diff --git a/pkgs/applications/networking/errbot/default.nix b/pkgs/applications/networking/errbot/default.nix
index 8af502660ee..5a561d5e10a 100644
--- a/pkgs/applications/networking/errbot/default.nix
+++ b/pkgs/applications/networking/errbot/default.nix
@@ -23,7 +23,7 @@ pythonPackages.buildPythonApplication rec {
     webtest bottle threadpool rocket-errbot requests jinja2
     pyopenssl colorlog Yapsy markdown ansi pygments dns pep8
     daemonize pygments-markdown-lexer telegram irc slackclient
-    pyside sleekxmpp hypchat pytest
+    sleekxmpp hypchat pytest
   ];
 
   meta = with stdenv.lib; {