diff --git a/mozilla/mailnews/public/MailNewsTypes.h b/mozilla/mailnews/public/MailNewsTypes.h
index d639a698995..9d2460805c0 100644
--- a/mozilla/mailnews/public/MailNewsTypes.h
+++ b/mozilla/mailnews/public/MailNewsTypes.h
@@ -64,19 +64,6 @@ const nsMsgKey nsMsgKey_None = 0xffffffff;
 
 const nsMsgViewIndex nsMsgViewIndex_None = 0xFFFFFFFF;
 
-#if 0
-/* Message priorities as determined by X-Priority hdr, or Priority header? */
-enum nsMsgPriority {
-  nsMsgPriorityNotSet = 0,
-  nsMsgPriorityNone = 1,
-  nsMsgPriorityLowest,
-  nsMsgPriorityLow,
-  nsMsgPriorityNormal,
-  nsMsgPriorityHigh,
-  nsMsgPriorityHighest
-};
-#endif
-
 // The following enums are all persistent in databases, so don't go changing the values!
 enum nsMsgSortOrder {
   nsMsgSortOrder_None = 0,