diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 27c7acd..8e4200e 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -3,7 +3,6 @@ project(test)
 
 option(BUILD_C "build hello world in C Language" OFF)
 option(BUILD_CXX "build hello world in CXX Language" ON)
-option(BUILD_TXT "build hello world txt file" OFF)
 
 if(BUILD_C)
   add_executable(hello_world_c hello_world.c)
@@ -12,10 +11,3 @@ endif()
 if(BUILD_CXX)
   add_executable(hello_world hello_world.cpp)
 endif()
-
-if(BUILD_TXT)
-  add_custom_target(
-    hello_world_txt ALL
-    COMMAND echo "Hello world!" >> ${CMAKE_CURRENT_BINARY_DIR}/hello_world.txt
-  )
-endif()