diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d08bbe..aadc39c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,6 @@ add_subdirectory(mission)
 add_subdirectory(test)
 add_subdirectory(config)
 add_subdirectory(utility)
-add_subdirectory(common)
 
 target_include_directories(${TARGET_NAME} PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}