diff --git a/BUILD b/BUILD
index 1011dd4de6f..c8c84083a88 100644
--- a/BUILD
+++ b/BUILD
@@ -1858,6 +1858,7 @@ grpc_cc_library(
         "include/grpcpp/impl/codegen/proto_buffer_reader.h",
         "include/grpcpp/impl/codegen/proto_buffer_writer.h",
         "include/grpcpp/impl/codegen/proto_utils.h",
+        "include/grpcpp/impl/proto_utils.h",
     ],
     tags = ["nofixdeps"],
     visibility = ["@grpc:public"],
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ae6bb82180e..440abc1cd4f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3460,6 +3460,7 @@ foreach(_hdr
   include/grpcpp/impl/interceptor_common.h
   include/grpcpp/impl/metadata_map.h
   include/grpcpp/impl/method_handler_impl.h
+  include/grpcpp/impl/proto_utils.h
   include/grpcpp/impl/rpc_method.h
   include/grpcpp/impl/rpc_service_method.h
   include/grpcpp/impl/serialization_traits.h
@@ -4155,6 +4156,7 @@ foreach(_hdr
   include/grpcpp/impl/interceptor_common.h
   include/grpcpp/impl/metadata_map.h
   include/grpcpp/impl/method_handler_impl.h
+  include/grpcpp/impl/proto_utils.h
   include/grpcpp/impl/rpc_method.h
   include/grpcpp/impl/rpc_service_method.h
   include/grpcpp/impl/serialization_traits.h
diff --git a/build_autogenerated.yaml b/build_autogenerated.yaml
index 09aad0f37e5..a38cd258763 100644
--- a/build_autogenerated.yaml
+++ b/build_autogenerated.yaml
@@ -2833,6 +2833,7 @@ libs:
   - include/grpcpp/impl/interceptor_common.h
   - include/grpcpp/impl/metadata_map.h
   - include/grpcpp/impl/method_handler_impl.h
+  - include/grpcpp/impl/proto_utils.h
   - include/grpcpp/impl/rpc_method.h
   - include/grpcpp/impl/rpc_service_method.h
   - include/grpcpp/impl/serialization_traits.h
@@ -3259,6 +3260,7 @@ libs:
   - include/grpcpp/impl/interceptor_common.h
   - include/grpcpp/impl/metadata_map.h
   - include/grpcpp/impl/method_handler_impl.h
+  - include/grpcpp/impl/proto_utils.h
   - include/grpcpp/impl/rpc_method.h
   - include/grpcpp/impl/rpc_service_method.h
   - include/grpcpp/impl/serialization_traits.h
diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index da1491bdfbc..e15cb638a8b 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -154,6 +154,7 @@ Pod::Spec.new do |s|
                       'include/grpcpp/impl/interceptor_common.h',
                       'include/grpcpp/impl/metadata_map.h',
                       'include/grpcpp/impl/method_handler_impl.h',
+                      'include/grpcpp/impl/proto_utils.h',
                       'include/grpcpp/impl/rpc_method.h',
                       'include/grpcpp/impl/rpc_service_method.h',
                       'include/grpcpp/impl/serialization_traits.h',
diff --git a/include/grpcpp/impl/codegen/proto_utils.h b/include/grpcpp/impl/codegen/proto_utils.h
index 9f9eb77b532..3251cec6442 100644
--- a/include/grpcpp/impl/codegen/proto_utils.h
+++ b/include/grpcpp/impl/codegen/proto_utils.h
@@ -21,101 +21,7 @@
 
 // IWYU pragma: private
 
-#include <type_traits>
-
-#include <grpc/impl/codegen/byte_buffer_reader.h>
-#include <grpc/impl/codegen/grpc_types.h>
-#include <grpc/impl/codegen/slice.h>
-#include <grpcpp/impl/codegen/config_protobuf.h>
-#include <grpcpp/impl/codegen/core_codegen_interface.h>
-#include <grpcpp/impl/codegen/proto_buffer_reader.h>
-#include <grpcpp/impl/codegen/proto_buffer_writer.h>
-#include <grpcpp/impl/codegen/serialization_traits.h>
-#include <grpcpp/impl/codegen/slice.h>
-#include <grpcpp/impl/codegen/status.h>
-#include <grpcpp/support/byte_buffer.h>
-
-/// This header provides serialization and deserialization between gRPC
-/// messages serialized using protobuf and the C++ objects they represent.
-
-namespace grpc {
-
-extern CoreCodegenInterface* g_core_codegen_interface;
-
-// ProtoBufferWriter must be a subclass of ::protobuf::io::ZeroCopyOutputStream.
-template <class ProtoBufferWriter, class T>
-Status GenericSerialize(const grpc::protobuf::MessageLite& msg, ByteBuffer* bb,
-                        bool* own_buffer) {
-  static_assert(std::is_base_of<protobuf::io::ZeroCopyOutputStream,
-                                ProtoBufferWriter>::value,
-                "ProtoBufferWriter must be a subclass of "
-                "::protobuf::io::ZeroCopyOutputStream");
-  *own_buffer = true;
-  int byte_size = static_cast<int>(msg.ByteSizeLong());
-  if (static_cast<size_t>(byte_size) <= GRPC_SLICE_INLINED_SIZE) {
-    Slice slice(byte_size);
-    // We serialize directly into the allocated slices memory
-    GPR_CODEGEN_ASSERT(slice.end() == msg.SerializeWithCachedSizesToArray(
-                                          const_cast<uint8_t*>(slice.begin())));
-    ByteBuffer tmp(&slice, 1);
-    bb->Swap(&tmp);
-
-    return g_core_codegen_interface->ok();
-  }
-  ProtoBufferWriter writer(bb, kProtoBufferWriterMaxBufferLength, byte_size);
-  return msg.SerializeToZeroCopyStream(&writer)
-             ? g_core_codegen_interface->ok()
-             : Status(StatusCode::INTERNAL, "Failed to serialize message");
-}
-
-// BufferReader must be a subclass of ::protobuf::io::ZeroCopyInputStream.
-template <class ProtoBufferReader, class T>
-Status GenericDeserialize(ByteBuffer* buffer,
-                          grpc::protobuf::MessageLite* msg) {
-  static_assert(std::is_base_of<protobuf::io::ZeroCopyInputStream,
-                                ProtoBufferReader>::value,
-                "ProtoBufferReader must be a subclass of "
-                "::protobuf::io::ZeroCopyInputStream");
-  if (buffer == nullptr) {
-    return Status(StatusCode::INTERNAL, "No payload");
-  }
-  Status result = g_core_codegen_interface->ok();
-  {
-    ProtoBufferReader reader(buffer);
-    if (!reader.status().ok()) {
-      return reader.status();
-    }
-    if (!msg->ParseFromZeroCopyStream(&reader)) {
-      result = Status(StatusCode::INTERNAL, msg->InitializationErrorString());
-    }
-  }
-  buffer->Clear();
-  return result;
-}
-
-// this is needed so the following class does not conflict with protobuf
-// serializers that utilize internal-only tools.
-#ifdef GRPC_OPEN_SOURCE_PROTO
-// This class provides a protobuf serializer. It translates between protobuf
-// objects and grpc_byte_buffers. More information about SerializationTraits can
-// be found in include/grpcpp/impl/codegen/serialization_traits.h.
-template <class T>
-class SerializationTraits<
-    T, typename std::enable_if<
-           std::is_base_of<grpc::protobuf::MessageLite, T>::value>::type> {
- public:
-  static Status Serialize(const grpc::protobuf::MessageLite& msg,
-                          ByteBuffer* bb, bool* own_buffer) {
-    return GenericSerialize<ProtoBufferWriter, T>(msg, bb, own_buffer);
-  }
-
-  static Status Deserialize(ByteBuffer* buffer,
-                            grpc::protobuf::MessageLite* msg) {
-    return GenericDeserialize<ProtoBufferReader, T>(buffer, msg);
-  }
-};
-#endif
-
-}  // namespace grpc
+/// TODO(chengyuc): Remove this file after solving compatibility.
+#include <grpcpp/impl/proto_utils.h>
 
 #endif  // GRPCPP_IMPL_CODEGEN_PROTO_UTILS_H
diff --git a/include/grpcpp/impl/proto_utils.h b/include/grpcpp/impl/proto_utils.h
new file mode 100644
index 00000000000..46a2405c205
--- /dev/null
+++ b/include/grpcpp/impl/proto_utils.h
@@ -0,0 +1,119 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPCPP_IMPL_PROTO_UTILS_H
+#define GRPCPP_IMPL_PROTO_UTILS_H
+
+#include <type_traits>
+
+#include <grpc/byte_buffer_reader.h>
+#include <grpc/impl/codegen/grpc_types.h>
+#include <grpc/slice.h>
+#include <grpcpp/impl/codegen/config_protobuf.h>
+#include <grpcpp/impl/codegen/core_codegen_interface.h>
+#include <grpcpp/impl/serialization_traits.h>
+#include <grpcpp/support/byte_buffer.h>
+#include <grpcpp/support/proto_buffer_reader.h>
+#include <grpcpp/support/proto_buffer_writer.h>
+#include <grpcpp/support/slice.h>
+#include <grpcpp/support/status.h>
+
+/// This header provides serialization and deserialization between gRPC
+/// messages serialized using protobuf and the C++ objects they represent.
+
+namespace grpc {
+
+extern CoreCodegenInterface* g_core_codegen_interface;
+
+// ProtoBufferWriter must be a subclass of ::protobuf::io::ZeroCopyOutputStream.
+template <class ProtoBufferWriter, class T>
+Status GenericSerialize(const grpc::protobuf::MessageLite& msg, ByteBuffer* bb,
+                        bool* own_buffer) {
+  static_assert(std::is_base_of<protobuf::io::ZeroCopyOutputStream,
+                                ProtoBufferWriter>::value,
+                "ProtoBufferWriter must be a subclass of "
+                "::protobuf::io::ZeroCopyOutputStream");
+  *own_buffer = true;
+  int byte_size = static_cast<int>(msg.ByteSizeLong());
+  if (static_cast<size_t>(byte_size) <= GRPC_SLICE_INLINED_SIZE) {
+    Slice slice(byte_size);
+    // We serialize directly into the allocated slices memory
+    GPR_CODEGEN_ASSERT(slice.end() == msg.SerializeWithCachedSizesToArray(
+                                          const_cast<uint8_t*>(slice.begin())));
+    ByteBuffer tmp(&slice, 1);
+    bb->Swap(&tmp);
+
+    return g_core_codegen_interface->ok();
+  }
+  ProtoBufferWriter writer(bb, kProtoBufferWriterMaxBufferLength, byte_size);
+  return msg.SerializeToZeroCopyStream(&writer)
+             ? g_core_codegen_interface->ok()
+             : Status(StatusCode::INTERNAL, "Failed to serialize message");
+}
+
+// BufferReader must be a subclass of ::protobuf::io::ZeroCopyInputStream.
+template <class ProtoBufferReader, class T>
+Status GenericDeserialize(ByteBuffer* buffer,
+                          grpc::protobuf::MessageLite* msg) {
+  static_assert(std::is_base_of<protobuf::io::ZeroCopyInputStream,
+                                ProtoBufferReader>::value,
+                "ProtoBufferReader must be a subclass of "
+                "::protobuf::io::ZeroCopyInputStream");
+  if (buffer == nullptr) {
+    return Status(StatusCode::INTERNAL, "No payload");
+  }
+  Status result = g_core_codegen_interface->ok();
+  {
+    ProtoBufferReader reader(buffer);
+    if (!reader.status().ok()) {
+      return reader.status();
+    }
+    if (!msg->ParseFromZeroCopyStream(&reader)) {
+      result = Status(StatusCode::INTERNAL, msg->InitializationErrorString());
+    }
+  }
+  buffer->Clear();
+  return result;
+}
+
+// this is needed so the following class does not conflict with protobuf
+// serializers that utilize internal-only tools.
+#ifdef GRPC_OPEN_SOURCE_PROTO
+// This class provides a protobuf serializer. It translates between protobuf
+// objects and grpc_byte_buffers. More information about SerializationTraits can
+// be found in include/grpcpp/impl/codegen/serialization_traits.h.
+template <class T>
+class SerializationTraits<
+    T, typename std::enable_if<
+           std::is_base_of<grpc::protobuf::MessageLite, T>::value>::type> {
+ public:
+  static Status Serialize(const grpc::protobuf::MessageLite& msg,
+                          ByteBuffer* bb, bool* own_buffer) {
+    return GenericSerialize<ProtoBufferWriter, T>(msg, bb, own_buffer);
+  }
+
+  static Status Deserialize(ByteBuffer* buffer,
+                            grpc::protobuf::MessageLite* msg) {
+    return GenericDeserialize<ProtoBufferReader, T>(buffer, msg);
+  }
+};
+#endif
+
+}  // namespace grpc
+
+#endif  // GRPCPP_IMPL_PROTO_UTILS_H
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index e463fef4e64..5b25a16b0ef 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -145,7 +145,7 @@ std::string GetHeaderIncludes(grpc_generator::File* file,
         "grpcpp/completion_queue.h",
         "grpcpp/support/message_allocator.h",
         "grpcpp/support/method_handler.h",
-        "grpcpp/impl/codegen/proto_utils.h",
+        "grpcpp/impl/proto_utils.h",
         "grpcpp/impl/rpc_method.h",
         "grpcpp/support/server_callback.h",
         "grpcpp/impl/server_callback_handlers.h",
diff --git a/test/cpp/codegen/compiler_test_golden b/test/cpp/codegen/compiler_test_golden
index 765b8bccfc4..303952be875 100644
--- a/test/cpp/codegen/compiler_test_golden
+++ b/test/cpp/codegen/compiler_test_golden
@@ -35,7 +35,7 @@
 #include <grpcpp/completion_queue.h>
 #include <grpcpp/support/message_allocator.h>
 #include <grpcpp/support/method_handler.h>
-#include <grpcpp/impl/codegen/proto_utils.h>
+#include <grpcpp/impl/proto_utils.h>
 #include <grpcpp/impl/rpc_method.h>
 #include <grpcpp/support/server_callback.h>
 #include <grpcpp/impl/server_callback_handlers.h>
diff --git a/test/cpp/codegen/proto_utils_test.cc b/test/cpp/codegen/proto_utils_test.cc
index 5af64968717..ffb160a2e45 100644
--- a/test/cpp/codegen/proto_utils_test.cc
+++ b/test/cpp/codegen/proto_utils_test.cc
@@ -20,8 +20,8 @@
 
 #include <grpc/byte_buffer.h>
 #include <grpc/slice.h>
-#include <grpcpp/impl/codegen/proto_utils.h>
 #include <grpcpp/impl/grpc_library.h>
+#include <grpcpp/impl/proto_utils.h>
 
 #include "test/core/util/test_config.h"
 
diff --git a/test/cpp/end2end/client_callback_end2end_test.cc b/test/cpp/end2end/client_callback_end2end_test.cc
index bed2dd37336..a783622bb51 100644
--- a/test/cpp/end2end/client_callback_end2end_test.cc
+++ b/test/cpp/end2end/client_callback_end2end_test.cc
@@ -31,7 +31,7 @@
 #include <grpcpp/client_context.h>
 #include <grpcpp/create_channel.h>
 #include <grpcpp/generic/generic_stub.h>
-#include <grpcpp/impl/codegen/proto_utils.h>
+#include <grpcpp/impl/proto_utils.h>
 #include <grpcpp/server.h>
 #include <grpcpp/server_builder.h>
 #include <grpcpp/server_context.h>
diff --git a/test/cpp/end2end/client_interceptors_end2end_test.cc b/test/cpp/end2end/client_interceptors_end2end_test.cc
index a2c995bbd97..635f6217b4c 100644
--- a/test/cpp/end2end/client_interceptors_end2end_test.cc
+++ b/test/cpp/end2end/client_interceptors_end2end_test.cc
@@ -28,7 +28,7 @@
 #include <grpcpp/create_channel.h>
 #include <grpcpp/create_channel_posix.h>
 #include <grpcpp/generic/generic_stub.h>
-#include <grpcpp/impl/codegen/proto_utils.h>
+#include <grpcpp/impl/proto_utils.h>
 #include <grpcpp/server.h>
 #include <grpcpp/server_builder.h>
 #include <grpcpp/server_context.h>
diff --git a/test/cpp/end2end/delegating_channel_test.cc b/test/cpp/end2end/delegating_channel_test.cc
index deb47dacf4a..2a8fadd90ac 100644
--- a/test/cpp/end2end/delegating_channel_test.cc
+++ b/test/cpp/end2end/delegating_channel_test.cc
@@ -25,8 +25,8 @@
 #include <grpcpp/client_context.h>
 #include <grpcpp/create_channel.h>
 #include <grpcpp/generic/generic_stub.h>
-#include <grpcpp/impl/codegen/proto_utils.h>
 #include <grpcpp/impl/delegating_channel.h>
+#include <grpcpp/impl/proto_utils.h>
 #include <grpcpp/server.h>
 #include <grpcpp/server_builder.h>
 #include <grpcpp/server_context.h>
diff --git a/test/cpp/end2end/filter_end2end_test.cc b/test/cpp/end2end/filter_end2end_test.cc
index 4ca68aef67a..a9c6bb8c55c 100644
--- a/test/cpp/end2end/filter_end2end_test.cc
+++ b/test/cpp/end2end/filter_end2end_test.cc
@@ -31,7 +31,7 @@
 #include <grpcpp/create_channel.h>
 #include <grpcpp/generic/async_generic_service.h>
 #include <grpcpp/generic/generic_stub.h>
-#include <grpcpp/impl/codegen/proto_utils.h>
+#include <grpcpp/impl/proto_utils.h>
 #include <grpcpp/server.h>
 #include <grpcpp/server_builder.h>
 #include <grpcpp/server_context.h>
diff --git a/test/cpp/end2end/generic_end2end_test.cc b/test/cpp/end2end/generic_end2end_test.cc
index d74dda6ae06..4c11ef2ce73 100644
--- a/test/cpp/end2end/generic_end2end_test.cc
+++ b/test/cpp/end2end/generic_end2end_test.cc
@@ -30,7 +30,7 @@
 #include <grpcpp/create_channel.h>
 #include <grpcpp/generic/async_generic_service.h>
 #include <grpcpp/generic/generic_stub.h>
-#include <grpcpp/impl/codegen/proto_utils.h>
+#include <grpcpp/impl/proto_utils.h>
 #include <grpcpp/server.h>
 #include <grpcpp/server_builder.h>
 #include <grpcpp/server_context.h>
diff --git a/test/cpp/end2end/server_interceptors_end2end_test.cc b/test/cpp/end2end/server_interceptors_end2end_test.cc
index 1a0ec8f3fe5..5611aec13e5 100644
--- a/test/cpp/end2end/server_interceptors_end2end_test.cc
+++ b/test/cpp/end2end/server_interceptors_end2end_test.cc
@@ -28,7 +28,7 @@
 #include <grpcpp/client_context.h>
 #include <grpcpp/create_channel.h>
 #include <grpcpp/generic/generic_stub.h>
-#include <grpcpp/impl/codegen/proto_utils.h>
+#include <grpcpp/impl/proto_utils.h>
 #include <grpcpp/server.h>
 #include <grpcpp/server_builder.h>
 #include <grpcpp/server_context.h>
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index ec092834bcf..b16d94a9a98 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -1019,6 +1019,7 @@ include/grpcpp/impl/intercepted_channel.h \
 include/grpcpp/impl/interceptor_common.h \
 include/grpcpp/impl/metadata_map.h \
 include/grpcpp/impl/method_handler_impl.h \
+include/grpcpp/impl/proto_utils.h \
 include/grpcpp/impl/rpc_method.h \
 include/grpcpp/impl/rpc_service_method.h \
 include/grpcpp/impl/serialization_traits.h \
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index bfd18171dfc..5908488b828 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -1019,6 +1019,7 @@ include/grpcpp/impl/intercepted_channel.h \
 include/grpcpp/impl/interceptor_common.h \
 include/grpcpp/impl/metadata_map.h \
 include/grpcpp/impl/method_handler_impl.h \
+include/grpcpp/impl/proto_utils.h \
 include/grpcpp/impl/rpc_method.h \
 include/grpcpp/impl/rpc_service_method.h \
 include/grpcpp/impl/serialization_traits.h \