diff --git a/services/sync/locales/en-US/sync.properties b/services/sync/locales/en-US/sync.properties
index 53be3ee104c..ede7afb5bdc 100644
--- a/services/sync/locales/en-US/sync.properties
+++ b/services/sync/locales/en-US/sync.properties
@@ -14,18 +14,6 @@ signInToSync.description = Sign In To Sync
 
 mobile.label = Mobile Bookmarks
 
-remote.pending.label = Remote tabs are being synced…
-remote.missing2.label = Sync your other devices again to access their tabs
-remote.opened.label = All remote tabs are already open
-remote.notification.label = Recent desktop tabs will be available once they sync
-
-error.login.title = Error While Signing In
-error.login.description = Sync encountered an error while connecting: %1$S.  Please try again.
-error.login.prefs.label = Preferences…
-error.login.prefs.accesskey = P
-# should decide if we're going to show this
-error.logout.title = Error While Signing Out
-error.logout.description = Sync encountered an error while connecting.  It's probably ok, and you don't have to do anything about it.
 error.sync.title = Error While Syncing
 error.sync.description = Sync encountered an error while syncing: %1$S.  Sync will automatically retry this action.
 warning.sync.eol.label = Service Shutting Down