diff --git a/Sema/Sema.h b/Sema/Sema.h
index 465e3fb..488d105 100644
--- a/Sema/Sema.h
+++ b/Sema/Sema.h
@@ -48,6 +48,7 @@
   class TypedefDecl;
   class ObjcInterfaceDecl;
   class ObjcProtocolDecl;
+  class ObjcImplementationDecl;
 
 /// Sema - This implements semantic analysis and AST building for C.
 class Sema : public Action {
@@ -207,6 +208,17 @@
   QualType HandleVectorTypeAttribute(QualType curType, AttributeList *rawAttr);
   void HandleOCUVectorTypeAttribute(TypedefDecl *d, AttributeList *rawAttr);
   
+  /// CheckProtocolMethodDefs - This routine checks unimpletented methods
+  /// Declared in protocol, and those referenced by it.
+  void CheckProtocolMethodDefs(ObjcProtocolDecl *PDecl,
+                               const llvm::DenseMap<void *, char>& InsMap,
+                               const llvm::DenseMap<void *, char>& ClsMap);
+  
+  /// ImplMethodsVsClassMethods - This is main routine to warn if any method
+  /// remains unimplemented in the @implementation class.
+  void ImplMethodsVsClassMethods(ObjcImplementationDecl* IMPDecl, 
+                                 ObjcInterfaceDecl* IDecl);
+  
   //===--------------------------------------------------------------------===//
   // Statement Parsing Callbacks: SemaStmt.cpp.
 public:
diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index 5e66684..c6c1b1e 100644
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -1189,8 +1189,7 @@
 
 /// CheckProtocolMethodDefs - This routine checks unimpletented methods
 /// Declared in protocol, and those referenced by it.
-///
-static void CheckProtocolMethodDefs(Sema* objSema, ObjcProtocolDecl *PDecl,
+void Sema::CheckProtocolMethodDefs(ObjcProtocolDecl *PDecl,
              const llvm::DenseMap<void *, char>& InsMap,
              const llvm::DenseMap<void *, char>& ClsMap) {
   // check unimplemented instance methods.
@@ -1198,27 +1197,26 @@
   for (int j = 0; j < PDecl->getNumInsMethods(); j++)
     if (!InsMap.count(methods[j]->getSelector().getAsOpaquePtr())) {
       llvm::SmallString<128> buf;
-      objSema->Diag(methods[j]->getLocation(), diag::warn_undef_method_impl,
-                    methods[j]->getSelector().getName(buf));
+      Diag(methods[j]->getLocation(), diag::warn_undef_method_impl,
+           methods[j]->getSelector().getName(buf));
     }
   // check unimplemented class methods
   methods = PDecl->getClsMethods();
   for (int j = 0; j < PDecl->getNumClsMethods(); j++)
     if (!ClsMap.count(methods[j]->getSelector().getAsOpaquePtr())) {
       llvm::SmallString<128> buf;
-      objSema->Diag(methods[j]->getLocation(), diag::warn_undef_method_impl,
-                    methods[j]->getSelector().getName(buf));
+      Diag(methods[j]->getLocation(), diag::warn_undef_method_impl,
+           methods[j]->getSelector().getName(buf));
     }
   
   // Check on this protocols's referenced protocols, recursively
   ObjcProtocolDecl** RefPDecl = PDecl->getReferencedProtocols();
   for (int i = 0; i < PDecl->getNumReferencedProtocols(); i++)
-    CheckProtocolMethodDefs(objSema, RefPDecl[i], InsMap, ClsMap);
+    CheckProtocolMethodDefs(RefPDecl[i], InsMap, ClsMap);
 }
 
-static void ImplMethodsVsClassMethods(Sema* objSema, 
-				      ObjcImplementationDecl* IMPDecl, 
-                                      ObjcInterfaceDecl* IDecl) {
+void Sema::ImplMethodsVsClassMethods(ObjcImplementationDecl* IMPDecl, 
+                                     ObjcInterfaceDecl* IDecl) {
   llvm::DenseMap<void *, char> InsMap;
   // Check and see if instance methods in class interface have been
   // implemented in the implementation class.
@@ -1231,8 +1229,8 @@
   for (int j = 0; j < IDecl->getNumInsMethods(); j++)
     if (!InsMap.count(methods[j]->getSelector().getAsOpaquePtr())) {
       llvm::SmallString<128> buf;
-      objSema->Diag(methods[j]->getLocation(), diag::warn_undef_method_impl,
-           	    methods[j]->getSelector().getName(buf));
+      Diag(methods[j]->getLocation(), diag::warn_undef_method_impl,
+           methods[j]->getSelector().getName(buf));
     }
   llvm::DenseMap<void *, char> ClsMap;
   // Check and see if class methods in class interface have been
@@ -1246,8 +1244,8 @@
   for (int j = 0; j < IDecl->getNumClsMethods(); j++)
     if (!ClsMap.count(methods[j]->getSelector().getAsOpaquePtr())) {
       llvm::SmallString<128> buf;
-      objSema->Diag(methods[j]->getLocation(), diag::warn_undef_method_impl,
-           	    methods[j]->getSelector().getName(buf));
+      Diag(methods[j]->getLocation(), diag::warn_undef_method_impl,
+           methods[j]->getSelector().getName(buf));
     }
   
   // Check the protocol list for unimplemented methods in the @implementation
@@ -1255,7 +1253,7 @@
   ObjcProtocolDecl** protocols = IDecl->getIntfRefProtocols();
   for (int i = 0; i < IDecl->getNumIntfRefProtocols(); i++) {
     ObjcProtocolDecl* PDecl = protocols[i];
-    CheckProtocolMethodDefs(objSema, PDecl, InsMap, ClsMap);
+    CheckProtocolMethodDefs(PDecl, InsMap, ClsMap);
   }
   return;
 }
@@ -1655,7 +1653,7 @@
     ObjcInterfaceDecl* IDecl = getObjCInterfaceDecl(S, 
 				 ImplClass->getIdentifier(), SourceLocation());
     if (IDecl)
-      ImplMethodsVsClassMethods(this, ImplClass, IDecl);
+      ImplMethodsVsClassMethods(ImplClass, IDecl);
   }
   else
     assert(0 && "Sema::ObjcAddMethodsToClass(): Unknown DeclTy");