diff --git a/lib/AST/DeclPrinter.cpp b/lib/AST/DeclPrinter.cpp
index 6914473..1dea223 100644
--- a/lib/AST/DeclPrinter.cpp
+++ b/lib/AST/DeclPrinter.cpp
@@ -70,6 +70,8 @@
     void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
     void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
     void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
+    void VisitUnresolvedUsingDecl(UnresolvedUsingDecl *D);
+    void VisitUsingDecl(UsingDecl *D);
   };
 }
 
@@ -836,3 +838,17 @@
   if (PID->getPropertyIvarDecl())
     Out << "=" << PID->getPropertyIvarDecl()->getNameAsString();
 }
+
+void DeclPrinter::VisitUsingDecl(UsingDecl *D) {
+  Out << "using ";
+  D->getTargetNestedNameDecl()->print(Out, Policy);
+  Out << D->getTargetDecl()->getNameAsString();
+}
+
+void DeclPrinter::VisitUnresolvedUsingDecl(UnresolvedUsingDecl *D) {
+  Out << "using ";
+  D->getTargetNestedNameSpecifier()->print(Out, Policy);
+  Out << D->getTargetName().getAsString();
+}
+
+