diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index cae9c0f109..59de227548 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -235,7 +235,6 @@ DEFINE_IMPLICATION(harmony_private_methods, harmony_private_fields)
 #define HARMONY_STAGED(V)                                                  \
   HARMONY_STAGED_BASE(V)                                                   \
   V(harmony_intl_bigint, "BigInt.prototype.toLocaleString")                \
-  V(harmony_intl_datetime_style, "dateStyle timeStyle for DateTimeFormat") \
   V(harmony_intl_segmenter, "Intl.Segmenter")
 #else
 #define HARMONY_STAGED(V) HARMONY_STAGED_BASE(V)
@@ -260,8 +259,9 @@ DEFINE_IMPLICATION(harmony_private_methods, harmony_private_fields)
   V(harmony_numeric_separator, "harmony numeric separator between digits")
 
 #ifdef V8_INTL_SUPPORT
-#define HARMONY_SHIPPING(V) \
-  HARMONY_SHIPPING_BASE(V)  \
+#define HARMONY_SHIPPING(V)                                                \
+  HARMONY_SHIPPING_BASE(V)                                                 \
+  V(harmony_intl_datetime_style, "dateStyle timeStyle for DateTimeFormat") \
   V(harmony_locale, "Intl.Locale")
 #else
 #define HARMONY_SHIPPING(V) HARMONY_SHIPPING_BASE(V)