--- cmake/AddGoogletest.cmake.orig	2019-05-20 06:23:11.000000000 -0600
+++ cmake/AddGoogletest.cmake	2019-06-08 16:14:13.714272321 -0600
@@ -11,8 +11,6 @@ if (MSYS)
 	set(gtest_disable_pthreads ON CACHE BOOL "" FORCE)
 endif()
 set(CMAKE_SUPPRESS_DEVELOPER_WARNINGS 1 CACHE BOOL "")
-add_subdirectory("${CLI11_SOURCE_DIR}/extern/googletest" "${CLI11_BINARY_DIR}/extern/googletest" EXCLUDE_FROM_ALL)
-
 
 if(GOOGLE_TEST_INDIVIDUAL)
     if(NOT CMAKE_VERSION VERSION_LESS 3.9)
@@ -56,16 +54,6 @@ BUILD_GMOCK
 BUILD_GTEST
 )
 
-set_target_properties(gtest gtest_main gmock gmock_main
-    PROPERTIES FOLDER "Extern")
-
-foreach(TGT IN ITEMS gtest gtest_main gmock gmock_main)
-    get_property(DIR_LIST TARGET ${TGT} PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
-    foreach(ITEM IN LISTS DIR_LIST)
-        set_property(TARGET ${TGT} APPEND PROPERTY INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${ITEM}")
-    endforeach()
-endforeach()
-
 if(MSVC)
     if (MSVC_VERSION GREATER_EQUAL 1900)
         target_compile_definitions(gtest PUBLIC _SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING)
--- tests/CMakeLists.txt.orig	2019-05-20 06:23:11.000000000 -0600
+++ tests/CMakeLists.txt	2019-06-08 16:06:45.635074659 -0600
@@ -1,8 +1,3 @@
-if(NOT EXISTS "${CLI11_SOURCE_DIR}/extern/googletest/CMakeLists.txt")
-    message(FATAL_ERROR "You have requested tests be built, but googletest is not downloaded. Please run:
-    git submodule update --init")
-endif()
-
 list(APPEND CMAKE_MODULE_PATH "${CLI11_SOURCE_DIR}/cmake")
 
 # If submodule is available, add sanitizers