diff --git a/static/js/popovers.js b/static/js/popovers.js
index de6da20b03..fc4264cd3a 100644
--- a/static/js/popovers.js
+++ b/static/js/popovers.js
@@ -814,11 +814,6 @@ export function show_userlist_sidebar() {
     resize.resize_page_components();
 }
 
-export function show_pm_list_sidebar() {
-    $(".app-main .column-left").addClass("expanded");
-    resize.resize_page_components();
-}
-
 let current_user_sidebar_user_id;
 let current_user_sidebar_popover;