diff --git a/Source/InputMethodController.h b/Source/InputMethodController.h
index e8b91760..e3f3e57b 100644
--- a/Source/InputMethodController.h
+++ b/Source/InputMethodController.h
@@ -69,8 +69,8 @@
     // current input mode
     NSString *_inputMode;
 
+    // if Chinese convertion is enabled
     BOOL _chineseConvertionEnabled;
-
 }
 @end
 
diff --git a/Source/OVNonModalAlertWindowController.h b/Source/OVNonModalAlertWindowController.h
index 91453cb8..e0eea1e2 100644
--- a/Source/OVNonModalAlertWindowController.h
+++ b/Source/OVNonModalAlertWindowController.h
@@ -18,14 +18,6 @@
 @end
 
 @interface OVNonModalAlertWindowController : NSWindowController
-{
-@private
-//    NSTextField *_titleTextField;
-//    NSTextField *_contentTextField;
-//    NSButton *_confirmButton;
-//    NSButton *_cancelButton;
-//    id<OVNonModalAlertWindowControllerDelegate> _delegate;
-}
 
 + (OVNonModalAlertWindowController *)sharedInstance;
 - (void)showWithTitle:(NSString *)title content:(NSString *)content confirmButtonTitle:(NSString *)confirmTitle cancelButtonTitle:(NSString *)cancelButtonTitle cancelAsDefault:(BOOL)cancelAsDefault delegate:(id<OVNonModalAlertWindowControllerDelegate>)delegate;