diff --git a/test/ClangImporter/enum-renames.swift b/test/ClangImporter/enum-renames.swift
index 9557b7be6ec..4f32b60eee0 100644
--- a/test/ClangImporter/enum-renames.swift
+++ b/test/ClangImporter/enum-renames.swift
@@ -1,3 +1,5 @@
+// REQUIRES: rdar127262612
+
 // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck %s -verify
 
 import enums_using_attributes
diff --git a/test/Interop/Cxx/class/protocol-conformance-typechecker.swift b/test/Interop/Cxx/class/protocol-conformance-typechecker.swift
index 05372bb748a..b422382e8bb 100644
--- a/test/Interop/Cxx/class/protocol-conformance-typechecker.swift
+++ b/test/Interop/Cxx/class/protocol-conformance-typechecker.swift
@@ -1,3 +1,5 @@
+// REQUIRES: rdar133257179
+
 // Tests that a C++ class can conform to a Swift protocol.
 
 // RUN: %target-typecheck-verify-swift -I %S/Inputs -enable-experimental-cxx-interop
@@ -54,4 +56,4 @@ protocol HasOperatorCall {
   func callAsFunction(_ x: Int32) -> Int32
 }
 
-extension HasStaticOperatorCall : HasOperatorCall {}
\ No newline at end of file
+extension HasStaticOperatorCall : HasOperatorCall {}
diff --git a/test/Interop/Cxx/operators/member-inline-module-interface.swift b/test/Interop/Cxx/operators/member-inline-module-interface.swift
index d5d454def2f..3842baeae74 100644
--- a/test/Interop/Cxx/operators/member-inline-module-interface.swift
+++ b/test/Interop/Cxx/operators/member-inline-module-interface.swift
@@ -1,3 +1,5 @@
+// REQUIRES: rdar133257179
+
 // RUN: %target-swift-ide-test -print-module -module-to-print=MemberInline -I %S/Inputs -source-filename=x -cxx-interoperability-mode=swift-5.9 | %FileCheck %s
 // RUN: %target-swift-ide-test -print-module -module-to-print=MemberInline -I %S/Inputs -source-filename=x -cxx-interoperability-mode=swift-6 | %FileCheck %s
 // RUN: %target-swift-ide-test -print-module -module-to-print=MemberInline -I %S/Inputs -source-filename=x -cxx-interoperability-mode=upcoming-swift | %FileCheck %s
diff --git a/test/Interop/Cxx/operators/member-inline.swift b/test/Interop/Cxx/operators/member-inline.swift
index 73540783ee5..6724c7d1e26 100644
--- a/test/Interop/Cxx/operators/member-inline.swift
+++ b/test/Interop/Cxx/operators/member-inline.swift
@@ -1,3 +1,5 @@
+// REQUIRES: rdar133257179
+
 // RUN: %target-run-simple-swift(-I %S/Inputs -Xfrontend -cxx-interoperability-mode=swift-5.9)
 // RUN: %target-run-simple-swift(-I %S/Inputs -Xfrontend -cxx-interoperability-mode=swift-6)
 // RUN: %target-run-simple-swift(-I %S/Inputs -Xfrontend -cxx-interoperability-mode=upcoming-swift)
diff --git a/validation-test/BuildSystem/generate_xcode.test b/validation-test/BuildSystem/generate_xcode.test
index ab234a60356..db4cb8c68f8 100644
--- a/validation-test/BuildSystem/generate_xcode.test
+++ b/validation-test/BuildSystem/generate_xcode.test
@@ -1,3 +1,5 @@
+# REQUIRES: rdar133492917
+
 # RUN: %empty-directory(%t)
 # RUN: %empty-directory(%t/Xcode)