1 files changed, 0 insertions, 3 deletions
diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index b585bd544b1..491579c8139 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -1376,10 +1376,7 @@ static void ProcessDeclAttribute(Decl *D, const AttributeList &Attr, Sema &S) {
     // Just ignore
     break;
   default:
-#if 0
-    // TODO: when we have the full set of attributes, warn about unknown ones.
     S.Diag(Attr.getLoc(), diag::warn_attribute_ignored) << Attr.getName();
-#endif
     break;
   }
 }