diff --git a/3modules/default.nix b/3modules/default.nix
index af0e81d..00df56b 100644
--- a/3modules/default.nix
+++ b/3modules/default.nix
@@ -15,7 +15,6 @@ _:
     ./torrent.nix
     ./udpt.nix
     ./umts.nix
-    ./wvdial.nix
   ];
 }
 
diff --git a/3modules/wvdial.nix b/3modules/wvdial.nix
deleted file mode 100644
index 982f4a7..0000000
--- a/3modules/wvdial.nix
+++ /dev/null
@@ -1,70 +0,0 @@
-{ config, lib, pkgs, ... }:
-# from 17.03/nixos/modules/programs/wvdial.nix
-
-with lib;
-
-let
-
-  configFile = ''
-    [Dialer Defaults]
-    PPPD PATH = ${pkgs.ppp}/sbin/pppd
-    ${config.environment.wvdial.dialerDefaults}
-  '';
-
-  cfg = config.environment.wvdial;
-
-in
-{
-  ###### interface
-
-  options = {
-
-    environment.wvdial = {
-
-      dialerDefaults = mkOption {
-        default = "";
-        type = types.str;
-        example = ''Init1 = AT+CGDCONT=1,"IP","internet.t-mobile"'';
-        description = ''
-          Contents of the "Dialer Defaults" section of
-          <filename>/etc/wvdial.conf</filename>.
-        '';
-      };
-
-      pppDefaults = mkOption {
-        default = ''
-          noipdefault
-          usepeerdns
-          defaultroute
-          persist
-          noauth
-        '';
-        type = types.str;
-        description = "Default ppp settings for wvdial.";
-      };
-
-    };
-
-  };
-
-  ###### implementation
-
-  config = mkIf (cfg.dialerDefaults != "") {
-
-    environment = {
-
-      etc =
-      [
-        { source = pkgs.writeText "wvdial.conf" configFile;
-          target = "wvdial.conf";
-        }
-        { source = pkgs.writeText "wvdial" cfg.pppDefaults;
-          target = "ppp/peers/wvdial";
-        }
-      ];
-
-    };
-
-  };
-
-}