diff --git a/flake.nix b/flake.nix
index ab6f26e6..834704f5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -20,9 +20,9 @@
     disko.url = "github:nix-community/disko/latest";
     disko.inputs.nixpkgs.follows = "nixpkgs";
 
-    # Manage secrets with agenix
-    # agenix.url = "github:ryantm/agenix";
-    # agenix.inputs.nixpkgs.follows = "nixpkgs";
+    # Opt-in state
+    impermanence.url = "github:nix-community/impermanence";
+    impermanence.inputs.nixpkgs.follows = "nixpkgs";
 
     # Manage secrets with sops
     sops-nix.url = "github:Mic92/sops-nix";
@@ -62,18 +62,6 @@
     # musnix.url = "github:musnix/musnix";
     # musnix.inputs.nixpkgs.follows = "nixpkgs";
 
-    # Network topology diagram generation
-    # nix-topology.url = "github:oddlama/nix-topology";
-    # nix-topology.inputs.nixpkgs.follows = "nixpkgs";
-
-    # Ags for widgets (this was a terrible idea)
-    # ags.url = "github:Aylur/ags";
-    # ags.inputs.nixpkgs.follows = "nixpkgs";
-
-    # Spicetify
-    # spicetify-nix.url = "github:Gerg-L/spicetify-nix";
-    # spicetify-nix.inputs.nixpkgs.follows = "nixpkgs";
-
     # Pinned versions
     # v4l2loopback-pinned.url = "github:nixos/nixpkgs/4684fd6b0c01e4b7d99027a34c93c2e09ecafee2";
     # unityhub-pinned.url = "github:huantianad/nixpkgs/9542b0bc7701e173a10e6977e57bbba68bb3051f";
@@ -157,9 +145,9 @@
     # Extra NixOS system modules for all hosts.
     # HM modules are passed through home/modules/default.nix instead.
     commonModules = [
-      # inputs.agenix.nixosModules.default
       inputs.sops-nix.nixosModules.sops
       inputs.disko.nixosModules.disko
+      inputs.impermanence.nixosModules.impermanence
     ];
   in {
     # Local shell for NixFlake directory
diff --git a/home/modules/default.nix b/home/modules/default.nix
index 759205e5..6a9b2762 100644
--- a/home/modules/default.nix
+++ b/home/modules/default.nix
@@ -27,8 +27,6 @@
     # HM modules imported from the flake inputs
     inputs.nix-flatpak.homeManagerModules.nix-flatpak
     inputs.nixvim.homeManagerModules.nixvim
-    # inputs.agenix.homeManagerModules.default
-    # inputs.ags.homeManagerModules.default
-    # inputs.spicetify-nix.homeManagerModules.default
+    inputs.impermanence.homeManagerModules.impermanence
   ];
 }