diff --git a/clang/include/clang/Basic/DirectoryEntry.h b/clang/include/clang/Basic/DirectoryEntry.h
--- a/clang/include/clang/Basic/DirectoryEntry.h
+++ b/clang/include/clang/Basic/DirectoryEntry.h
@@ -131,7 +131,6 @@
   void reset() { MaybeRef = optional_none_tag(); }
 
   bool has_value() const { return MaybeRef.hasOptionalValue(); }
-  bool hasValue() const { return MaybeRef.hasOptionalValue(); }
 
   RefTy &value() & {
     assert(has_value());