diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index a166a0c..04d05be 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,18 +1,9 @@
 cmake_minimum_required(VERSION 3.0)
 project(test)
 
-option(BUILD_C "build hello world in C Language" OFF)
-option(BUILD_CXX "build hello world in CXX Language" ON)
-
 option(CHECK_USING_CLANG "check if target is compiled using Clang" OFF)
 
-if(BUILD_C)
-  add_executable(hello_world_c hello_world.c)
-endif()
-
-if(BUILD_CXX)
-  add_executable(hello_world hello_world.cpp)
-endif()
+add_executable(hello_world hello_world.cpp)
 
 add_executable(test_c EXCLUDE_FROM_ALL test.c)
 target_compile_definitions(test_c PRIVATE $<$<BOOL:${CHECK_USING_CLANG}>:CHECK_USING_CLANG>)
diff --git a/test/hello_world.c b/test/hello_world.c
deleted file mode 100644
index 7791fbb..0000000
--- a/test/hello_world.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <stdio.h>
-
-int main() {
-  printf("Hello world!\n");
-  return 0;
-}