diff --git a/4.1-Extensions.md b/4.1-Extensions.md
index a87bcfb..872bc5c 100644
--- a/4.1-Extensions.md
+++ b/4.1-Extensions.md
@@ -45,19 +45,6 @@ This list covers privacy and security related extensions only. While we believe
      - While TC provides sanitizing, and uses a [dFPI-compatible API](https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/contextualIdentities/remove), this is not why it is recommended as optional, see `Cookie extensions` in the `DON'T BOTHER` section below
 * [Request Control](https://addons.mozilla.org/firefox/addon/requestcontrol/) | <sup>[github](https://github.com/tumpio/requestcontrol)</sup> | <sup>[manual](https://github.com/tumpio/requestcontrol/blob/master/_locales/en/manual.wiki)</sup> | <sup>[testing links](https://github.com/tumpio/requestcontrol/wiki/Testing-links)</sup>
 * [Redirector](https://addons.mozilla.org/firefox/addon/redirector/) <sup>✔ [privacy](https://github.com/einaregilsson/Redirector/blob/master/privacy.md)</sup> | <sup>[github](https://github.com/einaregilsson/Redirector)</sup> | note: Redirector is [no longer maintained](https://github.com/einaregilsson/Redirector/issues/329)
-* [Smart Referer](https://addons.mozilla.org/firefox/addon/smart-referer/) <sup>✔ [privacy](https://addons.mozilla.org/firefox/addon/smart-referer/privacy/)</sup> | <sup>[gitlab](https://gitlab.com/smart-referer/smart-referer)</sup> | <sup>[github: archived](https://github.com/meh/smart-referer)</sup>
-   * ⭐ Only if `1601` `network.http.referer.XOriginPolicy` is [too strict for you](https://github.com/arkenfox/user.js/wiki/3.2-Overrides-[Common]#-common), and you override it to default `0` (so Smart Referer works)
-   * Disable the whitelist <sup>2</sup>
-   * > <details><summary><sup>2</sup> click me for more instructions</summary><p>
-     > 
-     > * Uncheck `Use default whitelist`
-     >    * It is unmaintained. The now useless [update checks are via cloudflare](https://gitlab.com/smart-referrer/smart-referer/-/blob/master/assets/const.js)
-     >    * See SmartReferer's [privacy policy](https://addons.mozilla.org/firefox/addon/smart-referer/privacy/) for more information
-     > * Chose your mode: we recommend Strict and adding exceptions, but Lax (default) is still better than doing nothing
-     > 
-     > ![](https://github.com/arkenfox/user.js/blob/master/wikipiki/smartReferer.png)
-     > 
-     > </p></details>
 
 <sup>note: images have been edited for simplicity</sup>