diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 44e9a0f737f..3cb78b4c225 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -18993,11 +18993,7 @@ in
 
   mailman-web = with python3.pkgs; toPythonApplication mailman-web;
 
-  mastodon = callPackage ../servers/mastodon {
-    # With nodejs v14 the streaming endpoint breaks. Need migrate to uWebSockets.js or similar.
-    # https://github.com/tootsuite/mastodon/issues/15184
-    nodejs-slim = nodejs-slim-12_x;
-  };
+  mastodon = callPackage ../servers/mastodon { };
 
   materialize = callPackage ../servers/sql/materialize {
     inherit (buildPackages.darwin) bootstrap_cmds;