diff --git a/test/Interpreter/moveonly_swiftskell.swift b/test/Interpreter/moveonly_swiftskell.swift
index 2c9127c5e6691..b93788994e795 100644
--- a/test/Interpreter/moveonly_swiftskell.swift
+++ b/test/Interpreter/moveonly_swiftskell.swift
@@ -22,6 +22,9 @@
 // Temporarily disable for back-deployment (rdar://128544927)
 // UNSUPPORTED: back_deployment_runtime
 
+// And on older OS (rdar://132936383)
+// UNSUPPORTED: use_os_stdlib
+
 import Swiftskell
 
 /// Basic noncopyable type for testing.
diff --git a/test/stdlib/ArrayBridge.swift.gyb b/test/stdlib/ArrayBridge.swift.gyb
index 936611103207b..d99410da453fb 100644
--- a/test/stdlib/ArrayBridge.swift.gyb
+++ b/test/stdlib/ArrayBridge.swift.gyb
@@ -24,6 +24,9 @@
 // Temporarily disabled on arm64 (rdar://128522114)
 // UNSUPPORTED: CPU=arm64
 
+// And on older OS (rdar://132941962)
+// UNSUPPORTED: use_os_stdlib
+
 import Foundation
 import ArrayBridgeObjC
 import StdlibUnittest