diff --git a/src/core/include/mp-units/bits/fixed_point.h b/src/core/include/mp-units/bits/fixed_point.h
index 66071dd1d..1a009c4f2 100644
--- a/src/core/include/mp-units/bits/fixed_point.h
+++ b/src/core/include/mp-units/bits/fixed_point.h
@@ -237,7 +237,7 @@ constexpr bool is_signed_v<double_width_int<T>> = double_width_int<T>::is_signed
 template<typename T>
 using make_signed_t = std::make_signed_t<T>;
 
-#if defined(__cpp_lib_int_pow2) && __cpp_lib_int_pow2 >= 202002L
+#if defined(__cpp_lib_int_pow2) && __cpp_lib_int_pow2 >= 202002L && false
 template<std::size_t N>
 using min_width_uint_t =
   std::tuple_element_t<std::max<std::size_t>(4u, std::bit_width(N) + (std::has_single_bit(N) ? 0u : 1u)) - 4u,