diff --git a/packages/astro/test/fixtures/content-collections-with-config-mjs/package.json b/packages/astro/test/fixtures/content-collections-with-config-mjs/package.json
index eed4ebb90..3b20bebdf 100644
--- a/packages/astro/test/fixtures/content-collections-with-config-mjs/package.json
+++ b/packages/astro/test/fixtures/content-collections-with-config-mjs/package.json
@@ -3,7 +3,6 @@
   "version": "0.0.0",
   "private": true,
   "dependencies": {
-    "astro": "workspace:*",
-    "@astrojs/mdx": "workspace:*"
+    "astro": "workspace:*"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 028d1b00e..2468c9262 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1716,10 +1716,8 @@ importers:
 
   packages/astro/test/fixtures/content-collections-with-config-mjs:
     specifiers:
-      '@astrojs/mdx': workspace:*
       astro: workspace:*
     dependencies:
-      '@astrojs/mdx': link:../../../../integrations/mdx
       astro: link:../../..
 
   packages/astro/test/fixtures/content-ssr-integration: