diff --git a/global.d.ts b/global.d.ts
deleted file mode 100644
index a30910afe5..0000000000
--- a/global.d.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-/**
- * Copyright 2021, SumUp Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-declare module '*.module.css' {
-  const classes: Record<string, string>;
-  // biome-ignore lint/style/noDefaultExport:
-  export default classes;
-}
diff --git a/packages/circuit-ui/types/global.d.ts b/packages/circuit-ui/types/global.d.ts
index d057a4069e..42e36234c5 100644
--- a/packages/circuit-ui/types/global.d.ts
+++ b/packages/circuit-ui/types/global.d.ts
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+/// <reference types="vite/client" />
+
 import type { Theme as CircuitTheme } from '@sumup-oss/design-tokens';
 
 import 'react';
diff --git a/packages/circuit-ui/util/i18n.ts b/packages/circuit-ui/util/i18n.ts
index 5bc764c1ab..faca7c4a05 100644
--- a/packages/circuit-ui/util/i18n.ts
+++ b/packages/circuit-ui/util/i18n.ts
@@ -114,7 +114,8 @@ export function transformModulesToTranslations<
       const { default: unused, ...strings } = exports;
       const matches = importPath.match(/[a-z]{2}-[A-Z]{2}/);
 
-      // @ts-expect-error This environment variable is set by Vite.
+      // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+      // @ts-ignore This is fine, but ESLint complains because it's configured for CJS at the project root.
       if (import.meta.env.DEV && !matches) {
         throw new Error(
           `Failed to extract a locale from the import path: ${importPath}`,
@@ -124,7 +125,8 @@ export function transformModulesToTranslations<
       // biome-ignore lint/style/noNonNullAssertion:
       const locale = matches![0] as SupportedLocale;
 
-      // @ts-expect-error This environment variable is set by Vite.
+      // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+      // @ts-ignore This is fine, but ESLint complains because it's configured for CJS at the project root.
       if (import.meta.env.DEV && !SUPPORTED_LOCALES.includes(locale)) {
         throw new Error(`Unsupported locale: ${importPath}`);
       }
@@ -134,8 +136,8 @@ export function transformModulesToTranslations<
     },
     {} as Translations<Key>,
   );
-
-  // @ts-expect-error This environment variable is set by Vite.
+  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+  // @ts-ignore This is fine, but ESLint complains because it's configured for CJS at the project root.
   if (import.meta.env.DEV) {
     SUPPORTED_LOCALES.forEach((locale) => {
       if (!translations[locale]) {