diff --git a/Tools/PlatformMac.cmake b/Tools/PlatformMac.cmake
index 0842f57..d6eec12 100644
--- a/Tools/PlatformMac.cmake
+++ b/Tools/PlatformMac.cmake
@@ -1,4 +1,5 @@
-add_subdirectory(TestRunnerShared)
-add_subdirectory(DumpRenderTree)
-add_subdirectory(WebKitTestRunner)
-add_subdirectory(MiniBrowser/mac)
+# FIXME: https://bugs.webkit.org/show_bug.cgi?id=231776
+# add_subdirectory(TestRunnerShared)
+# add_subdirectory(DumpRenderTree)
+# add_subdirectory(WebKitTestRunner)
+# add_subdirectory(MiniBrowser/mac)