diff --git a/mail/locales/en-US/chrome/messenger/messengercompose/composeMsgs.properties b/mail/locales/en-US/chrome/messenger/messengercompose/composeMsgs.properties
index 3865974c6b..2d07d17de4 100644
--- a/mail/locales/en-US/chrome/messenger/messengercompose/composeMsgs.properties
+++ b/mail/locales/en-US/chrome/messenger/messengercompose/composeMsgs.properties
@@ -16,18 +16,9 @@ unableToOpenTmpFile=Unable to open the temporary file %S. Check your 'Temporary
 ## @name NS_MSG_UNABLE_TO_SAVE_DRAFT
 12503=Unable to save your message as draft.
 
-## @name NS_MSG_LOAD_ATTACHMNTS
-12504=Loading attachments…
-
-## @name NS_MSG_LOAD_ATTACHMNT
-12505=Loading attachment…
-
 ## @name NS_MSG_COULDNT_OPEN_FCC_FOLDER
 12506=Couldn't open Sent Mail folder. Please verify that your Mail preferences are correct.
 
-## @name NS_MSG_CANT_POST_TO_MULTIPLE_NEWS_HOSTS
-12507=Can't post to multiple news hosts. Try again.
-
 ## @name NS_MSG_ASSEMB_DONE_MSG
 12508=Assembling message…Done
 
@@ -64,9 +55,6 @@ unableToOpenTmpFile=Unable to open the temporary file %S. Check your 'Temporary
 ## @name SMTP_DELIV_MAIL
 12521=Delivering mail…
 
-## @name SMTP_MESSAGE_SENT_WAITING_MAIL_REPLY
-12522=Mail: Message sent; waiting for reply…
-
 ## @name SMTP_PROGRESS_MAILSENT
 12523=Mail sent successfully
 
diff --git a/mailnews/compose/src/nsComposeStrings.h b/mailnews/compose/src/nsComposeStrings.h
index ea82feb700..baad671082 100644
--- a/mailnews/compose/src/nsComposeStrings.h
+++ b/mailnews/compose/src/nsComposeStrings.h
@@ -4,7 +4,7 @@
 
 /**
   String Ids used by mailnews\compose
-  To Do: Conver the callers to use names instead of ids and then make this file obsolete.
+  To Do: Convert the callers to use names instead of ids and then make this file obsolete.
  */
  
 #ifndef _nsComposeStrings_H__
@@ -14,10 +14,7 @@
 #define NS_MSG_UNABLE_TO_OPEN_TMP_FILE              NS_MSG_GENERATE_FAILURE(12501)
 #define NS_MSG_UNABLE_TO_SAVE_TEMPLATE              NS_MSG_GENERATE_FAILURE(12502)
 #define NS_MSG_UNABLE_TO_SAVE_DRAFT                 NS_MSG_GENERATE_FAILURE(12503)
-#define NS_MSG_LOAD_ATTACHMNTS                      NS_MSG_GENERATE_SUCCESS(12504)
-#define NS_MSG_LOAD_ATTACHMNT                       NS_MSG_GENERATE_SUCCESS(12505)
 #define NS_MSG_COULDNT_OPEN_FCC_FOLDER              NS_MSG_GENERATE_FAILURE(12506)
-#define NS_MSG_CANT_POST_TO_MULTIPLE_NEWS_HOSTS     NS_MSG_GENERATE_FAILURE(12507)
 #define NS_MSG_ASSEMB_DONE_MSG                      12508
 #define NS_MSG_ASSEMBLING_MSG                       12509
 #define NS_MSG_NO_SENDER                            NS_MSG_GENERATE_FAILURE(12510)
@@ -30,7 +27,6 @@
 #define NS_ERROR_QUEUED_DELIVERY_FAILED             NS_MSG_GENERATE_FAILURE(12519)
 #define NS_ERROR_SEND_FAILED                        NS_MSG_GENERATE_FAILURE(12520)
 #define SMTP_DELIV_MAIL                             12521
-#define SMTP_MESSAGE_SENT_WAITING_MAIL_REPLY        NS_MSG_GENERATE_SUCCESS(12522)
 #define SMTP_PROGRESS_MAILSENT                      12523
 #define NS_ERROR_SMTP_SERVER_ERROR                  NS_MSG_GENERATE_FAILURE(12524)
 #define NS_MSG_UNABLE_TO_SEND_LATER                 NS_MSG_GENERATE_FAILURE(12525)
@@ -40,7 +36,7 @@
 #define NS_ERROR_COULD_NOT_GET_USERS_MAIL_ADDRESS   NS_MSG_GENERATE_FAILURE(12529)
 #define NS_ERROR_MIME_MPART_ATTACHMENT_ERROR        NS_MSG_GENERATE_FAILURE(12531)
 #define NS_MSG_FAILED_COPY_OPERATION                NS_MSG_GENERATE_FAILURE(12532)
-// For message sending operations...
+// For message sending operations
 #define NS_MSG_FAILURE_ON_OBJ_EMBED_WHILE_SAVING    12533
 #define NS_MSG_ASSEMBLING_MESSAGE                   12534
 #define NS_MSG_GATHERING_ATTACHMENT                 12535
@@ -58,7 +54,7 @@
 
 #define NS_MSG_CANCELLING                           NS_MSG_GENERATE_SUCCESS(12555)
 
-// For message sending report...
+// For message sending report
 #define NS_MSG_SEND_ERROR_TITLE                     12556
 #define NS_MSG_SENDLATER_ERROR_TITLE                12557
 #define NS_MSG_SAVE_DRAFT_TITLE                     12558
diff --git a/suite/locales/en-US/chrome/mailnews/compose/composeMsgs.properties b/suite/locales/en-US/chrome/mailnews/compose/composeMsgs.properties
index d0372bdcb2..9ed3de54e2 100644
--- a/suite/locales/en-US/chrome/mailnews/compose/composeMsgs.properties
+++ b/suite/locales/en-US/chrome/mailnews/compose/composeMsgs.properties
@@ -16,18 +16,9 @@ unableToOpenTmpFile=Unable to open the temporary file %S. Check your 'Temporary
 ## @name NS_MSG_UNABLE_TO_SAVE_DRAFT
 12503=Unable to save your message as draft.
 
-## @name NS_MSG_LOAD_ATTACHMNTS
-12504=Loading attachments…
-
-## @name NS_MSG_LOAD_ATTACHMNT
-12505=Loading attachment…
-
 ## @name NS_MSG_COULDNT_OPEN_FCC_FOLDER
 12506=Couldn't open Sent mail folder. Please verify that your Mail preferences are correct.
 
-## @name NS_MSG_CANT_POST_TO_MULTIPLE_NEWS_HOSTS
-12507=Can't post to multiple news hosts. Try again.
-
 ## @name NS_MSG_ASSEMB_DONE_MSG
 12508=Assembling message…Done
 
@@ -64,9 +55,6 @@ unableToOpenTmpFile=Unable to open the temporary file %S. Check your 'Temporary
 ## @name SMTP_DELIV_MAIL
 12521=Delivering mail…
 
-## @name SMTP_MESSAGE_SENT_WAITING_MAIL_REPLY
-12522=Mail: Message sent; waiting for reply…
-
 ## @name SMTP_PROGRESS_MAILSENT
 12523=Mail sent successfully