diff --git a/lib/ClangImporter/SwiftBridging/swift/bridging b/lib/ClangImporter/SwiftBridging/swift/bridging
index 4c8e97d4a8e80..e8d1e193fe109 100644
--- a/lib/ClangImporter/SwiftBridging/swift/bridging
+++ b/lib/ClangImporter/SwiftBridging/swift/bridging
@@ -51,10 +51,10 @@
 /// automatic reference counting.
 ///
 /// This example shows how to use this macro to let Swift know that
-/// a non-copyable reference counted C++ class can be imported as a reference counted type in Swift:
+/// a reference counted C++ class can be imported as a reference counted type in Swift:
 ///  ```c++
 ///    class SWIFT_SHARED_REFERENCE(retainSharedObject, releaseSharedObject)
-///    SharedObject : NonCopyable, IntrusiveReferenceCounted<SharedObject> {
+///    SharedObject : IntrusiveReferenceCounted<SharedObject> {
 ///    public:
 ///      static SharedObject* create();
 ///      void doSomething();
@@ -71,7 +71,7 @@
 ///    object.doSomething()
 ///    // The Swift compiler will release object here.
 ///  ```
-#define SWIFT_SHARED_REFERENCE(_retain, _release)                                \
+#define SWIFT_SHARED_REFERENCE(_retain, _release)                          \
   __attribute__((swift_attr("import_reference")))                          \
   __attribute__((swift_attr(_CXX_INTEROP_STRINGIFY(retain:_retain))))      \
   __attribute__((swift_attr(_CXX_INTEROP_STRINGIFY(release:_release))))
@@ -82,10 +82,9 @@
 /// type in Swift.
 ////
 /// This example shows how to use this macro to let Swift know that
-/// a non-copyable singleton C++ class can be imported as a reference type in Swift:
+/// a singleton C++ class can be imported as a reference type in Swift:
 ///  ```c++
-///    class SWIFT_IMMORTAL_REFERENCE
-///    LoggerSingleton : NonCopyable {
+///    class SWIFT_IMMORTAL_REFERENCE LoggerSingleton {
 ///    public:
 ///      static LoggerSingleton &getInstance();
 ///      void log(int x);
@@ -98,18 +97,18 @@
 ///    let logger = LoggerSingleton.getInstance()
 ///    logger.log(123)
 ///  ```
-#define SWIFT_IMMORTAL_REFERENCE                                                \
-  __attribute__((swift_attr("import_reference")))                         \
-  __attribute__((swift_attr(_CXX_INTEROP_STRINGIFY(retain:immortal))))    \
-  __attribute__((swift_attr(_CXX_INTEROP_STRINGIFY(release:immortal))))
+#define SWIFT_IMMORTAL_REFERENCE                     \
+  __attribute__((swift_attr("import_reference")))    \
+  __attribute__((swift_attr("retain:immortal")))     \
+  __attribute__((swift_attr("release:immortal")))
 
 /// Specifies that a `class` or `struct` is a reference type whose lifetime
 /// is not managed automatically. The programmer must validate that any reference
 /// to such object is valid themselves. This annotation lets Swift import such a type as a reference type in Swift.
-#define SWIFT_UNSAFE_REFERENCE                                                  \
-  __attribute__((swift_attr("import_reference")))                         \
-  __attribute__((swift_attr(_CXX_INTEROP_STRINGIFY(retain:immortal))))    \
-  __attribute__((swift_attr(_CXX_INTEROP_STRINGIFY(release:immortal))))   \
+#define SWIFT_UNSAFE_REFERENCE                       \
+  __attribute__((swift_attr("import_reference")))    \
+  __attribute__((swift_attr("retain:immortal")))     \
+  __attribute__((swift_attr("release:immortal")))    \
   __attribute__((swift_attr("unsafe")))
 
 /// Specifies a name that will be used in Swift for this declaration instead of its original name.