diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 6a690ba25..7893cea32 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -279,9 +279,9 @@ if(CMAKE_BUILD_TYPE STREQUAL Coverage)
 endif()
 
 if(CLI11_INSTALL_PACKAGE_TESTS)
-  set(CLI11_PACKAGE_SEARCH_LOC)
+    set(CLI11_PACKAGE_SEARCH_LOC)
 else()
-  set(CLI11_PACKAGE_SEARCH_LOC "-DCLI11_DIR=${PROJECT_BINARY_DIR}")
+    set(CLI11_PACKAGE_SEARCH_LOC "-DCLI11_DIR=${PROJECT_BINARY_DIR}")
 endif()
 
 # tests of the cmake package and pkg-config package
@@ -289,7 +289,7 @@ if(CLI11_INSTALL_PACKAGE_TESTS)
   if(NOT MSVC)
     set(package_test_command --test-command "${CMAKE_CTEST_COMMAND}")
   else() # don't try to run the tests on MSVC since that would require copying the dll's and doing
-         # some other setup that isn't that important to run on all OS
+       # some other setup that isn't that important to run on all OS
     set(package_test_command)
   endif()
 
@@ -304,23 +304,23 @@ if(CLI11_INSTALL_PACKAGE_TESTS)
   if(MSVC AND ${CMAKE_VERSION} VERSION_GREATER 3.12.9)
     # Tests for other CMake projects including and using CLI11 using find_package
     add_test(
-      NAME find-package-testsA
-      COMMAND
-        ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" -A "${CMAKE_GENERATOR_PLATFORM}"
+        NAME find-package-testsA
+        COMMAND
+            ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" -A "${CMAKE_GENERATOR_PLATFORM}"
         ${CLI11_PACKAGE_SEARCH_LOC} "-DCLI11_VERSION=${CLI11_VERSION}"
         "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}" "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
-        "-DCMAKE_RUNTIME_OUTPUT_DIRECTORY=${CMAKE_RUNTIME_OUTPUT_DIRECTORY}"
-        "${CMAKE_CURRENT_SOURCE_DIR}/find_package_tests"
+            "-DCMAKE_RUNTIME_OUTPUT_DIRECTORY=${CMAKE_RUNTIME_OUTPUT_DIRECTORY}"
+            "${CMAKE_CURRENT_SOURCE_DIR}/find_package_tests"
       WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/find_package_tests")
   else()
     add_test(
-      NAME find-package-testsA
-      COMMAND
-        ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" ${CLI11_PACKAGE_SEARCH_LOC}
-        "-DCLI11_VERSION=${CLI11_VERSION}" "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
-        "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
-        "-DCMAKE_RUNTIME_OUTPUT_DIRECTORY=${CMAKE_RUNTIME_OUTPUT_DIRECTORY}"
-        "${CMAKE_CURRENT_SOURCE_DIR}/find_package_tests"
+        NAME find-package-testsA
+        COMMAND
+            ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" ${CLI11_PACKAGE_SEARCH_LOC}
+            "-DCLI11_VERSION=${CLI11_VERSION}" "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
+            "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
+            "-DCMAKE_RUNTIME_OUTPUT_DIRECTORY=${CMAKE_RUNTIME_OUTPUT_DIRECTORY}"
+            "${CMAKE_CURRENT_SOURCE_DIR}/find_package_tests"
       WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/find_package_tests")
   endif()
 
@@ -338,29 +338,24 @@ if(CLI11_INSTALL_PACKAGE_TESTS)
   set_property(TEST find-package-testsC PROPERTY LABELS Packaging PackagingFast)
   set_property(TEST find-package-testsC PROPERTY DEPENDS find-package-testsB)
 
-  cmake_dependent_advanced_option(
-    CLI11_ENABLE_SUBPROJECT_TESTS
-    "Enable tests of using CLI11 as a subproject, potentially a slow tests" OFF
-    "CLI11_BUILD_TESTS" OFF)
-
   if(NOT MSVC)
     # Tests for other CMake projects using the package_config files
     add_test(
-      package-config-tests
-      ${CMAKE_CTEST_COMMAND}
-      -C
-      ${CLI11_PACKAGE_TEST_BUILD_TYPE}
-      --build-and-test
-      "${CMAKE_CURRENT_SOURCE_DIR}/package_config_tests"
-      "${CMAKE_CURRENT_BINARY_DIR}/package_config_tests"
-      --build-generator
-      "${CMAKE_GENERATOR}"
-      --build-generator-platform
-      "${CMAKE_GENERATOR_PLATFORM}"
-      --build-options
-      "-DCLI11_VERSION=${CLI11_VERSION}"
-      "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
-      "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
+        package-config-tests
+        ${CMAKE_CTEST_COMMAND}
+        -C
+        ${CLI11_PACKAGE_TEST_BUILD_TYPE}
+        --build-and-test
+        "${CMAKE_CURRENT_SOURCE_DIR}/package_config_tests"
+        "${CMAKE_CURRENT_BINARY_DIR}/package_config_tests"
+        --build-generator
+        "${CMAKE_GENERATOR}"
+        --build-generator-platform
+        "${CMAKE_GENERATOR_PLATFORM}"
+        --build-options
+        "-DCLI11_VERSION=${CLI11_VERSION}"
+        "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
+        "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
       ${package_test_command})
     set_property(TEST package-config-tests PROPERTY LABELS Packaging)
   endif()