# HG changeset patch
# User Magnus Melin <mkmelin+mozilla@iki.fi>
# Date 1757493192 0
# Node ID 1cc168c9d0a5c55744d2886aa380f5a7bf712ef4
# Parent  20980bc07105ebb761347e9c99937e572eedf03a
Bug 1987834 - Don't remove not added observer of AUTO_UPDATE_CHANGED_TOPIC when MOZ_UPDATER is off. r=john.bieling

Differential Revision: https://phabricator.services.mozilla.com/D264376

diff --git a/mail/components/preferences/general.js b/mail/components/preferences/general.js
--- a/mail/components/preferences/general.js
+++ b/mail/components/preferences/general.js
@@ -2175,17 +2175,19 @@ var gGeneralPane = {
     }
 
     return /^https?/.test(uri.scheme) ? uri.resolve("/favicon.ico") : "";
   },
 
   destroy() {
     window.removeEventListener("unload", this);
 
-    Services.obs.removeObserver(this, AUTO_UPDATE_CHANGED_TOPIC);
+    if (AppConstants.MOZ_UPDATER) {
+      Services.obs.removeObserver(this, AUTO_UPDATE_CHANGED_TOPIC);
+    }
     Services.prefs.removeObserver("mailnews.tags.", this);
   },
 
   // nsISupports
 
   QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
 
   // nsIObserver