diff --git a/unittests/ADT/SmallVectorTest.cpp b/unittests/ADT/SmallVectorTest.cpp
index 99deb0c68ab..2d2668aca94 100644
--- a/unittests/ADT/SmallVectorTest.cpp
+++ b/unittests/ADT/SmallVectorTest.cpp
@@ -143,8 +143,8 @@ struct NonCopyable {
   NonCopyable() {}
   NonCopyable(NonCopyable &&) {}
   NonCopyable &operator=(NonCopyable &&) { return *this; }
-  NonCopyable(const NonCopyable &) = delete;
-  NonCopyable &operator=(const NonCopyable &) = delete;
+  NonCopyable(const NonCopyable &) LLVM_DELETED_FUNCTION;
+  NonCopyable &operator=(const NonCopyable &) LLVM_DELETED_FUNCTION;
 };
 
 LLVM_ATTRIBUTE_USED void CompileTest() {