diff --git a/harness/temporalHelpers.js b/harness/temporalHelpers.js
index fa6a2db476..9859291b65 100644
--- a/harness/temporalHelpers.js
+++ b/harness/temporalHelpers.js
@@ -9,11 +9,6 @@ features: [Symbol.species, Symbol.iterator, Temporal]
 
 const ASCII_IDENTIFIER = /^[$_a-zA-Z][$_a-zA-Z0-9]*$/u;
 
-let nonDefaultCalendarId = undefined;
-try {
-  nonDefaultCalendarId = Temporal.Calendar.from("hebrew").id;
-} catch (err) {}
-
 function formatPropertyName(propertyKey, objectName = "") {
   switch (typeof propertyKey) {
     case "symbol":
@@ -41,8 +36,6 @@ function formatPropertyName(propertyKey, objectName = "") {
 const SKIP_SYMBOL = Symbol("Skip");
 
 var TemporalHelpers = {
-  nonDefaultCalendarId,
-
   /*
    * Codes and maximum lengths of months in the ISO 8601 calendar.
    */
diff --git a/test/built-ins/Temporal/PlainMonthDay/from/fields-missing-properties.js b/test/built-ins/Temporal/PlainMonthDay/from/fields-missing-properties.js
index e584c47a2b..1b932bc599 100644
--- a/test/built-ins/Temporal/PlainMonthDay/from/fields-missing-properties.js
+++ b/test/built-ins/Temporal/PlainMonthDay/from/fields-missing-properties.js
@@ -4,7 +4,6 @@
 /*---
 esid: sec-temporal.plainmonthday.from
 description: Basic tests for PlainMonthDay.from(object) with missing properties.
-includes: [temporalHelpers.js]
 features: [Temporal]
 ---*/
 
@@ -13,7 +12,3 @@ assert.throws(TypeError, () => Temporal.PlainMonthDay.from({ day: 15 }), "Only d
 assert.throws(TypeError, () => Temporal.PlainMonthDay.from({ monthCode: 'M12' }), "Only monthCode");
 assert.throws(TypeError, () => Temporal.PlainMonthDay.from({ monthCode: undefined, day: 15 }), "monthCode undefined");
 assert.throws(TypeError, () => Temporal.PlainMonthDay.from({ months: 12, day: 31 }), "months plural");
-
-if (TemporalHelpers.nonDefaultCalendarId) {
-  assert.throws(TypeError, () => Temporal.PlainMonthDay.from({ month: 11, day: 18, calendar: TemporalHelpers.nonDefaultCalendarId }), "month, day with non-iso8601 calendar");
-}
diff --git a/test/built-ins/Temporal/PlainMonthDay/prototype/with/basic.js b/test/built-ins/Temporal/PlainMonthDay/prototype/with/basic.js
index a2174ee04d..c596af7b6b 100644
--- a/test/built-ins/Temporal/PlainMonthDay/prototype/with/basic.js
+++ b/test/built-ins/Temporal/PlainMonthDay/prototype/with/basic.js
@@ -39,8 +39,3 @@ assert.throws(TypeError, () => md.with({ months: 12 }), "with({months})");
 
 TemporalHelpers.assertPlainMonthDay(md.with({ monthCode: "M12", days: 1 }),
   "M12", 15, "with({monthCode, days})");
-
-if (TemporalHelpers.nonDefaultCalendarId) {
-  const calendarMonthDay = Temporal.PlainMonthDay.from({ year: 2021, month: 1, day: 15, calendar: TemporalHelpers.nonDefaultCalendarId });
-  assert.throws(TypeError, () => calendarMonthDay.with({ month: 12 }), "nonIso8601MonthDay.with({month})");
-}
diff --git a/test/intl402/Temporal/PlainMonthDay/from/fields-missing-properties.js b/test/intl402/Temporal/PlainMonthDay/from/fields-missing-properties.js
new file mode 100644
index 0000000000..5d21db02df
--- /dev/null
+++ b/test/intl402/Temporal/PlainMonthDay/from/fields-missing-properties.js
@@ -0,0 +1,12 @@
+// Copyright (C) 2023 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.plainmonthday.from
+description: >
+  Basic tests for PlainMonthDay.from(object) with missing properties for non-ISO
+  calendars
+features: [Temporal]
+---*/
+
+assert.throws(TypeError, () => Temporal.PlainMonthDay.from({ month: 11, day: 18, calendar: "gregory" }), "month, day with non-iso8601 calendar");
diff --git a/test/intl402/Temporal/PlainMonthDay/prototype/with/fields-missing-properties.js b/test/intl402/Temporal/PlainMonthDay/prototype/with/fields-missing-properties.js
new file mode 100644
index 0000000000..79ea632f98
--- /dev/null
+++ b/test/intl402/Temporal/PlainMonthDay/prototype/with/fields-missing-properties.js
@@ -0,0 +1,12 @@
+// Copyright (C) 2023 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.plainmonthday.prototype.with
+description: >
+  Basic tests for with(object) with missing properties for non-ISO calendars
+features: [Temporal]
+---*/
+
+const calendarMonthDay = Temporal.PlainMonthDay.from({ year: 2021, month: 1, day: 15, calendar: "gregory" });
+assert.throws(TypeError, () => calendarMonthDay.with({ month: 12 }), "nonIso8601MonthDay.with({month})");