diff --git a/include/clang/Sema/IdentifierResolver.h b/include/clang/Sema/IdentifierResolver.h
index dff0134..0b1b74a 100644
--- a/include/clang/Sema/IdentifierResolver.h
+++ b/include/clang/Sema/IdentifierResolver.h
@@ -158,8 +158,7 @@
   /// \param ExplicitInstantiationOrSpecialization When true, we are checking
   /// whether the declaration is in scope for the purposes of explicit template
   /// instantiation or specialization. The default is false.
-  bool isDeclInScope(Decl *D, DeclContext *Ctx, ASTContext &Context,
-                     Scope *S = 0,
+  bool isDeclInScope(Decl *D, DeclContext *Ctx, Scope *S = 0,
                      bool ExplicitInstantiationOrSpecialization = false) const;
 
   /// AddDecl - Link the decl to its shadowed decl chain.
diff --git a/lib/Sema/IdentifierResolver.cpp b/lib/Sema/IdentifierResolver.cpp
index 5100fcb..6f5ddca 100644
--- a/lib/Sema/IdentifierResolver.cpp
+++ b/lib/Sema/IdentifierResolver.cpp
@@ -14,7 +14,6 @@
 
 #include "clang/Sema/IdentifierResolver.h"
 #include "clang/AST/Decl.h"
-#include "clang/AST/DeclObjC.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Lex/ExternalPreprocessorSource.h"
 #include "clang/Lex/Preprocessor.h"
@@ -108,8 +107,7 @@
 /// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true
 /// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns
 /// true if 'D' belongs to the given declaration context.
-bool IdentifierResolver::isDeclInScope(Decl *D, DeclContext *Ctx,
-                                       ASTContext &Context, Scope *S,
+bool IdentifierResolver::isDeclInScope(Decl *D, DeclContext *Ctx, Scope *S,
                              bool ExplicitInstantiationOrSpecialization) const {
   Ctx = Ctx->getRedeclContext();
 
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index cae0cfa..1f80390 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -1096,7 +1096,7 @@
 
 bool Sema::isDeclInScope(NamedDecl *&D, DeclContext *Ctx, Scope *S,
                          bool ExplicitInstantiationOrSpecialization) {
-  return IdResolver.isDeclInScope(D, Ctx, Context, S,
+  return IdResolver.isDeclInScope(D, Ctx, S,
                                   ExplicitInstantiationOrSpecialization);
 }