diff --git a/ui/engine/capabilities/IntlPolyfills/index.ts b/ui/engine/capabilities/IntlPolyfills/index.ts
index 97af66fa6f0..2b468ec891d 100644
--- a/ui/engine/capabilities/IntlPolyfills/index.ts
+++ b/ui/engine/capabilities/IntlPolyfills/index.ts
@@ -33,6 +33,10 @@ declare const ENV: {
 
 const FORMAT_JS_DIR = '/dist/@formatjs'
 
+// TODO:  FOO-4658  to research and generally clean this up the right way.
+// Short-circuiting this factored-out funcion for now until we get to the bottom
+// of the pathname mapping issue.
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 function localeDataFor(sys: string, locale: string): string {
   return `${FORMAT_JS_DIR}/intl-${sys}/locale-data/${locale}.js`
 }
@@ -143,9 +147,7 @@ const subsystems: {[subsys: string]: Capability} = {
     subsysName: 'PluralRules',
     should: spfPR,
     polyfill: () => import('@formatjs/intl-pluralrules/polyfill-force'),
-    // rspack doesn't know that localeDataFor returns a string, so it throws a warning. Interpolating
-    // the string fixes the warning.
-    localeLoader: (l: string) => import(`${localeDataFor('pluralrules', l)}`),
+    localeLoader: (l: string) => import('@formatjs/intl-pluralrules/locale-data/' + l),
   }),
 
   datetimeformat: polyfillerFactory({
@@ -155,21 +157,21 @@ const subsystems: {[subsys: string]: Capability} = {
       await import('@formatjs/intl-datetimeformat/polyfill-force')
       await import('@formatjs/intl-datetimeformat/add-all-tz')
     },
-    localeLoader: (l: string) => import(`${localeDataFor('datetimeformat', l)}`),
+    localeLoader: (l: string) => import('@formatjs/intl-datetimeformat/locale-data/' + l),
   }),
 
   numberformat: polyfillerFactory({
     subsysName: 'NumberFormat',
     should: spfNF,
     polyfill: () => import('@formatjs/intl-numberformat/polyfill-force'),
-    localeLoader: (l: string) => import(`${localeDataFor('numberformat', l)}`),
+    localeLoader: (l: string) => import('@formatjs/intl-numberformat/locale-data/' + l),
   }),
 
   relativetimeformat: polyfillerFactory({
     subsysName: 'RelativeTimeFormat',
     should: spfRTF,
     polyfill: () => import('@formatjs/intl-relativetimeformat/polyfill-force'),
-    localeLoader: (l: string) => import(`${localeDataFor('relativetimeformat', l)}`),
+    localeLoader: (l: string) => import('@formatjs/intl-relativetimeformat/locale-data/' + l),
   }),
 }