diff --git a/pkgs/servers/web-apps/outline/default.nix b/pkgs/servers/web-apps/outline/default.nix
index b555d1e371cd..57f8ea1b6d67 100644
--- a/pkgs/servers/web-apps/outline/default.nix
+++ b/pkgs/servers/web-apps/outline/default.nix
@@ -3,9 +3,9 @@
 , fetchFromGitHub
 , fetchYarnDeps
 , makeWrapper
+, prefetch-yarn-deps
 , nodejs
 , yarn
-, yarn2nix-moretea
 , nixosTests
 }:
 
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     hash = "sha256-t1m9pKsM9E2iAg9vv/nKmQioRi6kMjFGcTXzcT3cMxs=";
   };
 
-  nativeBuildInputs = [ makeWrapper yarn2nix-moretea.fixup_yarn_lock ];
+  nativeBuildInputs = [ makeWrapper prefetch-yarn-deps ];
   buildInputs = [ yarn nodejs ];
 
   yarnOfflineCache = fetchYarnDeps {
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     export NODE_OPTIONS=--openssl-legacy-provider
 
     yarn config --offline set yarn-offline-mirror $yarnOfflineCache
-    fixup_yarn_lock yarn.lock
+    fixup-yarn-lock yarn.lock
 
     yarn install --offline \
       --frozen-lockfile \
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1fc4e1d26aeb..fd48a2001fd4 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -26789,7 +26789,6 @@ with pkgs;
   onlyoffice-documentserver = callPackage ../servers/onlyoffice-documentserver { };
 
   outline = callPackage ../servers/web-apps/outline (lib.fix (super: {
-    yarn2nix-moretea = yarn2nix-moretea.override { inherit (super) nodejs yarn; };
     yarn = yarn.override { inherit (super) nodejs; };
     nodejs = nodejs_18;
   }));