diff --git a/src/background/index.ts b/src/background/index.ts
index 8d43daf..04a701e 100644
--- a/src/background/index.ts
+++ b/src/background/index.ts
@@ -55,7 +55,6 @@ async function buildCookieValue(accountName: string): Promise<string | null> {
 
   return cookies
     .map((cookie) => `${cookie.name}=${cookie.value}`)
-    .concat(`__account__=${accountName}`)
     .join('; ')
 }
 
@@ -83,7 +82,7 @@ async function buildAddRules(): Promise<DeclarativeNetRequest.Rule[]> {
         ],
       },
       condition: {
-        regexFilter: `${rule.urlPattern}|__account__=${rule.account}`,
+        regexFilter: `${rule.urlPattern}`,
         resourceTypes: RESOURCE_TYPES,
       },
     })
@@ -188,7 +187,7 @@ function interceptRequests() {
 
       const autoSwitchRules = await ruleService.getAll()
       for (const rule of autoSwitchRules) {
-        const urlPattern = `${rule.urlPattern}|__account__=${rule.account}`
+        const urlPattern = `${rule.urlPattern}`
         if (new RegExp(urlPattern).test(details.url)) {
           const cookieValue = await buildCookieValue(rule.account)
           if (cookieValue) {
diff --git a/src/content/index.ts b/src/content/index.ts
index 02e0e7f..fa11dff 100644
--- a/src/content/index.ts
+++ b/src/content/index.ts
@@ -10,7 +10,6 @@ import {
 import './index.css'
 // Script that will be injected in the main page
 import { createElement } from './createElement'
-import injectedScript from './injected?script&module'
 import { ACCOUNT_ITEM_CLASS, ACCOUNT_REMOVE_CLASS, ADD_ACCOUNT_BUTTON_ID, createAccountItem, createAddAccountLink, createDivider } from './ui'
 
 async function addSwitchUserMenu(logoutForm: HTMLFormElement) {
@@ -84,13 +83,6 @@ async function switchAccount(account: string) {
   }
 }
 
-function injectScript() {
-  const script = document.createElement('script')
-  script.src = browser.runtime.getURL(injectedScript)
-  script.type = 'module'
-  document.head.prepend(script)
-}
-
 function ready(fn: () => void) {
   if (document.readyState !== 'loading') {
     fn()
@@ -126,7 +118,6 @@ function watchDom() {
 }
 
 async function init() {
-  injectScript()
   ready(watchDom)
 
   document.addEventListener('click', (event) => {
diff --git a/src/content/injected.ts b/src/content/injected.ts
deleted file mode 100644
index 83c2761..0000000
--- a/src/content/injected.ts
+++ /dev/null
@@ -1,68 +0,0 @@
-type FetchFn = typeof fetch
-type FetchInput = Parameters<FetchFn>[0]
-
-const ACCOUNT_PARAM = '__account__'
-
-class PatchedResponse extends Response {
-  constructor(private readonly response: Response) {
-    super(response.body, response)
-  }
-
-  get url() {
-    const url = new URL(this.response.url, window.location.origin)
-    url.searchParams.delete(ACCOUNT_PARAM)
-    return url.href
-  }
-}
-
-function patchUrl(oldUrl: string | URL) {
-  const account = document.querySelector<HTMLMetaElement>('meta[name="user-login"]')?.content
-  if (!account) {
-    return oldUrl
-  }
-
-  const newUrl = new URL(oldUrl, window.location.origin)
-  newUrl.searchParams.append(ACCOUNT_PARAM, account)
-
-  return newUrl
-}
-
-function patchRequestInfo(input: RequestInfo | URL) {
-  if (input instanceof Request) {
-    return input
-  }
-
-  return patchUrl(input)
-}
-
-function patchRequest() {
-  const OriginalRequest = window.Request
-  class PatchedRequest extends OriginalRequest {
-    constructor(input: RequestInfo | URL, init?: RequestInit) {
-      super(patchRequestInfo(input), init)
-    }
-  }
-
-  window.Request = PatchedRequest
-}
-
-function patchFetch() {
-  const originalFetch = window.fetch
-  const patchedFetch: FetchFn = async (input, options) => {
-    try {
-      const res = await originalFetch(patchRequestInfo(input), options)
-      return new PatchedResponse(res)
-    } catch (err) {
-      console.warn('Failed to fetch:', err)
-      throw err
-    }
-  }
-  window.fetch = patchedFetch
-}
-
-function init() {
-  patchRequest()
-  patchFetch()
-}
-
-init()