diff --git a/Headers/AppKit/NSPersistentDocument.h b/Headers/AppKit/NSPersistentDocument.h
index fcf5d134e..fc1b09a16 100644
--- a/Headers/AppKit/NSPersistentDocument.h
+++ b/Headers/AppKit/NSPersistentDocument.h
@@ -42,7 +42,11 @@ extern "C" {
 @class NSUndoManager;
 
 @interface NSPersistentDocument : NSDocument
-
+{
+  NSManagedObjectContext *_managedObjectContext;
+  NSManagedObjectModel *_managedObjectModel;
+}
+  
 - (NSManagedObjectContext *) managedObjectContext;
 - (NSManagedObjectModel *) managedObjectModel;  
 
diff --git a/Source/NSDocumentController.m b/Source/NSDocumentController.m
index 46424bb21..d2c9a8471 100644
--- a/Source/NSDocumentController.m
+++ b/Source/NSDocumentController.m
@@ -955,7 +955,6 @@ TypeInfoForHumanReadableName (NSArray *types, NSString *typeName)
 
 - (IBAction) openDocument: (id)sender
 {
-  NSError *err = nil;
   NSEnumerator *urlEnum;
   NSURL *url;