diff --git a/configurations/nixos/base-image/default.nix b/configurations/nixos/base-image/default.nix
index fb80fbe..480fe19 100644
--- a/configurations/nixos/base-image/default.nix
+++ b/configurations/nixos/base-image/default.nix
@@ -17,17 +17,11 @@ in
   deploy = {
     enable = false;
   };
-
   services = {
     tty-ips.enable = true;
   };
   networking = {
-    yggdrasil = {
-      enable = true;
-      AllowedPublicKeys = [
-        "d0e265fcf663451ae9bc048dc1297749819ce9d48042a986f2866c15a779a074"
-      ];
-    };
+
     hostName = "tofu";
   };
   environment.systemPackages = [
diff --git a/configurations/nixos/observer-tofu/default.nix b/configurations/nixos/observer-tofu/default.nix
index 312a252..39811a0 100644
--- a/configurations/nixos/observer-tofu/default.nix
+++ b/configurations/nixos/observer-tofu/default.nix
@@ -29,12 +29,6 @@ in
     };
   };
   networking = {
-    yggdrasil = {
-      enable = true;
-      AllowedPublicKeys = [
-        "d0e265fcf663451ae9bc048dc1297749819ce9d48042a986f2866c15a779a074"
-      ];
-    };
     hostName = "observer-tofu";
   };
   environment.systemPackages = [
diff --git a/configurations/nixos/tofu/default.nix b/configurations/nixos/tofu/default.nix
index 35de13c..b8acf85 100644
--- a/configurations/nixos/tofu/default.nix
+++ b/configurations/nixos/tofu/default.nix
@@ -39,12 +39,6 @@ in
     };
   };
   networking = {
-    yggdrasil = {
-      enable = true;
-      AllowedPublicKeys = [
-        "d0e265fcf663451ae9bc048dc1297749819ce9d48042a986f2866c15a779a074"
-      ];
-    };
     hostName = "tofu";
   };
   environment.systemPackages = [
diff --git a/modules/nixos/common/ygg.nix b/modules/nixos/common/ygg.nix
new file mode 100644
index 0000000..3c50e6f
--- /dev/null
+++ b/modules/nixos/common/ygg.nix
@@ -0,0 +1,8 @@
+_: {
+  networking.yggdrasil = {
+    enable = true;
+    AllowedPublicKeys = [
+      "d0e265fcf663451ae9bc048dc1297749819ce9d48042a986f2866c15a779a074"
+    ];
+  };
+}