diff --git a/src/db/tables/emailAddresses.js b/src/db/tables/emailAddresses.js
index 627dad8fd12..0536354a256 100644
--- a/src/db/tables/emailAddresses.js
+++ b/src/db/tables/emailAddresses.js
@@ -9,7 +9,6 @@ import { getSha1 } from '../../utils/fxa'
 import { getSubscriberByEmail, updateFxAData } from './subscribers.js'
 import {
   ForbiddenError,
-  InternalServerError,
   UnauthorizedError
 } from '../../utils/error'
 import { getMessage } from '../../utils/fluent.js'
@@ -203,7 +202,7 @@ async function _addEmailHash (sha1, email, signupLanguage, verified = false) {
   } catch (e) {
     // @ts-ignore Log whatever, we don't care
     console.error(e)
-    throw new InternalServerError(getMessage('error-could-not-add-email'))
+    throw new Error(getMessage('error-could-not-add-email'))
   }
 }
 /* c8 ignore stop */
diff --git a/src/e2e/utils/helpers.ts b/src/e2e/utils/helpers.ts
index 5f30a396e40..287eafa3045 100644
--- a/src/e2e/utils/helpers.ts
+++ b/src/e2e/utils/helpers.ts
@@ -3,7 +3,6 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 import { expect, request, Page, Locator, test } from "@playwright/test";
-import { InternalServerError } from "../../utils/error";
 import { LandingPage } from "../pages/landingPage.js";
 import { AuthPage } from "../pages/authPage.js";
 
@@ -79,7 +78,7 @@ export const getVerificationCode = async (
   attempts = 10,
 ): Promise<string> => {
   if (attempts === 0) {
-    throw new InternalServerError("Unable to retrieve restmail data");
+    throw new Error("Unable to retrieve restmail data");
   }
 
   const context = await request.newContext();
diff --git a/src/utils/error.test.js b/src/utils/error.test.js
index 5b60b18d5da..87d9a90ffd2 100644
--- a/src/utils/error.test.js
+++ b/src/utils/error.test.js
@@ -10,7 +10,6 @@ import {
   MethodNotAllowedError,
   ConflictError,
   TooManyRequestsError,
-  InternalServerError
 } from './error'
 
 test('BadRequestError', () => {
@@ -54,10 +53,3 @@ test('TooManyRequestsError', () => {
   expect(error.message).toBe(errorMessage);
   expect(error.name).toBe("Too Many Requests");
 })
-
-test('InternalServerError', () => {
-  const errorMessage = 'InternalServerError message'
-  const error = new InternalServerError(errorMessage)
-  expect(error.message).toBe(errorMessage);
-  expect(error.name).toBe("Internal Server Error");
-})
diff --git a/src/utils/error.ts b/src/utils/error.ts
index d29495a4c5d..179656ec8cd 100644
--- a/src/utils/error.ts
+++ b/src/utils/error.ts
@@ -89,19 +89,6 @@ class TooManyRequestsError extends Error {
   }
 }
 
-class InternalServerError extends Error {
-  public statusCode: number;
-
-  constructor(message: MessageType, ...config: ConfigType) {
-    super(message, ...config);
-    this.name = "Internal Server Error";
-    this.statusCode = 500;
-    // TODO: Add unit test when changing this code:
-    /* c8 ignore next */
-    this.message = message || genericErrorMessage;
-  }
-}
-
 export {
   BadRequestError,
   UnauthorizedError,
@@ -109,5 +96,4 @@ export {
   MethodNotAllowedError,
   ConflictError,
   TooManyRequestsError,
-  InternalServerError,
 };
diff --git a/src/utils/fluent.js b/src/utils/fluent.js
index d71a452ba2e..52e13455b10 100644
--- a/src/utils/fluent.js
+++ b/src/utils/fluent.js
@@ -9,7 +9,6 @@ import { FluentBundle, FluentResource } from '@fluent/bundle'
 import { negotiateLanguages } from '@fluent/langneg'
 import AppConstants from '../appConstants.js'
 import { localStorage } from './localStorage'
-import { InternalServerError } from '../utils/error'
 
 // This file will be removed once we've fully switched to React
 /* c8 ignore start */
@@ -37,7 +36,7 @@ async function initFluentBundles () {
       }))
     } catch (/** @type {any} */ e) {
       console.error('Could not read Fluent file:', e)
-      throw new InternalServerError(e)
+      throw new Error(e)
     }
 
     fluentBundles[locale] = bundle