diff --git a/www/conservancy/static/admin/js/admin/RelatedObjectLookups.js b/www/conservancy/static/admin/js/admin/RelatedObjectLookups.js
deleted file mode 100644
index 5271e81fdb18150683a620782d1af06fc52035f3..0000000000000000000000000000000000000000
--- a/www/conservancy/static/admin/js/admin/RelatedObjectLookups.js
+++ /dev/null
@@ -1,53 +0,0 @@
-// Handles related-objects functionality: lookup link for raw_id_admin=True
-// and Add Another links.
-
-function showPopupFromLink(elem, nameTrimRegexp, popupParamName) {
-    var name = elem.id.replace(nameTrimRegexp, '');
-    // IE doesn't like periods in the window name, so convert temporarily.
-    name = name.replace(/\./g, '___');
-    var url = new URL(elem.href);
-    url.searchParams.set(popupParamName, '1');
-    var win = window.open(url.toString(), name, 'height=500,width=800,resizable=yes,scrollbars=yes');
-    win.focus();
-    return false;
-}
-
-function showRelatedObjectLookupPopup(triggeringLink) {
-    return showPopupFromLink(triggeringLink, /^lookup_/, 'pop');
-}
-
-function dismissRelatedLookupPopup(win, chosenId) {
-    var name = win.name.replace(/___/g, '.');
-    var elem = document.getElementById(name);
-    if (elem.className.indexOf('vRawIdAdminField') != -1 && elem.value) {
-        elem.value += ',' + chosenId;
-    } else {
-        document.getElementById(name).value = chosenId;
-    }
-    win.close();
-}
-
-function showAddAnotherPopup(triggeringLink) {
-    return showPopupFromLink(triggeringLink, /^add_/, '_popup');
-}
-
-function dismissAddAnotherPopup(win, newId, newRepr) {
-    var name = win.name.replace(/___/g, '.');
-    var elem = document.getElementById(name);
-    if (elem) {
-        if (elem.nodeName == 'SELECT') {
-            var o = new Option(newRepr, newId);
-            elem.options[elem.options.length] = o;
-            o.selected = true;
-        } else if (elem.nodeName == 'INPUT') {
-            elem.value = newId;
-        }
-    } else {
-        var toId = name + "_to";
-        elem = document.getElementById(toId);
-        var o = new Option(newRepr, newId);
-        SelectBox.add_to_cache(toId, o);
-        SelectBox.redisplay(toId);
-    }
-    win.close();
-}