diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 3768bcee34528a..f75c3f0da438eb 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -279,7 +279,6 @@ if (current_toolchain == default_toolchain) {
       "__memory/auto_ptr.h",
       "__memory/compressed_pair.h",
       "__memory/construct_at.h",
-      "__memory/pointer_safety.h",
       "__memory/pointer_traits.h",
       "__memory/raw_storage_iterator.h",
       "__memory/shared_ptr.h",
diff --git a/llvm/utils/gn/secondary/libcxx/src/BUILD.gn b/llvm/utils/gn/secondary/libcxx/src/BUILD.gn
index bbdfad63aca947..6fa9ecacd6ad17 100644
--- a/llvm/utils/gn/secondary/libcxx/src/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/src/BUILD.gn
@@ -132,6 +132,7 @@ cxx_sources = [
   "ios.cpp",
   "ios.instantiations.cpp",
   "iostream.cpp",
+  "legacy_pointer_safety.cpp",
   "locale.cpp",
   "memory.cpp",
   "mutex.cpp",