diff --git a/krebs/3modules/lass/default.nix b/krebs/3modules/lass/default.nix
index 2ad4353bd..c99263fe8 100644
--- a/krebs/3modules/lass/default.nix
+++ b/krebs/3modules/lass/default.nix
@@ -2,35 +2,7 @@
 
 with lib;
 
-let
-  testHosts = lib.genAttrs [
-    "test-arch"
-    "test-centos6"
-    "test-centos7"
-  ] (name: {
-    inherit name;
-    cores = 1;
-    nets = {
-      retiolum = {
-        addrs4 = ["10.243.111.111"];
-        addrs6 = ["42:0:0:0:0:0:0:7357"];
-        aliases = [
-          "test.retiolum"
-        ];
-        tinc.pubkey = ''
-          -----BEGIN RSA PUBLIC KEY-----
-          MIIBCgKCAQEAy41YKF/wpHLnN370MSdnAo63QUW30aw+6O79cnaJyxoL6ZQkk4Nd
-          mrX2tBIfb2hhhgm4Jecy33WVymoEL7EiRZ6gshJaYwte51Jnrac6IFQyiRGMqHY5
-          TG/6IzzTOkeQrT1fw3Yfh0NRfqLBZLr0nAFoqgzIVRxvy+QO1gCU2UDKkQ/y5df1
-          K+YsMipxU08dsOkPkmLdC/+vDaZiEdYljIS3Omd+ED5JmLM3MSs/ZPQ8xjkjEAy8
-          QqD9/67bDoeXyg1ZxED2n0+aRKtU/CK/66Li//yev6yv38OQSEM4t/V0dr9sjLcY
-          VIdkxKf96F9r3vcDf/9xw2HrqVoy+D5XYQIDAQAB
-          -----END RSA PUBLIC KEY-----
-        '';
-      };
-    };
-  });
-in {
+{
   hosts = addNames {
     echelon = {
       cores = 2;
@@ -241,7 +213,7 @@ in {
       };
     };
 
-  } // testHosts;
+  };
   users = addNames {
     lass = {
       pubkey = readFile ../../Zpubkeys/lass.ssh.pub;
diff --git a/krebs/3modules/shared/default.nix b/krebs/3modules/shared/default.nix
index 24dd7b782..13aae886b 100644
--- a/krebs/3modules/shared/default.nix
+++ b/krebs/3modules/shared/default.nix
@@ -2,7 +2,35 @@
 
 with lib;
 
-{
+let
+  testHosts = lib.genAttrs [
+    "test-arch"
+    "test-centos6"
+    "test-centos7"
+  ] (name: {
+    inherit name;
+    cores = 1;
+    nets = {
+      retiolum = {
+        addrs4 = ["10.243.111.111"];
+        addrs6 = ["42:0:0:0:0:0:0:7357"];
+        aliases = [
+          "test.retiolum"
+        ];
+        tinc.pubkey = ''
+          -----BEGIN RSA PUBLIC KEY-----
+          MIIBCgKCAQEAy41YKF/wpHLnN370MSdnAo63QUW30aw+6O79cnaJyxoL6ZQkk4Nd
+          mrX2tBIfb2hhhgm4Jecy33WVymoEL7EiRZ6gshJaYwte51Jnrac6IFQyiRGMqHY5
+          TG/6IzzTOkeQrT1fw3Yfh0NRfqLBZLr0nAFoqgzIVRxvy+QO1gCU2UDKkQ/y5df1
+          K+YsMipxU08dsOkPkmLdC/+vDaZiEdYljIS3Omd+ED5JmLM3MSs/ZPQ8xjkjEAy8
+          QqD9/67bDoeXyg1ZxED2n0+aRKtU/CK/66Li//yev6yv38OQSEM4t/V0dr9sjLcY
+          VIdkxKf96F9r3vcDf/9xw2HrqVoy+D5XYQIDAQAB
+          -----END RSA PUBLIC KEY-----
+        '';
+      };
+    };
+  });
+in {
   hosts = addNames {
     wolf = {
       #dc = "shack";
@@ -32,7 +60,7 @@ with lib;
       ssh.privkey.path = <secrets/ssh.id_ed25519>;
       ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKYMXMWZIK0jjnZDM9INiYAKcwjXs2241vew54K8veCR";
     };
-  };
+  } // testHosts;
   users = addNames {
     shared = {
       mail = "spam@krebsco.de";
diff --git a/lass/1systems/test-arch.nix b/shared/1systems/test-arch.nix
similarity index 79%
rename from lass/1systems/test-arch.nix
rename to shared/1systems/test-arch.nix
index 0ab9da2f3..ece209490 100644
--- a/lass/1systems/test-arch.nix
+++ b/shared/1systems/test-arch.nix
@@ -1,10 +1,6 @@
-{ config, lib, pkgs, ... }:
+{ config, pkgs, ... }:
 
-let
-  inherit (import ../4lib { inherit pkgs lib; }) getDefaultGateway;
-  inherit (lib) head;
-
-in {
+{
   imports = [
     ../2configs/base.nix
     {
diff --git a/lass/1systems/test-centos6.nix b/shared/1systems/test-centos6.nix
similarity index 79%
rename from lass/1systems/test-centos6.nix
rename to shared/1systems/test-centos6.nix
index 7270c2262..a8b5f9b9c 100644
--- a/lass/1systems/test-centos6.nix
+++ b/shared/1systems/test-centos6.nix
@@ -1,10 +1,10 @@
 { config, lib, pkgs, ... }:
 
 let
-  inherit (import ../4lib { inherit pkgs lib; }) getDefaultGateway;
   inherit (lib) head;
 
   ip = "168.235.148.52";
+  gw = "168.235.148.1";
 in {
   imports = [
     ../2configs/base.nix
@@ -16,7 +16,7 @@ in {
           prefixLength = 24;
         }
       ];
-      networking.defaultGateway = getDefaultGateway ip;
+      networking.defaultGateway = gw;
       networking.nameservers = [
         "8.8.8.8"
       ];
diff --git a/lass/1systems/test-centos7.nix b/shared/1systems/test-centos7.nix
similarity index 79%
rename from lass/1systems/test-centos7.nix
rename to shared/1systems/test-centos7.nix
index 91bd3e0fe..51e99600c 100644
--- a/lass/1systems/test-centos7.nix
+++ b/shared/1systems/test-centos7.nix
@@ -1,10 +1,10 @@
 { config, lib, pkgs, ... }:
 
 let
-  inherit (import ../4lib { inherit pkgs lib; }) getDefaultGateway;
   inherit (lib) head;
 
   ip = "168.235.145.85";
+  gw = "168.235.145.1";
 in {
   imports = [
     ../2configs/base.nix
@@ -16,7 +16,7 @@ in {
           prefixLength = 24;
         }
       ];
-      networking.defaultGateway = getDefaultGateway ip;
+      networking.defaultGateway = gw;
       networking.nameservers = [
         "8.8.8.8"
       ];