diff --git a/source/i18n/formatted_string_builder.h b/source/i18n/formatted_string_builder.h | |
index 4567dc1d..51690d37 100644 | |
--- a/source/i18n/formatted_string_builder.h | |
+++ b/source/i18n/formatted_string_builder.h | |
@@ -224,8 +224,10 @@ static_assert( | |
constexpr FormattedStringBuilder::Field::Field(uint8_t category, uint8_t field) | |
: bits(( | |
+#if 0 // /ICU-21081 | |
U_ASSERT(category <= 0xf), | |
U_ASSERT(field <= 0xf), | |
+#endif | |
static_cast<uint8_t>((category << 4) | field) | |
)) {} | |