diff --git a/browser/components/prefwindow/content/pref-navigator.xul b/browser/components/prefwindow/content/pref-navigator.xul
index 1438a67858df..f4c07bdce5a6 100644
--- a/browser/components/prefwindow/content/pref-navigator.xul
+++ b/browser/components/prefwindow/content/pref-navigator.xul
@@ -43,25 +43,23 @@
-
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