--- a/browser/components/places/content/browserPlacesViews.js
+++ b/browser/components/places/content/browserPlacesViews.js
@@ -233,18 +233,23 @@ PlacesViewBase.prototype = {
     return this.controller.buildContextMenu(aPopup);
   },
 
   destroyContextMenu: function PVB_destroyContextMenu(aPopup) {
     this._contextMenuShown = null;
   },
 
   clearAllContents(aPopup) {
-    while (aPopup.firstChild) {
-      aPopup.firstChild.remove();
+    let kid = aPopup.firstChild;
+    while (kid) {
+      let next = kid.nextSibling;
+      if (!kid.classList.contains("panel-header")) {
+        kid.remove();
+      }
+      kid = next;
     }
     aPopup._emptyMenuitem = aPopup._startMarker = aPopup._endMarker = null;
   },
 
   _cleanPopup: function PVB_cleanPopup(aPopup, aDelay) {
     // Ensure markers are here when `invalidateContainer` is called before the
     // popup is shown, which may the case for panelviews, for example.
     this._ensureMarkers(aPopup);