2 files changed, 2 insertions, 7 deletions
diff --git a/nixos/modules/services/networking/bitlbee.nix b/nixos/modules/services/networking/bitlbee.nix
index 5e6847097a94..e72ea20cccee 100644
--- a/nixos/modules/services/networking/bitlbee.nix
+++ b/nixos/modules/services/networking/bitlbee.nix
@@ -7,11 +7,6 @@ let
   cfg = config.services.bitlbee;
   bitlbeeUid = config.ids.uids.bitlbee;
 
-  authModeCheck = v:
-    v == "Open" ||
-    v == "Closed" ||
-    v == "Registered";
-
   bitlbeeConfig = pkgs.writeText "bitlbee.conf"
     ''
     [settings]
@@ -67,7 +62,7 @@ in
 
       authMode = mkOption {
         default = "Open";
-        type = types.addCheck types.str authModeCheck;
+        type = types.enum [ "Open" "Closed" "Registered" ];
         description = ''
           The following authentication modes are available:
             Open -- Accept connections from anyone, use NickServ for user authentication.
diff --git a/nixos/modules/services/networking/tinc.nix b/nixos/modules/services/networking/tinc.nix
index b26d30597b1f..f8e68fda7fc2 100644
--- a/nixos/modules/services/networking/tinc.nix
+++ b/nixos/modules/services/networking/tinc.nix
@@ -68,7 +68,7 @@ in
 
             interfaceType = mkOption {
               default = "tun";
-              type = types.addCheck types.str (n: n == "tun" || n == "tap");
+              type = types.enum [ "tun" "tap" ];
               description = ''
                 The type of virtual interface used for the network connection
               '';