diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 5d55ba72abce62..62def555a59c75 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -73,6 +73,7 @@ if (current_toolchain == default_toolchain) {
       "__hash_table",
       "__libcpp_version",
       "__locale",
+      "__memory/allocation_guard.h",
       "__memory/allocator.h",
       "__memory/allocator_traits.h",
       "__memory/auto_ptr.h",
@@ -85,7 +86,6 @@ if (current_toolchain == default_toolchain) {
       "__memory/temporary_buffer.h",
       "__memory/uninitialized_algorithms.h",
       "__memory/unique_ptr.h",
-      "__memory/utilities.h",
       "__mutex_base",
       "__node_handle",
       "__nullptr",