diff --git a/mozilla/mailnews/base/src/nsMsgMailSession.h b/mozilla/mailnews/base/src/nsMsgMailSession.h
index 2fa4cf3fcf1..be0729067e0 100644
--- a/mozilla/mailnews/base/src/nsMsgMailSession.h
+++ b/mozilla/mailnews/base/src/nsMsgMailSession.h
@@ -105,7 +105,6 @@ private:
   nsCOMArray<nsIMsgShutdownTask> mShutdownTasks;
   nsCOMPtr<nsIMsgProgress>       mMsgProgress;
   PRUint32                       mTaskIndex;
-  PRBool                         mShouldShutdown;
 };
 
 #endif /* nsMsgMailSession_h__ */