diff --git a/tooling/build-types-and-manifests.ts b/tooling/build-types-and-manifests.ts
index d6852fb12c0..e24f7957216 100644
--- a/tooling/build-types-and-manifests.ts
+++ b/tooling/build-types-and-manifests.ts
@@ -74,7 +74,6 @@ addManifest(
       type: 'module',
       scripts: ['/js/service_worker/background.js'],
     };
-    manifest.content_scripts?.splice(0, 1);
   },
   'firefox-consumer'
 );