diff --git a/test/built-ins/Temporal/PlainYearMonth/prototype/since/arguments-missing-throws.js b/test/built-ins/Temporal/PlainYearMonth/prototype/since/arguments-missing-throws.js
index c9658ee883..865c8cb1eb 100644
--- a/test/built-ins/Temporal/PlainYearMonth/prototype/since/arguments-missing-throws.js
+++ b/test/built-ins/Temporal/PlainYearMonth/prototype/since/arguments-missing-throws.js
@@ -4,7 +4,6 @@
 /*---
 esid: sec-temporal.plainyearmonth.prototype.since
 description: Calls to PYM.since throw when missing required arguments.
-includes: [temporalHelpers.js]
 features: [Temporal]
 ---*/