diff --git a/clang/foo b/clang/foo
new file mode 100644
diff --git a/libcxx/test/libcxx/clang_modules_include.gen.py b/libcxx/test/libcxx/clang_modules_include.gen.py
--- a/libcxx/test/libcxx/clang_modules_include.gen.py
+++ b/libcxx/test/libcxx/clang_modules_include.gen.py
@@ -44,11 +44,8 @@
 #include <{header}>
 """)
 
-# TODO: Remove the UNSUPPORTED{BLOCKLIT}: modules-build once issues with this test have been figured out.
 print(f"""\
 //--- __std_clang_module.compile.pass.mm
-// UNSUPPORTED{BLOCKLIT}: modules-build
-
 // RUN{BLOCKLIT}: %{{cxx}} %s %{{flags}} %{{compile_flags}} -fmodules -fcxx-modules -fmodules-cache-path=%t -fsyntax-only
 
 // REQUIRES{BLOCKLIT}: modules-build