diff --git a/README.md b/README.md
index 4689209..a0a83a5 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ The script auto-updates itself from this repo (via `@updateURL`), so you don't n
 
 ## What it does
 
-On a book page on Bookshop.org, Amazon (`.fr`/`.com`), Waterstones, or Google Books, it:
+On a book page on Bookshop.org, Amazon (`.fr`/`.com`), or Waterstones, it:
 
 1. Extracts the book's ISBN (from the URL or page content) and, as a fallback, title/author.
 2. Checks whether the book is available on:
@@ -24,7 +24,6 @@ On a book page on Bookshop.org, Amazon (`.fr`/`.com`), Waterstones, or Google Bo
 - `bookshop.org/p/books/*`
 - `waterstones.com/book/*`
 - `amazon.fr` and `amazon.com` product pages (`/dp/*`)
-- Google Books (`books.google.com/books?id=…`, `google.com/books/edition/…`, and the `.fr` equivalents)
 
 ## Notes
 
diff --git a/book-links.user.js b/book-links.user.js
index e686c6c..ac73de3 100644
--- a/book-links.user.js
+++ b/book-links.user.js
@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         Book Links
 // @namespace    http://tampermonkey.net/
-// @version      1.3
+// @version      1.1
 // @description  Show Anna's Archive and Waterstones links when browsing books
 // @license      MIT
 // @match        https://bookshop.org/p/books/*
@@ -10,10 +10,6 @@
 // @match        https://www.amazon.fr/*/dp/*
 // @match        https://www.amazon.com/dp/*
 // @match        https://www.amazon.com/*/dp/*
-// @match        https://books.google.com/books?*
-// @match        https://www.google.com/books/edition/*
-// @match        https://books.google.fr/books?*
-// @match        https://www.google.fr/books/edition/*
 // @connect      annas-archive.gl
 // @connect      www.waterstones.com
 // @connect      www.chez-mon-libraire.fr
@@ -66,17 +62,6 @@
       return null;
     }
 
-    if (host.includes('google.')) {
-      const text = document.body?.innerText || '';
-      const m13 = text.match(/\b(97[89][-\d ]{9,14}\d)\b/);
-      if (m13) {
-        const cleaned = m13[1].replace(/[-\s]/g, '');
-        if (/^97[89]\d{10}$/.test(cleaned)) return cleaned;
-      }
-      const m10 = text.match(/ISBN[\s:]+(?:[\d-]+,\s*)?(\d{9}[\dX])\b/);
-      return m10 ? isbn10to13(m10[1]) : null;
-    }
-
     if (host.includes('bookshop.org')) {
       const el = document.querySelector('[itemprop="isbn"]');
       if (el && /^97[89]\d{10}$/.test(el.textContent.trim())) return el.textContent.trim();
@@ -121,12 +106,6 @@
       return { title, author };
     }
 
-    if (host.includes('google.')) {
-      const title = document.querySelector('h1')?.textContent?.trim();
-      const author = document.querySelector('a[href*="inauthor"]')?.textContent?.trim();
-      return { title, author };
-    }
-
     if (host.includes('waterstones.com')) {
       const title = (
         document.querySelector('[itemprop="name"]') ||