diff --git a/libcxx/include/__config b/libcxx/include/__config
--- a/libcxx/include/__config
+++ b/libcxx/include/__config
@@ -1263,6 +1263,9 @@
        _Pragma("pop_macro(\"min\")")   \
        _Pragma("pop_macro(\"max\")")
 #  endif
+#  define _PSTL_PUSH_MACROS _LIBCPP_PUSH_MACROS
+#  define _PSTL_UNDEF_MACROS <__undef_macros>
+#  define _PSTL_POP_MACROS _LIBCPP_POP_MACROS
 #endif // defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
 
 #ifndef _LIBCPP_NO_AUTO_LINK
diff --git a/pstl/include/pstl/internal/algorithm_impl.h b/pstl/include/pstl/internal/algorithm_impl.h
--- a/pstl/include/pstl/internal/algorithm_impl.h
+++ b/pstl/include/pstl/internal/algorithm_impl.h
@@ -24,6 +24,11 @@
 #include "pstl_config.h"
 #include "unseq_backend_simd.h"
 
+#ifdef _PSTL_PUSH_MACROS
+_PSTL_PUSH_MACROS
+#include _PSTL_UNDEF_MACROS
+#endif
+
 _PSTL_HIDE_FROM_ABI_PUSH
 
 namespace __pstl
@@ -3816,4 +3821,8 @@
 
 _PSTL_HIDE_FROM_ABI_POP
 
+#ifdef _PSTL_PUSH_MACROS
+_PSTL_POP_MACROS
+#endif
+
 #endif /* _PSTL_ALGORITHM_IMPL_H */