diff --git a/test/TypeRoundTrip/round-trip.swift b/test/TypeRoundTrip/round-trip.swift
index 35c593b63acb2..1be147f1efb45 100644
--- a/test/TypeRoundTrip/round-trip.swift
+++ b/test/TypeRoundTrip/round-trip.swift
@@ -12,6 +12,8 @@
 
 // REQUIRES: executable_test
 // REQUIRES: shell
+// UNSUPPORTED: use_os_stdlib
+// UNSUPPORTED: back_deployment_runtime
 
 // CHECK-NOT: FAIL