diff --git a/clang/include/clang/AST/NestedNameSpecifier.h b/clang/include/clang/AST/NestedNameSpecifier.h
index 1594b090fea5..3b25f3bb403f 100644
--- a/clang/include/clang/AST/NestedNameSpecifier.h
+++ b/clang/include/clang/AST/NestedNameSpecifier.h
@@ -181,8 +181,6 @@ public:
     ID.AddPointer(Specifier);
   }
 
-  void Destroy(ASTContext &Context);
-
   /// \brief Dump the nested name specifier to standard output to aid
   /// in debugging.
   void dump(const LangOptions &LO);
diff --git a/clang/lib/AST/NestedNameSpecifier.cpp b/clang/lib/AST/NestedNameSpecifier.cpp
index d6594cdfd02f..212def8565ea 100644
--- a/clang/lib/AST/NestedNameSpecifier.cpp
+++ b/clang/lib/AST/NestedNameSpecifier.cpp
@@ -176,11 +176,6 @@ NestedNameSpecifier::print(llvm::raw_ostream &OS,
   OS << "::";
 }
 
-void NestedNameSpecifier::Destroy(ASTContext &Context) {
-  this->~NestedNameSpecifier();
-  Context.Deallocate((void *)this);
-}
-
 void NestedNameSpecifier::dump(const LangOptions &LO) {
   print(llvm::errs(), PrintingPolicy(LO));
 }
diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index da99c7e8c2c9..1a7e35b35507 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -1417,12 +1417,6 @@ Sema::InstantiateClassTemplateSpecialization(
                                  TSK,
                                  Complain);
 
-  for (unsigned I = 0, N = Matched.size(); I != N; ++I) {
-    // FIXME: Implement TemplateArgumentList::Destroy!
-    //    if (Matched[I].first != Pattern)
-    //      Matched[I].second->Destroy(Context);
-  }
-
   return Result;
 }