diff --git a/nixos/modules/security/pam.nix b/nixos/modules/security/pam.nix
index 1085501e859..782716e5197 100644
--- a/nixos/modules/security/pam.nix
+++ b/nixos/modules/security/pam.nix
@@ -777,7 +777,6 @@ in
           '';
 
         # Most of these should be moved to specific modules.
-        cups = {};
         ftp = {};
         i3lock = {};
         i3lock-color = {};