diff --git a/themes/b0f635d7-c3bf-4709-af68-4712f0e5b2e5/chrome.css b/themes/b0f635d7-c3bf-4709-af68-4712f0e5b2e5/chrome.css
index 2e3a3925..6fa3a63b 100644
--- a/themes/b0f635d7-c3bf-4709-af68-4712f0e5b2e5/chrome.css
+++ b/themes/b0f635d7-c3bf-4709-af68-4712f0e5b2e5/chrome.css
@@ -9,3 +9,7 @@
 #bookmarks-menu-button #BMB_viewBookmarksToolbar {
   display: none !important;
 }
+
+#BMB_bookmarksPopup menuseparator {
+  display: none !important;
+}