do not copy .so files to python dir
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f6c45db..1311df2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -39,10 +39,3 @@
   OWNER_WRITE OWNER_READ OWNER_EXECUTE
   GROUP_READ GROUP_EXECUTE
   WORLD_READ WORLD_EXECUTE)
-
-if(BUILD_PYTHON)
-  message(STATUS "Copy ${target} library to python directory for testing")
-  add_custom_command(TARGET ${target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_BINARY_DIR}/lib*" "${PROJECT_BINARY_DIR}/python/test")
-  add_custom_command(TARGET ${target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_BINARY_DIR}/lib*" "${PROJECT_BINARY_DIR}/python/benchmark")
-  add_custom_command(TARGET ${target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_BINARY_DIR}/lib*" "${PROJECT_BINARY_DIR}/python/examples")  
-endif(BUILD_PYTHON)