diff --git a/include/llvm/ADT/SmallVector.h b/include/llvm/ADT/SmallVector.h
index 6e0fd94dfe6..e508f9df901 100644
--- a/include/llvm/ADT/SmallVector.h
+++ b/include/llvm/ADT/SmallVector.h
@@ -365,7 +365,7 @@ template <typename T>
 class SmallVectorImpl : public SmallVectorTemplateBase<T, isPodLike<T>::value> {
   typedef SmallVectorTemplateBase<T, isPodLike<T>::value > SuperClass;
 
-  SmallVectorImpl(const SmallVectorImpl&); // DISABLED.
+  SmallVectorImpl(const SmallVectorImpl&) LLVM_DELETED_FUNCTION;
 public:
   typedef typename SuperClass::iterator iterator;
   typedef typename SuperClass::size_type size_type;