diff --git a/src/struct_pack/examples/CMakeLists.txt b/src/struct_pack/examples/CMakeLists.txt
index 8658df701..3a0061b3c 100644
--- a/src/struct_pack/examples/CMakeLists.txt
+++ b/src/struct_pack/examples/CMakeLists.txt
@@ -18,5 +18,4 @@ else()
   # include_directories(include)
   # include_directories(include/ylt/thirdparty)
 endif()
-add_executable(struct_pack_example basic_usage.cpp non_aggregated_type.cpp serialize_config.cpp user_defined_serialization.cpp derived_class.cpp main.cpp)
-add_executable(test_tmp test_dervied2.cpp)
\ No newline at end of file
+add_executable(struct_pack_example basic_usage.cpp non_aggregated_type.cpp serialize_config.cpp user_defined_serialization.cpp derived_class.cpp main.cpp)
\ No newline at end of file