diff --git a/flake.lock b/flake.lock
index 7de54ac..8298204 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1740250266,
-        "narHash": "sha256-fbB/I4bCsJ++BhRzDaeQmzw/Gt5Lrt1csJ8D2IkQANA=",
+        "lastModified": 1740494361,
+        "narHash": "sha256-Dd/GhJ9qKmUwuhgt/PAROG8J6YdU2ZjtJI9SQX5sVQI=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "61d8fc9af0f8568ffaff93e4001cb607f88790f9",
+        "rev": "74f0a8546e3f2458c870cf90fc4b38ac1f498b17",
         "type": "github"
       },
       "original": {
@@ -27,11 +27,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1739933872,
-        "narHash": "sha256-UhuvTR4OrWR+WBaRCZm4YMkvjJhZ1KZo/jRjE41m+Ek=",
+        "lastModified": 1740452771,
+        "narHash": "sha256-/tI1vFJ7/dXJqUmI+s0EV1F0DPe6dZvT444mrLUkrlU=",
         "owner": "LnL7",
         "repo": "nix-darwin",
-        "rev": "6ab392f626a19f1122d1955c401286e1b7cf6b53",
+        "rev": "42be12b510253d750138ec90c66decc282298b44",
         "type": "github"
       },
       "original": {
@@ -42,11 +42,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1740019556,
-        "narHash": "sha256-vn285HxnnlHLWnv59Og7muqECNMS33mWLM14soFIv2g=",
+        "lastModified": 1740396192,
+        "narHash": "sha256-ATMHHrg3sG1KgpQA5x8I+zcYpp5Sf17FaFj/fN+8OoQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dad564433178067be1fbdfcce23b546254b6d641",
+        "rev": "d9b69c3ec2a2e2e971c534065bdd53374bd68b97",
         "type": "github"
       },
       "original": {
@@ -58,11 +58,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1740243248,
-        "narHash": "sha256-GJ/fV5AE+4i38/eXmAgBZs4lKYXfScpxPYviUV8ujlk=",
+        "lastModified": 1740567784,
+        "narHash": "sha256-vtNes0DPo720tDDVTKrvLBhW/kY0EMHB1ik1Bw4bWZI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a6c4bfe37c51686c042b4bdb4e650a9414e96680",
+        "rev": "8c97496b319743c0ac82205fc6ba2197bf7db9a7",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 730bbe7..95a6ff6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,7 +25,6 @@
     email = "kulvir@duck.com";
 
     system = "aarch64-darwin"; # apple
-    x86 = "x86_64-linux";
     forAllSystems = nixpkgs.lib.genAttrs [
       "aarch64-darwin"
     ];
@@ -43,14 +42,6 @@
       ];
     };
 
-    # darwin-rebuild switch --flake .#vps
-    nixosConfigurations."vps" = nixpkgs.lib.nixosSystem {
-      specialArgs = {inherit inputs username email outputs;};
-      modules = [
-        ./hosts/vps
-      ];
-    };
-
     formatter = forAllSystems (system: nixpkgs.legacyPackages.${system}.alejandra);
   };
 }
diff --git a/hosts/mba/configuration.nix b/hosts/mba/configuration.nix
index 13d2e0b..3f4f2fc 100644
--- a/hosts/mba/configuration.nix
+++ b/hosts/mba/configuration.nix
@@ -3,7 +3,7 @@
   inputs,
   ...
 }: {
-  security.pam.enableSudoTouchIdAuth = true;
+  security.pam.services.sudo_local.touchIdAuth = true;
 
   # Set Git commit hash for darwin-version.
   system.configurationRevision = inputs.self.rev or inputs.self.dirtyRev or null;
diff --git a/hosts/mba/home.nix b/hosts/mba/home.nix
index 936c99a..6ccf296 100644
--- a/hosts/mba/home.nix
+++ b/hosts/mba/home.nix
@@ -14,7 +14,6 @@
     ../../modules/shell.nix
     ../../modules/starship.nix
     ../../modules/tmux.nix
-    ../../modules/zed.nix
   ];
 
   home.packages = [
@@ -22,12 +21,10 @@
     pkgs.bun
     pkgs.go
     pkgs.nodejs_23
-    # pkgs.python314 # coz awsebcli requires python in $PATH
     pkgs.pnpm
 
     pkgs.discord # nigga ain't working properly
     pkgs.redis
-    pkgs.zed-editor
   ];
 
   nixpkgs = {
diff --git a/hosts/mba/nix.nix b/hosts/mba/nix.nix
index d459025..1c27925 100644
--- a/hosts/mba/nix.nix
+++ b/hosts/mba/nix.nix
@@ -13,14 +13,4 @@
   nix.settings.experimental-features = "nix-command flakes";
 
   nixpkgs.hostPlatform = "${system}";
-
-  nix.gc = {
-    automatic = lib.mkDefault true;
-    options = lib.mkDefault "--delete-older-than 5d";
-  };
-
-  # https://github.com/NixOS/nix/issues/7273
-  nix.settings = {
-    auto-optimise-store = false;
-  };
 }
diff --git a/modules/git.nix b/modules/git.nix
index c9f06fe..06a1ef9 100644
--- a/modules/git.nix
+++ b/modules/git.nix
@@ -9,10 +9,7 @@
     userName = "Kulvir Singh";
     userEmail = "kulvirs734@gmail.com";
 
-    aliases = {
-      cm = "commit -m";
-      amend = "commit --amend";
-    };
+    aliases = {};
 
     ignores = [
       ".DS_Store"
diff --git a/modules/shell.nix b/modules/shell.nix
index 74c1161..c2b4474 100644
--- a/modules/shell.nix
+++ b/modules/shell.nix
@@ -2,13 +2,10 @@
   programs = {
     zsh = {
       enable = true;
-        envExtra = ''
-          eval "$(/opt/homebrew/bin/brew shellenv)"
-          export PATH="/opt/homebrew/bin:$PATH"
-
-          # export BUN_INSTALL="$HOME/.bun"
-          # export PATH="$BUN_INSTALL/bin:$PATH"
-        '';
+      envExtra = ''
+        eval "$(/opt/homebrew/bin/brew shellenv)"
+        export PATH="/opt/homebrew/bin:$PATH"
+      '';
       shellAliases = {
         ls = "lsd";
         lg = "lazygit";
diff --git a/modules/tmux.nix b/modules/tmux.nix
index 4b1d499..836b854 100644
--- a/modules/tmux.nix
+++ b/modules/tmux.nix
@@ -18,20 +18,20 @@
     ];
 
     extraConfig = ''
-       set-option -sa terminal-overrides ",xterm*:Tc"
+      set-option -sa terminal-overrides ",xterm*:Tc"
 
-       set -s escape-time 0
+      set -s escape-time 0
 
-       # split panes using | and -
-       unbind '"'
-       unbind %
-       bind - split-window -v -c "#{pane_current_path}"
-       bind _ split-window -h -c "#{pane_current_path}"
+      # split panes using | and -
+      unbind '"'
+      unbind %
+      bind - split-window -v -c "#{pane_current_path}"
+      bind _ split-window -h -c "#{pane_current_path}"
 
-       bind -r k select-pane -U
-       bind -r j select-pane -D
-       bind -r h select-pane -L
-       bind -r l select-pane -R
-      '';
+      bind -r k select-pane -U
+      bind -r j select-pane -D
+      bind -r h select-pane -L
+      bind -r l select-pane -R
+    '';
   };
 }