diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index ade33ec65038f..180574f1cab81 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -4759,8 +4759,6 @@ class TemplateArgumentLocInventIterator {
     const TemplateArgumentLoc *operator->() const { return &Arg; }
   };
 
-  TemplateArgumentLocInventIterator() { }
-
   explicit TemplateArgumentLocInventIterator(TreeTransform<Derived> &Self,
                                              InputIterator Iter)
     : Self(Self), Iter(Iter) { }