diff --git a/llvm/include/llvm/ADT/SmallPtrSet.h b/llvm/include/llvm/ADT/SmallPtrSet.h
index b49d216e0b6e..a0b380b237da 100644
--- a/llvm/include/llvm/ADT/SmallPtrSet.h
+++ b/llvm/include/llvm/ADT/SmallPtrSet.h
@@ -365,6 +365,8 @@ protected:
 public:
   using iterator = SmallPtrSetIterator<PtrType>;
   using const_iterator = SmallPtrSetIterator<PtrType>;
+  using key_type = ConstPtrType;
+  using value_type = PtrType;
 
   SmallPtrSetImpl(const SmallPtrSetImpl &) = delete;