diff --git a/nix/master.nix b/nix/master.nix
index e06edd8..c0c0525 100644
--- a/nix/master.nix
+++ b/nix/master.nix
@@ -130,7 +130,6 @@ in
         ps.treq
         ps.psycopg2
         (ps.toPythonModule pkgs.buildbot-worker)
-        ps.setuptools
         pkgs.buildbot-plugins.www
         pkgs.buildbot-plugins.www-react
         pkgs.buildbot-plugins.console-view