diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp
index 806bd30972312..fb5bdfaaed7ae 100644
--- a/clang/lib/AST/ItaniumMangle.cpp
+++ b/clang/lib/AST/ItaniumMangle.cpp
@@ -208,7 +208,6 @@ class ItaniumMangleContextImpl : public ItaniumMangleContext {
   }
 
   bool isInternalLinkageDecl(const NamedDecl *ND);
-  const DeclContext *IgnoreLinkageSpecDecls(const DeclContext *DC);
 
   /// @}
 };
@@ -396,7 +395,6 @@ class CXXNameMangler {
   bool isStdNamespace(const DeclContext *DC);
 
   const RecordDecl *GetLocalClassDecl(const Decl *D);
-  const DeclContext *IgnoreLinkageSpecDecls(const DeclContext *DC);
   bool isSpecializedAs(QualType S, llvm::StringRef Name, QualType A);
   bool isStdCharSpecialization(const ClassTemplateSpecializationDecl *SD,
                                llvm::StringRef Name, bool HasAllocator);