2end/server_crash_test_client.cc
@@ -31,11 +31,11 @@
  *
  */
 
+#include <gflags/gflags.h>
 #include <iostream>
 #include <memory>
 #include <sstream>
 #include <string>
-#include <gflags/gflags.h>
 
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
diff --git a/test/cpp/end2end/shutdown_test.cc b/test/cpp/end2end/shutdown_test.cc
index eec43d28114..992ee980139 100644
--- a/test/cpp/end2end/shutdown_test.cc
+++ b/test/cpp/end2end/shutdown_test.cc
@@ -33,20 +33,20 @@
 
 #include <thread>
 
-#include <grpc/grpc.h>
-#include <grpc/support/sync.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/sync.h>
 #include <gtest/gtest.h>
 
 #include "src/core/support/env.h"
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
diff --git a/test/cpp/end2end/streaming_throughput_test.cc b/test/cpp/end2end/streaming_throughput_test.cc
index 61fdbe15aeb..9e82c307011 100644
--- a/test/cpp/end2end/streaming_throughput_test.cc
+++ b/test/cpp/end2end/streaming_throughput_test.cc
@@ -31,9 +31,9 @@
  *
  */
 
+#include <time.h>
 #include <mutex>
 #include <thread>
-#include <time.h>
 
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
@@ -49,10 +49,10 @@
 #include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index 594df978f18..d2b83ded67d 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc
@@ -34,21 +34,21 @@
 #include <mutex>
 #include <thread>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
 #include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
diff --git a/test/cpp/util/cli_call.cc b/test/cpp/util/cli_call.cc
index 0de388d3caa..5d70f6c26b8 100644
--- a/test/cpp/util/cli_call.cc
+++ b/test/cpp/util/cli_call.cc
@@ -35,13 +35,13 @@
 
 #include <iostream>
 
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/slice.h>
-#include <grpc++/support/byte_buffer.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/generic/generic_stub.h>
+#include <grpc++/support/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/slice.h>
 
 namespace grpc {
 namespace testing {