diff --git a/browser/components/customizableui/src/CustomizableUI.jsm b/browser/components/customizableui/src/CustomizableUI.jsm
index 21fff255b69..df6a23d6952 100644
--- a/browser/components/customizableui/src/CustomizableUI.jsm
+++ b/browser/components/customizableui/src/CustomizableUI.jsm
@@ -357,6 +357,7 @@ let CustomizableUIInternal = {
           if (this.isWidgetRemovable(node)) {
             if (palette) {
               palette.appendChild(node);
+              this.removeLocationAttributes(node);
             } else {
               container.removeChild(node);
             }