diff --git a/packages/frontend/core/package.json b/packages/frontend/core/package.json
index f833b02a1..12b179015 100644
--- a/packages/frontend/core/package.json
+++ b/packages/frontend/core/package.json
@@ -51,7 +51,6 @@
     "idb": "^8.0.0",
     "idb-keyval": "^6.2.1",
     "image-blob-reduce": "^4.1.0",
-    "intl-segmenter-polyfill-rs": "^0.1.7",
     "is-svg": "^5.0.0",
     "jotai": "^2.8.0",
     "jotai-scope": "^0.7.0",
diff --git a/packages/frontend/core/src/bootstrap/polyfill/index.ts b/packages/frontend/core/src/bootstrap/polyfill/index.ts
index 722804d38..3551f4994 100644
--- a/packages/frontend/core/src/bootstrap/polyfill/index.ts
+++ b/packages/frontend/core/src/bootstrap/polyfill/index.ts
@@ -1,5 +1,4 @@
 import { polyfillDispose } from './dispose';
-import { polyfillI18n } from './intl-segmenter';
 import { polyfillPromise } from './promise-with-resolvers';
 import { polyfillEventLoop } from './request-idle-callback';
 import { polyfillResizeObserver } from './resize-observer';
@@ -11,7 +10,6 @@ export function polyfillElectron() {
 export async function polyfillBrowser() {
   polyfillResizeObserver();
   polyfillEventLoop();
-  await polyfillI18n();
   await polyfillPromise();
   await polyfillDispose();
 }
diff --git a/packages/frontend/core/src/bootstrap/polyfill/intl-segmenter.ts b/packages/frontend/core/src/bootstrap/polyfill/intl-segmenter.ts
deleted file mode 100644
index 2ba5f5fe2..000000000
--- a/packages/frontend/core/src/bootstrap/polyfill/intl-segmenter.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-export async function polyfillI18n() {
-  if (Intl.Segmenter === undefined) {
-    await import('intl-segmenter-polyfill-rs').then(({ Segmenter }) => {
-      Object.defineProperty(Intl, 'Segmenter', {
-        value: Segmenter,
-        configurable: true,
-        writable: true,
-      });
-    });
-  }
-}
diff --git a/yarn.lock b/yarn.lock
index df65233d9..870607023 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -406,7 +406,6 @@ __metadata:
     idb: "npm:^8.0.0"
     idb-keyval: "npm:^6.2.1"
     image-blob-reduce: "npm:^4.1.0"
-    intl-segmenter-polyfill-rs: "npm:^0.1.7"
     is-svg: "npm:^5.0.0"
     jotai: "npm:^2.8.0"
     jotai-scope: "npm:^0.7.0"
@@ -22567,13 +22566,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"intl-segmenter-polyfill-rs@npm:^0.1.7":
-  version: 0.1.7
-  resolution: "intl-segmenter-polyfill-rs@npm:0.1.7"
-  checksum: 10/e216d8e4c299ea319f8098fbf03df6a06e841fcbbfcfbb4735d3df8cf8088e2d644398b70ff21b14514f818424833efb03ff6cb9fee3d43df57f9588ee3a07f9
-  languageName: node
-  linkType: hard
-
 "invariant@npm:^2.2.4":
   version: 2.2.4
   resolution: "invariant@npm:2.2.4"