diff --git a/audio/CMakeLists.txt b/audio/CMakeLists.txt
index a5dfa0444442c063089ad6f1be3d7d706aa6507d..c2d64adecd3a324be8851e7cf11e401962cf4541 100644
--- a/audio/CMakeLists.txt
+++ b/audio/CMakeLists.txt
@@ -4,25 +4,11 @@ project(paddleaudio VERSION 0.1)
 
 string(FIND "${CMAKE_CXX_FLAGS}" "-std=c++" env_cxx_standard)
 
-# cmake dir
-set(paddleaudio_cmake_dir ${PROJECT_SOURCE_DIR}/cmake)
-
-# Modules
-list(APPEND CMAKE_MODULE_PATH ${paddleaudio_cmake_dir}/external)
-list(APPEND CMAKE_MODULE_PATH ${paddleaudio_cmake_dir})
-include(FetchContent)
-include(ExternalProject)
-
-# fc_patch dir
-set(FETCHCONTENT_QUIET off)
-get_filename_component(fc_patch "fc_patch" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
-set(FETCHCONTENT_BASE_DIR ${fc_patch})
-
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread -fPIC -O0 -Wall -g")
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 option(BUILD_SOX "Build libsox statically" ON)
 
+add_subdirectory(third_party)
 add_subdirectory(audio/csrc)