diff --git a/paddlespeech/emo/__init__.py b/paddlespeech/emo/__init__.py
deleted file mode 100644
index 185a92b8d94d3426d616c0624f0f2ee04339349e..0000000000000000000000000000000000000000
--- a/paddlespeech/emo/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
-#
-# 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.
diff --git a/paddlespeech/kws/__init__.py b/paddlespeech/kws/__init__.py
deleted file mode 100644
index 185a92b8d94d3426d616c0624f0f2ee04339349e..0000000000000000000000000000000000000000
--- a/paddlespeech/kws/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
-#
-# 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.
diff --git a/speechnn/.gitignore b/speechnn/.gitignore
deleted file mode 100644
index 378eac25d311703f3f2cd456d8036da525cd0366..0000000000000000000000000000000000000000
--- a/speechnn/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-build
diff --git a/speechnn/CMakeLists.txt b/speechnn/CMakeLists.txt
deleted file mode 100644
index 88182eb4cf67f9a19ac5c3ff22e69bde5da11708..0000000000000000000000000000000000000000
--- a/speechnn/CMakeLists.txt
+++ /dev/null
@@ -1,56 +0,0 @@
-cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
-
-project(speechnn VERSION 0.1)
-
-if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
-  set(CMAKE_INSTALL_PREFIX ${CMAKE_CURRENT_SOURCE_DIR}/src CACHE PATH "Install path prefix." FORCE)
-endif(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
-set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake;${CMAKE_MODULE_PATH}")
-
-# include file 
-include(cmake/third_party.cmake)
-
-
-set(CMAKE_VERBOSE_MAKEFILE on)
-# set std-14
-set(CMAKE_CXX_STANDARD 14)
-
-
-# # fc_patch dir
-# set(FETCHCONTENT_QUIET off)
-# get_filename_component(fc_patch "fc_patch" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
-# set(FETCHCONTENT_BASE_DIR ${fc_patch})
-# 
-# 
-# ###############################################################################
-# # Option Configurations
-# ###############################################################################
-# # option configurations 
-# option(TEST_DEBUG "option for debug" OFF)
-# 
-# 
-# ###############################################################################
-# # Add local library
-# ###############################################################################
-# # system lib 
-# find_package()
-# # if dir have CmakeLists.txt 
-# add_subdirectory()
-# # if dir do not have CmakeLists.txt 
-# add_library(lib_name STATIC file.cc)
-# target_link_libraries(lib_name item0 item1)
-# add_dependencies(lib_name depend-target)
-# 
-# 
-# ###############################################################################
-# # Library installation
-# ###############################################################################
-# install()
-# 
-# 
-# ###############################################################################
-# # Build binary file
-# ###############################################################################
-# add_executable()
-# target_link_libraries()
-# 
diff --git a/speechnn/cmake/third_party.cmake b/speechnn/cmake/third_party.cmake
deleted file mode 100644
index fdd7b53c2113ce839cdd26858676f5b18f5ef0da..0000000000000000000000000000000000000000
--- a/speechnn/cmake/third_party.cmake
+++ /dev/null
@@ -1,197 +0,0 @@
-include(ExternalProject)
-# Creat a target named "third_party", which can compile external dependencies on all platform(windows/linux/mac)
-
-set(THIRD_PARTY_PATH  "${CMAKE_BINARY_DIR}/third_party" CACHE STRING
-    "A path setting third party libraries download & build directories.")
-set(THIRD_PARTY_CACHE_PATH     "${CMAKE_SOURCE_DIR}"    CACHE STRING
-    "A path cache third party source code to avoid repeated download.")
-
-set(THIRD_PARTY_BUILD_TYPE Release)
-set(third_party_deps)
-
-
-# cache funciton to avoid repeat download code of third_party.
-# This function has 4 parameters, URL / REPOSITOR / TAG / DIR:
-# 1. URL:           specify download url of 3rd party
-# 2. REPOSITORY:    specify git REPOSITORY of 3rd party
-# 3. TAG:           specify git tag/branch/commitID of 3rd party
-# 4. DIR:           overwrite the original SOURCE_DIR when cache directory
-#
-# The function Return 1 PARENT_SCOPE variables:
-#  - ${TARGET}_DOWNLOAD_CMD: Simply place "${TARGET}_DOWNLOAD_CMD" in ExternalProject_Add,
-#                            and you no longer need to set any donwnload steps in ExternalProject_Add.
-# For example:
-#    Cache_third_party(${TARGET}
-#            REPOSITORY ${TARGET_REPOSITORY}
-#            TAG        ${TARGET_TAG}
-#            DIR        ${TARGET_SOURCE_DIR})
-
-FUNCTION(cache_third_party TARGET)
-    SET(options "")
-    SET(oneValueArgs URL REPOSITORY TAG DIR)
-    SET(multiValueArgs "")
-    cmake_parse_arguments(cache_third_party "${optionps}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
-
-    STRING(REPLACE "extern_" "" TARGET_NAME ${TARGET})
-    STRING(REGEX REPLACE "[0-9]+" "" TARGET_NAME ${TARGET_NAME})
-    STRING(TOUPPER ${TARGET_NAME} TARGET_NAME)
-    IF(cache_third_party_REPOSITORY)
-        SET(${TARGET_NAME}_DOWNLOAD_CMD
-                GIT_REPOSITORY  ${cache_third_party_REPOSITORY})
-        IF(cache_third_party_TAG)
-            LIST(APPEND   ${TARGET_NAME}_DOWNLOAD_CMD
-                    GIT_TAG     ${cache_third_party_TAG})
-        ENDIF()
-    ELSEIF(cache_third_party_URL)
-        SET(${TARGET_NAME}_DOWNLOAD_CMD
-                URL             ${cache_third_party_URL})
-    ELSE()
-        MESSAGE(FATAL_ERROR    "Download link (Git repo or URL) must be specified for cache!")
-    ENDIF()
-    IF(WITH_TP_CACHE)
-        IF(NOT cache_third_party_DIR)
-            MESSAGE(FATAL_ERROR   "Please input the ${TARGET_NAME}_SOURCE_DIR for overwriting when -DWITH_TP_CACHE=ON")
-        ENDIF()
-        # Generate and verify cache dir for third_party source code
-        SET(cache_third_party_REPOSITORY ${cache_third_party_REPOSITORY} ${cache_third_party_URL})
-        IF(cache_third_party_REPOSITORY AND cache_third_party_TAG)
-            STRING(MD5 HASH_REPO ${cache_third_party_REPOSITORY})
-            STRING(MD5 HASH_GIT ${cache_third_party_TAG})
-            STRING(SUBSTRING ${HASH_REPO} 0 8 HASH_REPO)
-            STRING(SUBSTRING ${HASH_GIT} 0 8 HASH_GIT)
-            STRING(CONCAT HASH ${HASH_REPO} ${HASH_GIT})
-            # overwrite the original SOURCE_DIR when cache directory
-            SET(${cache_third_party_DIR} ${THIRD_PARTY_CACHE_PATH}/third_party/${TARGET}_${HASH})
-        ELSEIF(cache_third_party_REPOSITORY)
-            STRING(MD5 HASH_REPO ${cache_third_party_REPOSITORY})
-            STRING(SUBSTRING ${HASH_REPO} 0 16 HASH)
-            # overwrite the original SOURCE_DIR when cache directory
-            SET(${cache_third_party_DIR} ${THIRD_PARTY_CACHE_PATH}/third_party/${TARGET}_${HASH})
-        ENDIF()
-
-        IF(EXISTS ${${cache_third_party_DIR}})
-            # judge whether the cache dir is empty
-            FILE(GLOB files ${${cache_third_party_DIR}}/*)
-            LIST(LENGTH files files_len)
-            IF(files_len GREATER 0)
-                list(APPEND ${TARGET_NAME}_DOWNLOAD_CMD DOWNLOAD_COMMAND "")
-            ENDIF()
-        ENDIF()
-        SET(${cache_third_party_DIR} ${${cache_third_party_DIR}} PARENT_SCOPE)
-    ENDIF()
-
-    # Pass ${TARGET_NAME}_DOWNLOAD_CMD to parent scope, the double quotation marks can't be removed
-    SET(${TARGET_NAME}_DOWNLOAD_CMD "${${TARGET_NAME}_DOWNLOAD_CMD}" PARENT_SCOPE)
-ENDFUNCTION()
-
-MACRO(UNSET_VAR VAR_NAME)
-    UNSET(${VAR_NAME} CACHE)
-    UNSET(${VAR_NAME})
-ENDMACRO()
-
-# Funciton to Download the dependencies during compilation
-# This function has 2 parameters, URL / DIRNAME:
-# 1. URL:           The download url of 3rd dependencies
-# 2. NAME:          The name of file, that determin the dirname
-#
-FUNCTION(file_download_and_uncompress URL NAME)
-  set(options "")
-  set(oneValueArgs MD5)
-  set(multiValueArgs "")
-  cmake_parse_arguments(URL "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
-  MESSAGE(STATUS "Download dependence[${NAME}] from ${URL}, MD5: ${URL_MD5}")
-  SET(${NAME}_INCLUDE_DIR ${THIRD_PARTY_PATH}/${NAME}/data PARENT_SCOPE)
-  ExternalProject_Add(
-      download_${NAME}
-      ${EXTERNAL_PROJECT_LOG_ARGS}
-      PREFIX                ${THIRD_PARTY_PATH}/${NAME}
-      URL                   ${URL}
-      URL_MD5               ${URL_MD5}
-      TIMEOUT               120
-      DOWNLOAD_DIR          ${THIRD_PARTY_PATH}/${NAME}/data/
-      SOURCE_DIR            ${THIRD_PARTY_PATH}/${NAME}/data/
-      DOWNLOAD_NO_PROGRESS  1
-      CONFIGURE_COMMAND     ""
-      BUILD_COMMAND         ""
-      UPDATE_COMMAND        ""
-      INSTALL_COMMAND       ""
-    )
-  set(third_party_deps ${third_party_deps} download_${NAME} PARENT_SCOPE)
-ENDFUNCTION()
-
-
-# Correction of flags on different Platform(WIN/MAC) and Print Warning Message
-if (APPLE)
-    if(WITH_MKL)
-        MESSAGE(WARNING
-            "Mac is not supported with MKL in Paddle yet. Force WITH_MKL=OFF.")
-        set(WITH_MKL OFF CACHE STRING "Disable MKL for building on mac" FORCE)
-    endif()
-endif()
-
-if(WIN32 OR APPLE)
-    MESSAGE(STATUS "Disable XBYAK in Windows and MacOS")
-    SET(WITH_XBYAK OFF CACHE STRING "Disable XBYAK in Windows and MacOS" FORCE)
-
-    if(WITH_LIBXSMM)
-        MESSAGE(WARNING
-            "Windows, Mac are not supported with libxsmm in Paddle yet."
-            "Force WITH_LIBXSMM=OFF")
-        SET(WITH_LIBXSMM OFF CACHE STRING "Disable LIBXSMM in Windows and MacOS" FORCE)
-    endif()
-
-    if(WITH_BOX_PS)
-        MESSAGE(WARNING
-            "Windows or Mac is not supported with BOX_PS in Paddle yet."
-            "Force WITH_BOX_PS=OFF")
-        SET(WITH_BOX_PS OFF CACHE STRING "Disable BOX_PS package in Windows and MacOS" FORCE)
-    endif()
-
-    if(WITH_PSLIB)
-        MESSAGE(WARNING
-            "Windows or Mac is not supported with PSLIB in Paddle yet."
-            "Force WITH_PSLIB=OFF")
-        SET(WITH_PSLIB OFF CACHE STRING "Disable PSLIB package in Windows and MacOS" FORCE)
-    endif()
-
-    if(WITH_LIBMCT)
-        MESSAGE(WARNING
-            "Windows or Mac is not supported with LIBMCT in Paddle yet."
-            "Force WITH_LIBMCT=OFF")
-        SET(WITH_LIBMCT OFF CACHE STRING "Disable LIBMCT package in Windows and MacOS" FORCE)
-    endif()
-
-    if(WITH_PSLIB_BRPC)
-        MESSAGE(WARNING
-            "Windows or Mac is not supported with PSLIB_BRPC in Paddle yet."
-            "Force WITH_PSLIB_BRPC=OFF")
-        SET(WITH_PSLIB_BRPC OFF CACHE STRING "Disable PSLIB_BRPC package in Windows and MacOS" FORCE)
-    endif()
-endif()
-
-set(WITH_MKLML ${WITH_MKL})
-if(NOT DEFINED WITH_MKLDNN)
-    if(WITH_MKL AND AVX2_FOUND)
-        set(WITH_MKLDNN ON)
-    else()
-        message(STATUS "Do not have AVX2 intrinsics and disabled MKL-DNN")
-        set(WITH_MKLDNN OFF)
-    endif()
-endif()
-
-if(WIN32 OR APPLE OR NOT WITH_GPU OR ON_INFER)
-    set(WITH_DGC OFF)
-endif()
-
-if(${CMAKE_VERSION} VERSION_GREATER "3.5.2")
-    set(SHALLOW_CLONE "GIT_SHALLOW TRUE") # adds --depth=1 arg to git clone of External_Projects
-endif()
-
-
-########################### include third_party according to flags ###############################
-include(third_party/libsndfile)      # download, build, install libsndfile 
-include(third_party/boost)     # download boost
-include(third_party/eigen)     # download eigen3
-include(third_party/threadpool)     # download threadpool 
-
-
diff --git a/speechnn/cmake/third_party/absl.cmake b/speechnn/cmake/third_party/absl.cmake
deleted file mode 100644
index c2a8eceb5d0525f66bab278bd9429734467da702..0000000000000000000000000000000000000000
--- a/speechnn/cmake/third_party/absl.cmake
+++ /dev/null
@@ -1,13 +0,0 @@
-cmake_minimum_required(VERSION 3.14)
-include(ExternalProject)
-include(FetchContent)
-
-FetchContent_Declare(
-  absl
-  GIT_REPOSITORY "https://github.com/abseil/abseil-cpp.git"
-  GIT_TAG "20210324.1"
-)
-
-FetchContent_MakeAvailable(absl)
-
-
diff --git a/speechnn/cmake/third_party/boost.cmake b/speechnn/cmake/third_party/boost.cmake
deleted file mode 100644
index eb0b2c150031dae090a1292829fb6e3636dd0667..0000000000000000000000000000000000000000
--- a/speechnn/cmake/third_party/boost.cmake
+++ /dev/null
@@ -1,49 +0,0 @@
-include(ExternalProject)
-
-set(BOOST_PROJECT       "extern_boost")
-# To release PaddlePaddle as a pip package, we have to follow the
-# manylinux1 standard, which features as old Linux kernels and
-# compilers as possible and recommends CentOS 5. Indeed, the earliest
-# CentOS version that works with NVIDIA CUDA is CentOS 6.  And a new
-# version of boost, say, 1.66.0, doesn't build on CentOS 6.  We
-# checked that the devtools package of CentOS 6 installs boost 1.41.0.
-# So we use 1.41.0 here.
-set(BOOST_VER   "1.41.0")
-set(BOOST_TAR   "boost_1_41_0" CACHE STRING "" FORCE)
-set(BOOST_URL   "http://paddlepaddledeps.bj.bcebos.com/${BOOST_TAR}.tar.gz" CACHE STRING "" FORCE)
-
-MESSAGE(STATUS "BOOST_VERSION: ${BOOST_VER}, BOOST_URL: ${BOOST_URL}")
-
-set(BOOST_PREFIX_DIR ${THIRD_PARTY_PATH}/boost)
-set(BOOST_SOURCE_DIR ${THIRD_PARTY_PATH}/boost/src/extern_boost)
-cache_third_party(${BOOST_PROJECT}
-        URL       ${BOOST_URL}
-        DIR       BOOST_SOURCE_DIR)
-
-set(BOOST_INCLUDE_DIR "${BOOST_SOURCE_DIR}" CACHE PATH "boost include directory." FORCE)
-set_directory_properties(PROPERTIES CLEAN_NO_CUSTOM 1)
-include_directories(${BOOST_INCLUDE_DIR})
-
-if(WIN32 AND MSVC_VERSION GREATER_EQUAL 1600)
-    add_definitions(-DBOOST_HAS_STATIC_ASSERT)
-endif()
-
-ExternalProject_Add(
-    ${BOOST_PROJECT}
-    ${EXTERNAL_PROJECT_LOG_ARGS}
-    "${BOOST_DOWNLOAD_CMD}"
-    URL_MD5               f891e8c2c9424f0565f0129ad9ab4aff
-    PREFIX                ${BOOST_PREFIX_DIR}
-    DOWNLOAD_DIR          ${BOOST_SOURCE_DIR}
-    SOURCE_DIR            ${BOOST_SOURCE_DIR}
-    DOWNLOAD_NO_PROGRESS  1
-    CONFIGURE_COMMAND     ""
-    BUILD_COMMAND         ""
-    INSTALL_COMMAND       ""
-    UPDATE_COMMAND        ""
-    )
-
-add_library(boost INTERFACE)
-
-add_dependencies(boost ${BOOST_PROJECT})
-set(Boost_INCLUDE_DIR ${BOOST_INCLUDE_DIR})
diff --git a/speechnn/cmake/third_party/eigen.cmake b/speechnn/cmake/third_party/eigen.cmake
deleted file mode 100644
index 6a03230712d044756c9c254661130e34ce436f7e..0000000000000000000000000000000000000000
--- a/speechnn/cmake/third_party/eigen.cmake
+++ /dev/null
@@ -1,53 +0,0 @@
-include(ExternalProject)
-
-# update eigen to the commit id f612df27 on 03/16/2021
-set(EIGEN_PREFIX_DIR ${THIRD_PARTY_PATH}/eigen3)
-set(EIGEN_SOURCE_DIR ${THIRD_PARTY_PATH}/eigen3/src/extern_eigen3)
-set(EIGEN_REPOSITORY https://gitlab.com/libeigen/eigen.git)
-set(EIGEN_TAG        f612df273689a19d25b45ca4f8269463207c4fee)
-
-cache_third_party(extern_eigen3
-    REPOSITORY    ${EIGEN_REPOSITORY}
-    TAG           ${EIGEN_TAG}
-    DIR           EIGEN_SOURCE_DIR)
-
-if(WIN32)
-    add_definitions(-DEIGEN_STRONG_INLINE=inline)
-elseif(LINUX)
-    if(WITH_ROCM)
-        # For HIPCC Eigen::internal::device::numeric_limits is not EIGEN_DEVICE_FUNC
-        # which will cause compiler error of using __host__ funciont in __host__ __device__
-        file(TO_NATIVE_PATH ${PADDLE_SOURCE_DIR}/patches/eigen/Meta.h native_src)
-        file(TO_NATIVE_PATH ${EIGEN_SOURCE_DIR}/Eigen/src/Core/util/Meta.h native_dst)
-        file(TO_NATIVE_PATH ${PADDLE_SOURCE_DIR}/patches/eigen/TensorReductionGpu.h native_src1)
-        file(TO_NATIVE_PATH ${EIGEN_SOURCE_DIR}/unsupported/Eigen/CXX11/src/Tensor/TensorReductionGpu.h native_dst1)
-        set(EIGEN_PATCH_COMMAND cp ${native_src} ${native_dst} && cp ${native_src1} ${native_dst1})
-    endif()
-endif()
-
-set(EIGEN_INCLUDE_DIR ${EIGEN_SOURCE_DIR})
-INCLUDE_DIRECTORIES(${EIGEN_INCLUDE_DIR})
-
-ExternalProject_Add(
-    extern_eigen3
-    ${EXTERNAL_PROJECT_LOG_ARGS}
-    ${SHALLOW_CLONE}
-    "${EIGEN_DOWNLOAD_CMD}"
-    PREFIX          ${EIGEN_PREFIX_DIR}
-    SOURCE_DIR      ${EIGEN_SOURCE_DIR}
-    UPDATE_COMMAND    ""
-    PATCH_COMMAND     ${EIGEN_PATCH_COMMAND}
-    CONFIGURE_COMMAND ""
-    BUILD_COMMAND     ""
-    INSTALL_COMMAND   ""
-    TEST_COMMAND      ""
-)
-
-add_library(eigen3 INTERFACE)
-
-add_dependencies(eigen3 extern_eigen3)
-
-# sw not support thread_local semantic
-if(WITH_SW)
-  add_definitions(-DEIGEN_AVOID_THREAD_LOCAL)
-endif()
diff --git a/speechnn/cmake/third_party/libsndfile.cmake b/speechnn/cmake/third_party/libsndfile.cmake
deleted file mode 100644
index 05d5c6ed41867d564208926122dc1f1ad8d10657..0000000000000000000000000000000000000000
--- a/speechnn/cmake/third_party/libsndfile.cmake
+++ /dev/null
@@ -1,11 +0,0 @@
-cmake_minimum_required(VERSION 3.14)
-include(ExternalProject)
-include(FetchContent)
-
-FetchContent_Declare(
-        libsndfile 
-        GIT_REPOSITORY  https://github.com/libsndfile/libsndfile.git
-        GIT_TAG         v1.0.30 # tag v1.0.30
-)
-
-FetchContent_GetProperties(libsndfile)
diff --git a/speechnn/cmake/third_party/openfst.cmake b/speechnn/cmake/third_party/openfst.cmake
deleted file mode 100644
index 39f335a1cb9fc38d10d41bedd83731a78e2db1b6..0000000000000000000000000000000000000000
--- a/speechnn/cmake/third_party/openfst.cmake
+++ /dev/null
@@ -1,26 +0,0 @@
-cmake_minimum_required(VERSION 3.14)
-include(ExternalProject)
-include(FetchContent)
-
-FetchContent_Declare(
-        openfst
-        GIT_REPOSITORY  https://github.com/kkm000/openfst
-        GIT_TAG         338225416178ac36b8002d70387f5556e44c8d05 # tag win/1.7.2.1
-)
-
-FetchContent_GetProperties(openfst)
-if(NOT openfst_POPULATED)
-    FetchContent_Populate(openfst)
-    include_directories(${openfst_SOURCE_DIR}/src/include)
-
-    add_subdirectory(${openfst_SOURCE_DIR} ${openfst_BINARY_DIR})
-
-    install(DIRECTORY ${openfst_SOURCE_DIR}/src/include/ DESTINATION include/
-            FILES_MATCHING PATTERN "*.h")
-
-    install(TARGETS fst
-            EXPORT kaldi-targets
-            ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-            LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-            RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
-endif()
diff --git a/speechnn/cmake/third_party/openfst_lib_target.cmake b/speechnn/cmake/third_party/openfst_lib_target.cmake
deleted file mode 100644
index dde5efc402a0637041ec41c167fcc3d005837a18..0000000000000000000000000000000000000000
--- a/speechnn/cmake/third_party/openfst_lib_target.cmake
+++ /dev/null
@@ -1,31 +0,0 @@
-if(NOT OPENFST_ROOT_DIR)
-    message(FATAL_ERROR)
-endif()
-
-set(fst_source_dir ${OPENFST_ROOT_DIR}/src/lib)
-set(fst_include_dir ${OPENFST_ROOT_DIR}/src/include)
-
-include_directories(${fst_include_dir})
-file(GLOB fst_sources "${fst_source_dir}/*.cc")
-
-add_library(fst ${fst_sources})
-target_include_directories(fst PUBLIC
-     $<BUILD_INTERFACE:${fst_include_dir}>
-     $<INSTALL_INTERFACE:include/openfst>
-)
-
-install(TARGETS fst
-    EXPORT kaldi-targets
-    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-)
-
-install(DIRECTORY ${fst_include_dir}/fst
-    DESTINATION include/openfst
-    PATTERN "test/*.h" EXCLUDE
-)
-
-unset(fst_source_dir)
-unset(fst_include_dir)
-unset(fst_sources)
diff --git a/speechnn/cmake/third_party/threadpool.cmake b/speechnn/cmake/third_party/threadpool.cmake
deleted file mode 100644
index d2c249e9bd975ade390e2bdc23b989d533d1e099..0000000000000000000000000000000000000000
--- a/speechnn/cmake/third_party/threadpool.cmake
+++ /dev/null
@@ -1,36 +0,0 @@
-INCLUDE(ExternalProject)
-
-SET(THREADPOOL_PREFIX_DIR ${THIRD_PARTY_PATH}/threadpool)
-SET(THREADPOOL_SOURCE_DIR ${THIRD_PARTY_PATH}/threadpool/src/extern_threadpool)
-if(WITH_ASCEND OR WITH_ASCEND_CL)
-    SET(THREADPOOL_REPOSITORY https://gitee.com/tianjianhe/ThreadPool.git)
-else()
-    SET(THREADPOOL_REPOSITORY ${GIT_URL}/progschj/ThreadPool.git)
-endif()
-SET(THREADPOOL_TAG        9a42ec1329f259a5f4881a291db1dcb8f2ad9040)
-
-cache_third_party(extern_threadpool
-    REPOSITORY   ${THREADPOOL_REPOSITORY}
-    TAG          ${THREADPOOL_TAG}
-    DIR          THREADPOOL_SOURCE_DIR)
-
-SET(THREADPOOL_INCLUDE_DIR ${THREADPOOL_SOURCE_DIR})
-INCLUDE_DIRECTORIES(${THREADPOOL_INCLUDE_DIR})
-
-ExternalProject_Add(
-    extern_threadpool
-    ${EXTERNAL_PROJECT_LOG_ARGS}
-    ${SHALLOW_CLONE}
-    "${THREADPOOL_DOWNLOAD_CMD}"
-    PREFIX          ${THREADPOOL_PREFIX_DIR}
-    SOURCE_DIR      ${THREADPOOL_SOURCE_DIR}
-    UPDATE_COMMAND  ""
-    CONFIGURE_COMMAND ""
-    BUILD_COMMAND     ""
-    INSTALL_COMMAND   ""
-    TEST_COMMAND      ""
-)
-
-add_library(simple_threadpool INTERFACE)
-
-add_dependencies(simple_threadpool extern_threadpool)
diff --git a/speechnn/cmake/third_party/version.cmake b/speechnn/cmake/third_party/version.cmake
deleted file mode 100644
index c3780ee69f1f6f5e80250069a9ba3c6e4a44690f..0000000000000000000000000000000000000000
--- a/speechnn/cmake/third_party/version.cmake
+++ /dev/null
@@ -1,15 +0,0 @@
-function(get_version)
-    file(READ ${CMAKE_CURRENT_SOURCE_DIR}/src/.version version)
-    string(STRIP ${version} version)
-    execute_process(COMMAND git log -n1 --format=%H src/.version
-                    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-                    OUTPUT_VARIABLE version_commit
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-    execute_process(COMMAND git rev-list --count "${version_commit}..HEAD"
-                    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-                    OUTPUT_VARIABLE patch_number)
-    string(STRIP ${patch_number} patch_number)
-
-    set(KALDI_VERSION ${version} PARENT_SCOPE)
-    set(KALDI_PATCH_NUMBER ${patch_number} PARENT_SCOPE)
-endfunction()
diff --git a/speechnn/core/transformers/.gitkeep b/speechnn/core/transformers/.gitkeep
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/core/transformers/README.md b/speechnn/core/transformers/README.md
deleted file mode 100644
index edbcb9cc377939e0f98b1c5e7d077aa97e3c2787..0000000000000000000000000000000000000000
--- a/speechnn/core/transformers/README.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# Fast Transformers for Speech
-
-- Conformer
-- Transformer
-
-## Reference
-
-* https://github.com/NVIDIA/FasterTransformer.git
-* https://github.com/idiap/fast-transformers
diff --git a/speechnn/env.sh b/speechnn/env.sh
deleted file mode 100644
index c7754d65f9003f9edc5acf0e5d74c6efadbe1fa9..0000000000000000000000000000000000000000
--- a/speechnn/env.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-export MAIN_ROOT=${PWD}
-
-export PATH=${MAIN_ROOT}:${MAIN_ROOT}/utils:${PATH}:/usr/local/bin/
-export LC_ALL=C
-
-# Use UTF-8 in Python to avoid UnicodeDecodeError when LC_ALL=C
-export PYTHONIOENCODING=UTF-8
-export PYTHONPATH=${MAIN_ROOT}:${PYTHONPATH}
-
-export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/usr/local/lib/
diff --git a/speechnn/examples/.gitkeep b/speechnn/examples/.gitkeep
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/examples/CMakeLists.txt b/speechnn/examples/CMakeLists.txt
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/speechnn/CMakeLists.txt b/speechnn/speechnn/CMakeLists.txt
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/speechnn/decoder/CMakeLists.txt b/speechnn/speechnn/decoder/CMakeLists.txt
deleted file mode 100644
index 259261bdf12272f824eab99288e24a40204db3d7..0000000000000000000000000000000000000000
--- a/speechnn/speechnn/decoder/CMakeLists.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-aux_source_directory(. DIR_LIB_SRCS)
-add_library(decoder STATIC ${DIR_LIB_SRCS})
diff --git a/speechnn/speechnn/frontend/CMakeLists.txt b/speechnn/speechnn/frontend/CMakeLists.txt
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/speechnn/frontend/audio/CMakeLists.txt b/speechnn/speechnn/frontend/audio/CMakeLists.txt
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/speechnn/frontend/text/CMakeLists.txt b/speechnn/speechnn/frontend/text/CMakeLists.txt
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/speechnn/model/CMakeLists.txt b/speechnn/speechnn/model/CMakeLists.txt
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/speechnn/nn/CMakeLists.txt b/speechnn/speechnn/nn/CMakeLists.txt
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/speechnn/protocol/CMakeLists.txt b/speechnn/speechnn/protocol/CMakeLists.txt
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/speechnn/speechnn/utils/CMakeLists.txt b/speechnn/speechnn/utils/CMakeLists.txt
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000