diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td
index c2504ba620e883..624995a2d57298 100644
--- a/clang/include/clang/Basic/Attr.td
+++ b/clang/include/clang/Basic/Attr.td
@@ -677,7 +677,7 @@ def AlwaysInline : InheritableAttr {
 
 def Artificial : InheritableAttr {
   let Spellings = [GCC<"artificial">];
-  let Subjects = SubjectList<[InlineFunction], WarnDiag>;
+  let Subjects = SubjectList<[InlineFunction]>;
   let Documentation = [ArtificialDocs];
 }