diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index b344ca77fe4e9..3a26ffba715b6 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -453,7 +453,6 @@ if (current_toolchain == default_toolchain) {
       "__memory/ranges_uninitialized_algorithms.h",
       "__memory/raw_storage_iterator.h",
       "__memory/shared_ptr.h",
-      "__memory/swap_allocator.h",
       "__memory/temporary_buffer.h",
       "__memory/uninitialized_algorithms.h",
       "__memory/unique_ptr.h",