diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 69b72c5..28e4116 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -1813,7 +1813,12 @@
                                  D->getIdentLocation(),
                                  D->getNominatedNamespace(),
                                  D->getCommonAncestor());
-  Owner->addDecl(Inst);
+
+  // Add the using directive to its declaration context
+  // only if this is not a function or method.
+  if (!Owner->isFunctionOrMethod())
+    Owner->addDecl(Inst);
+
   return Inst;
 }