diff --git a/cmake/headers.cmake b/cmake/headers.cmake
--- a/cmake/headers.cmake
+++ b/cmake/headers.cmake
@@ -25,47 +25,10 @@ set(outcome_HEADERS
   "include/outcome/detail/version.hpp"
   "include/outcome/experimental/coroutine_support.hpp"
   "include/outcome/experimental/result.h"
-  "include/outcome/experimental/status-code/include/status-code/boost_error_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/com_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/config.hpp"
-  "include/outcome/experimental/status-code/include/status-code/detail/nt_code_to_generic_code.ipp"
-  "include/outcome/experimental/status-code/include/status-code/detail/nt_code_to_win32_code.ipp"
-  "include/outcome/experimental/status-code/include/status-code/detail/win32_code_to_generic_code.ipp"
-  "include/outcome/experimental/status-code/include/status-code/error.hpp"
-  "include/outcome/experimental/status-code/include/status-code/errored_status_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/generic_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/getaddrinfo_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/http_status_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/iostream_support.hpp"
-  "include/outcome/experimental/status-code/include/status-code/nested_status_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/nt_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/posix_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/quick_status_code_from_enum.hpp"
-  "include/outcome/experimental/status-code/include/status-code/result.hpp"
-  "include/outcome/experimental/status-code/include/status-code/status_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/status_code_domain.hpp"
-  "include/outcome/experimental/status-code/include/status-code/status_error.hpp"
-  "include/outcome/experimental/status-code/include/status-code/std_error_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/system_code.hpp"
-  "include/outcome/experimental/status-code/include/status-code/system_code_from_exception.hpp"
-  "include/outcome/experimental/status-code/include/status-code/system_error2.hpp"
-  "include/outcome/experimental/status-code/include/status-code/win32_code.hpp"
   "include/outcome/experimental/status-code/single-header/system_error2-nowindows.hpp"
   "include/outcome/experimental/status-code/single-header/system_error2.hpp"
   "include/outcome/experimental/status_outcome.hpp"
   "include/outcome/experimental/status_result.hpp"
-  "include/outcome/experimental/wg14_result/include/wg14_result/all.h"
-  "include/outcome/experimental/wg14_result/include/wg14_result/all.hpp"
-  "include/outcome/experimental/wg14_result/include/wg14_result/config.h"
-  "include/outcome/experimental/wg14_result/include/wg14_result/result.h"
-  "include/outcome/experimental/wg14_result/include/wg14_result/status_code.h"
-  "include/outcome/experimental/wg14_result/include/wg14_result/status_code_domain.h"
-  "include/outcome/experimental/wg14_result/include/wg14_result/status_code_generic.h"
-  "include/outcome/experimental/wg14_result/include/wg14_result/status_code_posix.h"
-  "include/outcome/experimental/wg14_result/include/wg14_result/status_code_system.h"
-  "include/outcome/experimental/wg14_result/include/wg14_result/try.h"
-  "include/outcome/experimental/wg14_result/test/test_common.h"
-  "include/outcome/experimental/wg14_result/test/ticks_clock.h"
   "include/outcome/iostream_support.hpp"
   "include/outcome/iostream_support_result.hpp"
   "include/outcome/outcome.hpp"