diff --git a/libcxx/test/std/containers/sequences/array/array.cons/deduct.fail.cpp b/libcxx/test/std/containers/sequences/array/array.cons/deduct.fail.cpp
--- a/libcxx/test/std/containers/sequences/array/array.cons/deduct.fail.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.cons/deduct.fail.cpp
@@ -19,11 +19,6 @@
 #include <cassert>
 #include <cstddef>
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
-
 #include "test_macros.h"
 
 int main(int, char**)
diff --git a/libcxx/test/std/containers/sequences/array/array.cons/deduct.pass.cpp b/libcxx/test/std/containers/sequences/array/array.cons/deduct.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.cons/deduct.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.cons/deduct.pass.cpp
@@ -18,10 +18,6 @@
 #include <cassert>
 #include <cstddef>
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 #include "test_macros.h"
 
 constexpr bool tests()
diff --git a/libcxx/test/std/containers/sequences/array/array.cons/implicit_copy.pass.cpp b/libcxx/test/std/containers/sequences/array/array.cons/implicit_copy.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.cons/implicit_copy.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.cons/implicit_copy.pass.cpp
@@ -15,10 +15,6 @@
 #include <cassert>
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 // In C++03 the copy assignment operator is not deleted when the implicitly
 // generated operator would be ill-formed; like in the case of a struct with a
 // const member.
diff --git a/libcxx/test/std/containers/sequences/array/array.data/data.pass.cpp b/libcxx/test/std/containers/sequences/array/array.data/data.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.data/data.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.data/data.pass.cpp
@@ -16,10 +16,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 struct NoDefault {
     TEST_CONSTEXPR NoDefault(int) { }
 };
diff --git a/libcxx/test/std/containers/sequences/array/array.data/data_const.pass.cpp b/libcxx/test/std/containers/sequences/array/array.data/data_const.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.data/data_const.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.data/data_const.pass.cpp
@@ -16,10 +16,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 struct NoDefault {
     TEST_CONSTEXPR NoDefault(int) { }
 };
diff --git a/libcxx/test/std/containers/sequences/array/array.fill/fill.fail.cpp b/libcxx/test/std/containers/sequences/array/array.fill/fill.fail.cpp
--- a/libcxx/test/std/containers/sequences/array/array.fill/fill.fail.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.fill/fill.fail.cpp
@@ -13,10 +13,6 @@
 #include <array>
 #include <cassert>
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 int main(int, char**) {
   {
     typedef double T;
diff --git a/libcxx/test/std/containers/sequences/array/array.fill/fill.pass.cpp b/libcxx/test/std/containers/sequences/array/array.fill/fill.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.fill/fill.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.fill/fill.pass.cpp
@@ -13,10 +13,7 @@
 #include <array>
 #include <cassert>
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
 #include "test_macros.h"
-#include "disable_missing_braces_warning.h"
 
 TEST_CONSTEXPR_CXX20 bool tests()
 {
diff --git a/libcxx/test/std/containers/sequences/array/array.size/size.pass.cpp b/libcxx/test/std/containers/sequences/array/array.size/size.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.size/size.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.size/size.pass.cpp
@@ -15,10 +15,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 int main(int, char**)
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/array.special/swap.pass.cpp b/libcxx/test/std/containers/sequences/array/array.special/swap.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.special/swap.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.special/swap.pass.cpp
@@ -14,9 +14,6 @@
 #include <cassert>
 
 #include "test_macros.h"
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
 
 struct NonSwappable {
     TEST_CONSTEXPR NonSwappable() { }
diff --git a/libcxx/test/std/containers/sequences/array/array.swap/swap.fail.cpp b/libcxx/test/std/containers/sequences/array/array.swap/swap.fail.cpp
--- a/libcxx/test/std/containers/sequences/array/array.swap/swap.fail.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.swap/swap.fail.cpp
@@ -13,10 +13,6 @@
 #include <array>
 #include <cassert>
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 int main(int, char**) {
   {
     typedef double T;
diff --git a/libcxx/test/std/containers/sequences/array/array.swap/swap.pass.cpp b/libcxx/test/std/containers/sequences/array/array.swap/swap.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.swap/swap.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.swap/swap.pass.cpp
@@ -16,10 +16,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 struct NonSwappable {
     TEST_CONSTEXPR NonSwappable() { }
 private:
diff --git a/libcxx/test/std/containers/sequences/array/array.tuple/get.fail.cpp b/libcxx/test/std/containers/sequences/array/array.tuple/get.fail.cpp
--- a/libcxx/test/std/containers/sequences/array/array.tuple/get.fail.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.tuple/get.fail.cpp
@@ -18,11 +18,6 @@
 #include <array>
 #include <cassert>
 
-
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 int main(int, char**)
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/array.tuple/get.pass.cpp b/libcxx/test/std/containers/sequences/array/array.tuple/get.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.tuple/get.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.tuple/get.pass.cpp
@@ -15,11 +15,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
-
 template <typename ...T>
 TEST_CONSTEXPR std::array<int, sizeof...(T)> tempArray(T ...args)
 {
diff --git a/libcxx/test/std/containers/sequences/array/array.tuple/get_const.pass.cpp b/libcxx/test/std/containers/sequences/array/array.tuple/get_const.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.tuple/get_const.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.tuple/get_const.pass.cpp
@@ -15,10 +15,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 TEST_CONSTEXPR_CXX14 bool tests()
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/array.tuple/get_const_rv.pass.cpp b/libcxx/test/std/containers/sequences/array/array.tuple/get_const_rv.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.tuple/get_const_rv.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.tuple/get_const_rv.pass.cpp
@@ -20,10 +20,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 int main(int, char**)
 {
 
diff --git a/libcxx/test/std/containers/sequences/array/array.tuple/get_rv.pass.cpp b/libcxx/test/std/containers/sequences/array/array.tuple/get_rv.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/array.tuple/get_rv.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.tuple/get_rv.pass.cpp
@@ -17,14 +17,10 @@
 #include <utility>
 #include <cassert>
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
 #include "test_macros.h"
-#include "disable_missing_braces_warning.h"
 
 int main(int, char**)
 {
-
     {
         typedef std::unique_ptr<double> T;
         typedef std::array<T, 1> C;
diff --git a/libcxx/test/std/containers/sequences/array/array.tuple/tuple_element.fail.cpp b/libcxx/test/std/containers/sequences/array/array.tuple/tuple_element.fail.cpp
--- a/libcxx/test/std/containers/sequences/array/array.tuple/tuple_element.fail.cpp
+++ b/libcxx/test/std/containers/sequences/array/array.tuple/tuple_element.fail.cpp
@@ -18,10 +18,6 @@
 #include <array>
 #include <cassert>
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 int main(int, char**)
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/at.pass.cpp b/libcxx/test/std/containers/sequences/array/at.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/at.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/at.pass.cpp
@@ -19,11 +19,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
-
 TEST_CONSTEXPR_CXX17 bool tests()
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/at_const.pass.cpp b/libcxx/test/std/containers/sequences/array/at_const.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/at_const.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/at_const.pass.cpp
@@ -19,11 +19,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
-
 TEST_CONSTEXPR_CXX14 bool tests()
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/compare.fail.cpp b/libcxx/test/std/containers/sequences/array/compare.fail.cpp
--- a/libcxx/test/std/containers/sequences/array/compare.fail.cpp
+++ b/libcxx/test/std/containers/sequences/array/compare.fail.cpp
@@ -22,10 +22,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 template <class Array>
 void test_compare(const Array& LHS, const Array& RHS) {
   typedef std::vector<typename Array::value_type> Vector;
diff --git a/libcxx/test/std/containers/sequences/array/compare.pass.cpp b/libcxx/test/std/containers/sequences/array/compare.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/compare.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/compare.pass.cpp
@@ -22,10 +22,6 @@
 #include "test_macros.h"
 #include "test_comparisons.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 TEST_CONSTEXPR_CXX20 bool tests()
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/front_back.pass.cpp b/libcxx/test/std/containers/sequences/array/front_back.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/front_back.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/front_back.pass.cpp
@@ -16,11 +16,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
-
 TEST_CONSTEXPR_CXX17 bool tests()
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/front_back_const.pass.cpp b/libcxx/test/std/containers/sequences/array/front_back_const.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/front_back_const.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/front_back_const.pass.cpp
@@ -16,11 +16,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
-
 TEST_CONSTEXPR_CXX14 bool tests()
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/indexing.pass.cpp b/libcxx/test/std/containers/sequences/array/indexing.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/indexing.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/indexing.pass.cpp
@@ -16,11 +16,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
-
 TEST_CONSTEXPR_CXX17 bool tests()
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/indexing_const.pass.cpp b/libcxx/test/std/containers/sequences/array/indexing_const.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/indexing_const.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/indexing_const.pass.cpp
@@ -16,11 +16,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
-
 TEST_CONSTEXPR_CXX14 bool tests()
 {
     {
diff --git a/libcxx/test/std/containers/sequences/array/iterators.pass.cpp b/libcxx/test/std/containers/sequences/array/iterators.pass.cpp
--- a/libcxx/test/std/containers/sequences/array/iterators.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/iterators.pass.cpp
@@ -29,10 +29,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 struct NoDefault {
     TEST_CONSTEXPR NoDefault(int) { }
 };
diff --git a/libcxx/test/std/containers/views/span.cons/deduct.pass.cpp b/libcxx/test/std/containers/views/span.cons/deduct.pass.cpp
--- a/libcxx/test/std/containers/views/span.cons/deduct.pass.cpp
+++ b/libcxx/test/std/containers/views/span.cons/deduct.pass.cpp
@@ -36,10 +36,6 @@
 
 #include "test_macros.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 int main(int, char**)
 {
     {
diff --git a/libcxx/test/std/containers/views/span.cons/stdarray.pass.cpp b/libcxx/test/std/containers/views/span.cons/stdarray.pass.cpp
--- a/libcxx/test/std/containers/views/span.cons/stdarray.pass.cpp
+++ b/libcxx/test/std/containers/views/span.cons/stdarray.pass.cpp
@@ -27,10 +27,6 @@
 #include <string>
 
 #include "test_macros.h"
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 
 void checkCV()
 {
diff --git a/libcxx/test/std/iterators/iterator.range/begin-end.pass.cpp b/libcxx/test/std/iterators/iterator.range/begin-end.pass.cpp
--- a/libcxx/test/std/iterators/iterator.range/begin-end.pass.cpp
+++ b/libcxx/test/std/iterators/iterator.range/begin-end.pass.cpp
@@ -38,10 +38,6 @@
 #include <list>
 #include <initializer_list>
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 template<typename C>
 void test_const_container( const C & c, typename C::value_type val ) {
     assert ( std::begin(c)   == c.begin());
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/apply.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/apply.pass.cpp
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/apply.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/apply.pass.cpp
@@ -22,11 +22,6 @@
 #include "test_macros.h"
 #include "type_id.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
-
 constexpr int constexpr_sum_fn() { return 0; }
 
 template <class ...Ints>
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/apply_extended_types.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/apply_extended_types.pass.cpp
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/apply_extended_types.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/apply_extended_types.pass.cpp
@@ -21,10 +21,7 @@
 #include <utility>
 #include <cassert>
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
 #include "test_macros.h"
-#include "disable_missing_braces_warning.h"
 
 int count = 0;
 
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/make_from_tuple.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/make_from_tuple.pass.cpp
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/make_from_tuple.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.apply/make_from_tuple.pass.cpp
@@ -21,10 +21,6 @@
 #include "test_macros.h"
 #include "type_id.h"
 
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#include "disable_missing_braces_warning.h"
-
 template <class Tuple>
 struct ConstexprConstructibleFromTuple {
   template <class ...Args>
diff --git a/libcxx/test/support/disable_missing_braces_warning.h b/libcxx/test/support/disable_missing_braces_warning.h
deleted file mode 100644
--- a/libcxx/test/support/disable_missing_braces_warning.h
+++ /dev/null
@@ -1,19 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-#ifndef SUPPORT_DISABLE_MISSING_BRACES_WARNING_H
-#define SUPPORT_DISABLE_MISSING_BRACES_WARNING_H
-
-// std::array is explicitly allowed to be initialized with A a = { init-list };.
-// Disable the missing braces warning for this reason.
-#if defined(__GNUC__)
-#pragma GCC diagnostic ignored "-Wmissing-braces"
-#elif defined(__clang__)
-#pragma clang diagnostic ignored "-Wmissing-braces"
-#endif
-
-#endif // SUPPORT_DISABLE_MISSING_BRACES_WARNING_H