diff --git a/CMakeLists.txt b/CMakeLists.txt
index c992f5c..2035c70 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,8 +44,6 @@ message(STATUS "CMAKE_C_COMPILER=${CMAKE_C_COMPILER}")
 message(STATUS "CMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}")
 
 #pthread
-set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
-set(THREADS_PREFER_PTHREAD_FLAG TRUE)
 find_package (Threads)
 target_link_libraries (${PROJECT_NAME} Threads::Threads)