diff --git a/flake.nix b/flake.nix
index 676e437a..e0acc049 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,18 +18,6 @@
     font-flake.url = "github:redyf/font-flake";
     # waybar-hyprland.url = "github:hyprwm/hyprland";
     # Neve.url = "github:redyf/Neve";
-    # nur.url = "github:nix-community/NUR";
-
-    # git+ssh://git@git.example.com/User/repo.git if you're using private repos
-    # berkeley = {
-    #   url = "git+ssh://git@github.com/redyf/berkeley.git";
-    #   flake = false;
-    # };
-
-    # monolisa-script = {
-    #   url = "git+ssh://git@github.com/redyf/test2.git";
-    #   flake = false;
-    # };
   };
 
   outputs = {
diff --git a/home/redyf/cli-apps/starship/bloated.nix b/home/redyf/cli-apps/starship/bloated.nix
new file mode 100644
index 00000000..91dd8d0c
--- /dev/null
+++ b/home/redyf/cli-apps/starship/bloated.nix
@@ -0,0 +1,137 @@
+let
+  inherit
+    (builtins)
+    concatStringsSep
+    ;
+  vertical = "║";
+in {
+  add_newline = false;
+  format = concatStringsSep "" [
+    "\n"
+    "[╓](bold)"
+    "$fill"
+    "\n"
+    vertical
+    "$username"
+    "$hostname"
+    "$kubernetes"
+    "$vcsh"
+    "$git_branch"
+    "$git_commit"
+    "$git_state"
+    "$git_metrics"
+    "$git_status"
+    "$hg_branch"
+    "$docker_context"
+    "$package"
+    "$cmake"
+    "$dart"
+    "$deno"
+    "$direnv"
+    "$dotnet"
+    "$elixir"
+    "$elm"
+    "$erlang"
+    "$golang"
+    "$helm"
+    "$java"
+    "$julia"
+    "$kotlin"
+    "$nim"
+    "$nodejs"
+    "$ocaml"
+    "$perl"
+    "$php"
+    "$purescript"
+    "$python"
+    "$red"
+    "$ruby"
+    "$rust"
+    "$scala"
+    "$swift"
+    "$terraform"
+    "$vlang"
+    "$vagrant"
+    "$zig"
+    "$nix_shell"
+    "\${custom.mob}"
+    "$conda"
+    "$memory_usage"
+    "$aws"
+    "$gcloud"
+    "$openstack"
+    "$env_var"
+    "$crystal"
+    "$cmd_duration"
+    "$lua"
+    "$jobs"
+    "$battery"
+    "\n"
+    vertical
+    "$directory"
+    "\n"
+    vertical
+    "$status"
+    " [ $shell](bold)"
+    "$shlvl"
+    "$character"
+  ];
+  fill = {
+    symbol = "─";
+    style = "bold";
+  };
+  directory = {
+    truncation_length = 0;
+    format = " [ : $path]($style)[$read_only]($read_only_style) ";
+  };
+  direnv.disabled = false;
+  shell.disabled = false;
+  shlvl = {
+    disabled = false;
+    threshold = 2;
+    style = "bold red";
+    symbol = "";
+  };
+  status = {
+    disabled = false;
+    symbol = " ";
+  };
+  username = {
+    show_always = true;
+    format = " [  $user]($style) ";
+  };
+  git_branch = {format = "[$symbol$branch]($style) ";};
+  nix_shell = {
+    format = "via [$symbol$state]($style) ";
+  };
+  custom.mob = {
+    command = "echo $MOB_TIMER_ROOM";
+    format = "[ ($output)]($style) ";
+    when = "[[ -v MOB_TIMER_ROOM ]]";
+  };
+
+  # https://starship.rs/presets/nerd-font.html
+  aws.symbol = " ";
+  conda.symbol = " ";
+  dart.symbol = " ";
+  directory.read_only = " ";
+  docker_context.symbol = " ";
+  elixir.symbol = " ";
+  elm.symbol = " ";
+  git_branch.symbol = " ";
+  golang.symbol = " ";
+  hg_branch.symbol = " ";
+  java.symbol = " ";
+  julia.symbol = " ";
+  memory_usage.symbol = "󰍛 ";
+  nim.symbol = " ";
+  nix_shell.symbol = " ";
+  package.symbol = "󰏗 ";
+  perl.symbol = " ";
+  php.symbol = " ";
+  python.symbol = " ";
+  ruby.symbol = " ";
+  rust.symbol = " ";
+  scala.symbol = " ";
+  swift.symbol = "ﯣ ";
+}
diff --git a/home/redyf/cli-apps/starship/default.nix b/home/redyf/cli-apps/starship/default.nix
index 7d07078b..7e1578bf 100644
--- a/home/redyf/cli-apps/starship/default.nix
+++ b/home/redyf/cli-apps/starship/default.nix
@@ -1,279 +1,12 @@
 {pkgs, ...}: {
-  home.packages = with pkgs; [starship];
   programs.starship = let
-    flavour = "macchiato"; # One of `latte`, `frappe`, `macchiato`, or `mocha`
+    mochaPreset = import ./mocha.nix;
+    oxocarbonPreset = import ./oxocarbon.nix;
+    bloatedPreset = import ./bloated.nix;
+    catppuccinPreset = import ./catppuccin.nix {inherit pkgs;};
   in {
     enable = true;
     enableZshIntegration = true;
-    settings =
-      # Catppuccin
-      {
-        scan_timeout = 30;
-        command_timeout = 2000;
-        add_newline = false;
-        line_break.disabled = false;
-        right_format = ''
-          $all
-        '';
-        character = {
-          success_symbol = "[](#cbced3)";
-          error_symbol = "[](#dd6777) ";
-          vicmd_symbol = "[](#ecd3a0)";
-          # format = "$symbol[ ](bold #b4befe) ";
-          format = "$symbol[λ ](bold #b4befe) ";
-        };
-
-        # format = ''
-        #   $directory$git_branch$git_state$git_metrics$dart$lua$nodejs$package$python$rust$nix_shell$custom
-        #   $character
-        # '';
-
-        format = ''
-          $directory
-          $character
-        '';
-
-        palette = "catppuccin_${flavour}";
-
-        aws = {
-          format = "on [$symbol($profile )(\($region) )]($style)";
-          style = "bold blue";
-          symbol = " ";
-        };
-
-        dart = {
-          format = "via [$symbol($version )]($style)";
-          symbol = "[]($style) ";
-          style = "bold blue";
-        };
-
-        direnv = {
-          format = "[$symbol$loaded/$allowed]($style) ";
-          symbol = "direnv ";
-          style = "bold orange";
-          disabled = true;
-        };
-
-        docker_context = {
-          disabled = true;
-        };
-
-        elixir = {
-          format = "via [$symbol($version \(OTP $otp_version\) )]($style)";
-          symbol = " ";
-          style = "bold purple";
-        };
-
-        git_branch = {
-          format = "on [$symbol$branch(:$remote_branch)]($style) ";
-          symbol = " ";
-          style = "bold purple";
-        };
-
-        git_commit = {
-          format = "[\($hash$tag\)]($style) ";
-          commit_hash_length = 7;
-          style = "bold green";
-        };
-
-        golang = {
-          format = "via [$symbol($version )]($style)";
-          style = "bold blue";
-          symbol = "[ ]($style)";
-        };
-
-        haskell = {
-          format = "via [$symbol($version )]($style)";
-          symbol = "λ ";
-          style = "bold purple";
-        };
-
-        kubernetes = {
-          symbol = "☸ ";
-          disabled = false;
-          detect_files = ["Dockerfile"];
-          format = "[$context(\[$namespace\])]($style) ";
-        };
-
-        lua = {
-          format = "via [$symbol($version )]($style)";
-          symbol = "[]($style) ";
-          style = "bold blue";
-        };
-
-        nix_shell = {
-          format = "via [$symbol$state( \($name\))]($style) ";
-          symbol = "󱄅 ";
-          style = "bold blue";
-          disabled = false;
-        };
-
-        nodejs = {
-          format = "via [$symbol($version )]($style)";
-          style = "bold green";
-          symbol = " ";
-          version_format = "v$raw(blue)";
-        };
-
-        ocaml = {
-          format = "via [$symbol($version )(\($switch_indicator$switch_name\) )]($style)";
-          symbol = "🐫 ";
-          style = "bold yellow";
-          version_format = "v$raw";
-        };
-
-        package = {
-          format = "is [$symbol$version]($style) ";
-          symbol = " ";
-          style = "bold 208";
-        };
-
-        python = {
-          format = "via [$symbol$pyenv_prefix($version )(\($virtualenv\) )]($style)";
-          symbol = "[]($style) ";
-          style = "bold blue";
-        };
-
-        rust = {
-          format = "via [$symbol($version )]($style)";
-          symbol = "[]($style) ";
-          style = "bold #f74b00";
-        };
-
-        shell = {
-          disabled = true;
-          zsh_indicator = "zsh";
-        };
-
-        custom = {
-          nix = {
-            disabled = true;
-            detect_files = ["flake.nix" "default.nix" "shell.nix"];
-            # format = "via [$symbol nix-shell]($style) ";
-            # command = ''
-            #   if [ -e flake.nix ] || [ -e default.nix ] || [ -e shell.nix ]; then
-            #     echo " (nix-shell)"
-            #   fi
-            # '';
-            format = "[$symbol$output]($style)";
-            style = "bold blue";
-            symbol = "[](bold blue) ";
-          };
-        };
-
-        username = {
-          show_always = false;
-          style_user = "bold bg:none fg:#7aa2f7";
-          format = "[$user]($style)";
-        };
-
-        hostname = {
-          disabled = true;
-          ssh_only = false;
-          style = "bold bg:none fg:#CDD6F4";
-          format = "@[$hostname]($style) ";
-        };
-
-        directory = {
-          read_only = " ";
-          truncation_length = 3;
-          truncation_symbol = "./";
-          # style = "bold bg:none fg:#7aa2f7";
-          style = "bold bg:none fg:#b4befe";
-          # style = "bold bg:none fg:#ec6a88";
-        };
-
-        time = {
-          disabled = true;
-          use_12hr = true;
-          time_range = "-";
-          time_format = "%R";
-          utc_time_offset = "local";
-          format = "[ $time 󰥔]($style) ";
-          style = "bold #393939";
-        };
-      }
-      // builtins.fromTOML (builtins.readFile (pkgs.fetchFromGitHub
-        {
-          owner = "catppuccin";
-          repo = "starship";
-          rev = "HEAD";
-          sha256 = "sha256-KzXO4dqpufxTew064ZLp3zKIXBwbF8Bi+I0Xa63j/lI=";
-        }
-        + /palettes/${flavour}.toml));
+    settings = oxocarbonPreset;
   };
-  # Mocha
-  #   {
-  #     add_newline = false;
-  #     format = ''
-  #       [](#b4befe)[  ](bg:#b4befe fg:black)[](bg:black fg:#b4befe)$directory[](black) $git_branch$nix_shell
-  #       $character
-  #     '';
-  #     directory = {
-  #       format = "[ $path ]($style)";
-  #       style = "bg:black";
-  #       truncate_to_repo = false;
-  #     };
-  #     git_branch = {
-  #       style = "bold yellow";
-  #     };
-  #     character = {
-  #       success_symbol = "[🠚 ](bold #b4befe)";
-  #       error_symbol = "[🠚 ](bold #dd6777)";
-  #     };
-  #     nix_shell = {
-  #       symbol = "[](bold #7aa2f7) ";
-  #   };
-  # };
-  # Oxocarbon
-  # {
-  #   scan_timeout = 10;
-  #   add_newline = true;
-  #   line_break.disabled = false;
-  #   format = "$symbol[󰉊 ](bold #ee5396) $directory$character";
-  #   right_format = "$time";
-  #   character = {
-  #     success_symbol = "[󰅂 ](bold #393939)";
-  #     error_symbol = "[󰅂 ](bold #393939)";
-  #     vicmd_symbol = "[󰅂 ](bold #393939)";
-  #   };
-  #   username = {
-  #     show_always = false;
-  #     style_user = "bold bg:none fg:#7aa2f7";
-  #     format = "[$user]($style)";
-  #   };
-  #
-  #   hostname = {
-  #     disabled = true;
-  #     ssh_only = false;
-  #     style = "bold bg:none fg:#CDD6F4";
-  #     format = "@[$hostname]($style) ";
-  #   };
-  #
-  #   directory = {
-  #     read_only = " ";
-  #     truncation_length = 3;
-  #     truncation_symbol = "./";
-  #     style = "bold bg:none fg:#393939";
-  #   };
-  #
-  #   time = {
-  #     disabled = false;
-  #     use_12hr = true;
-  #     time_range = "-";
-  #     time_format = "%R";
-  #     utc_time_offset = "local";
-  #     format = "[ $time 󰥔]($style) ";
-  #     style = "bold #393939";
-  #   };
-  #
-  #   nix_shell = {
-  #     disabled = false;
-  #     heuristic = false;
-  #     impure_msg = "[impure-shell](red)";
-  #     pure_msg = "[pure-shell](green)";
-  #     unknown_msg = "[unknown-shell](yellow)";
-  #   };
-  # };
-  # };
 }
diff --git a/home/redyf/cli-apps/starship/macchiato.nix b/home/redyf/cli-apps/starship/macchiato.nix
new file mode 100644
index 00000000..84fa0450
--- /dev/null
+++ b/home/redyf/cli-apps/starship/macchiato.nix
@@ -0,0 +1,201 @@
+{pkgs}: let
+  flavour = "macchiato"; # One of `latte`, `frappe`, `macchiato`, or `mocha`
+in
+  {
+    scan_timeout = 30;
+    command_timeout = 2000;
+    add_newline = false;
+    line_break.disabled = false;
+    right_format = ''
+      $all
+    '';
+    character = {
+      success_symbol = "[](#cbced3)";
+      error_symbol = "[](#dd6777) ";
+      vicmd_symbol = "[](#ecd3a0)";
+      # format = "$symbol[ ](bold #b4befe) ";
+      # format = "$symbol[λ ](bold #b4befe) ";
+      format = "$symbol[>](#b4befe) ";
+    };
+
+    format = ''
+      $directory$git_branch$git_state$git_metrics$dart$lua$nodejs$package$python$rust$nix_shell$custom
+      $character
+    '';
+
+    # format = ''
+    #   $username$git_branch$git_state$git_status$git_commit$git_metrics$nix_shell$aws
+    #   $directory$character
+    # '';
+
+    palette = "catppuccin_${flavour}";
+
+    aws = {
+      format = "on [$symbol($profile )(\($region) )]($style)";
+      style = "bold blue";
+      symbol = " ";
+    };
+
+    dart = {
+      format = "via [$symbol($version )]($style)";
+      symbol = "[]($style) ";
+      style = "bold blue";
+    };
+
+    direnv = {
+      format = "[$symbol$loaded/$allowed]($style) ";
+      symbol = "direnv ";
+      style = "bold orange";
+      disabled = true;
+    };
+
+    docker_context = {
+      disabled = true;
+    };
+
+    elixir = {
+      format = "via [$symbol($version \(OTP $otp_version\) )]($style)";
+      symbol = " ";
+      style = "bold purple";
+    };
+
+    git_branch = {
+      format = "on [$symbol$branch(:$remote_branch)]($style) ";
+      symbol = " ";
+      style = "bold purple";
+    };
+
+    git_commit = {
+      format = "[\($hash$tag\)]($style) ";
+      commit_hash_length = 7;
+      style = "bold green";
+    };
+
+    golang = {
+      format = "via [$symbol($version )]($style)";
+      style = "bold blue";
+      symbol = "[ ]($style)";
+    };
+
+    haskell = {
+      format = "via [$symbol($version )]($style)";
+      symbol = "λ ";
+      style = "bold purple";
+    };
+
+    kubernetes = {
+      symbol = "☸ ";
+      disabled = false;
+      detect_files = ["Dockerfile"];
+      format = "[$context(\[$namespace\])]($style) ";
+    };
+
+    lua = {
+      format = "via [$symbol($version )]($style)";
+      symbol = "[]($style) ";
+      style = "bold blue";
+    };
+
+    nix_shell = {
+      symbol = " ";
+      format = "via [$symbol$state]($style) ";
+      # symbol = "󱄅 ";
+      # format = "via [$symbol$state( \($name\))]($style) ";
+      style = "bold blue";
+      disabled = false;
+    };
+
+    nodejs = {
+      format = "via [$symbol($version )]($style)";
+      style = "bold green";
+      symbol = " ";
+      version_format = "v$raw(blue)";
+    };
+
+    ocaml = {
+      format = "via [$symbol($version )(\($switch_indicator$switch_name\) )]($style)";
+      symbol = "🐫 ";
+      style = "bold yellow";
+      version_format = "v$raw";
+    };
+
+    package = {
+      format = "is [$symbol$version]($style) ";
+      symbol = " ";
+      style = "bold 208";
+    };
+
+    python = {
+      format = "via [$symbol$pyenv_prefix($version )(\($virtualenv\) )]($style)";
+      symbol = "[]($style) ";
+      style = "bold blue";
+    };
+
+    rust = {
+      format = "via [$symbol($version )]($style)";
+      symbol = "[]($style) ";
+      style = "bold #f74b00";
+    };
+
+    shell = {
+      disabled = true;
+      zsh_indicator = "zsh";
+    };
+
+    custom = {
+      nix = {
+        disabled = true;
+        detect_files = ["flake.nix" "default.nix" "shell.nix"];
+        # format = "via [$symbol nix-shell]($style) ";
+        # command = ''
+        #   if [ -e flake.nix ] || [ -e default.nix ] || [ -e shell.nix ]; then
+        #     echo " (nix-shell)"
+        #   fi
+        # '';
+        format = "[$symbol$output]($style)";
+        style = "bold blue";
+        symbol = "[](bold blue) ";
+      };
+    };
+
+    username = {
+      show_always = true;
+      # style_user = "bold bg:none fg:#7aa2f7";
+      # format = "[$user]($style)";
+      format = "[ $user]($style) ";
+    };
+
+    hostname = {
+      disabled = true;
+      ssh_only = false;
+      style = "bold bg:none fg:#CDD6F4";
+      format = "@[$hostname]($style) ";
+    };
+
+    directory = {
+      read_only = " ";
+      truncation_length = 3;
+      truncation_symbol = "./";
+      # style = "bold bg:none fg:#7aa2f7";
+      style = "bold bg:none fg:#b4befe";
+      # style = "bold bg:none fg:#ec6a88";
+    };
+
+    time = {
+      disabled = true;
+      use_12hr = true;
+      time_range = "-";
+      time_format = "%R";
+      utc_time_offset = "local";
+      format = "[ $time 󰥔]($style) ";
+      style = "bold #393939";
+    };
+  }
+  // builtins.fromTOML (builtins.readFile (pkgs.fetchFromGitHub
+    {
+      owner = "catppuccin";
+      repo = "starship";
+      rev = "HEAD";
+      sha256 = "sha256-KzXO4dqpufxTew064ZLp3zKIXBwbF8Bi+I0Xa63j/lI=";
+    }
+    + /palettes/${flavour}.toml))
diff --git a/home/redyf/cli-apps/starship/mocha.nix b/home/redyf/cli-apps/starship/mocha.nix
new file mode 100644
index 00000000..941eb1a6
--- /dev/null
+++ b/home/redyf/cli-apps/starship/mocha.nix
@@ -0,0 +1,22 @@
+{
+  add_newline = false;
+  format = ''
+    [](#b4befe)[  ](bg:#b4befe fg:black)[](bg:black fg:#b4befe)$directory[](black) $git_branch$nix_shell
+    $character
+  '';
+  directory = {
+    format = "[ $path ]($style)";
+    style = "bg:black";
+    truncate_to_repo = false;
+  };
+  git_branch = {
+    style = "bold yellow";
+  };
+  character = {
+    success_symbol = "[🠚 ](bold #b4befe)";
+    error_symbol = "[🠚 ](bold #dd6777)";
+  };
+  nix_shell = {
+    symbol = "[](bold #7aa2f7) ";
+  };
+}
diff --git a/home/redyf/cli-apps/starship/oxocarbon.nix b/home/redyf/cli-apps/starship/oxocarbon.nix
new file mode 100644
index 00000000..f54ea161
--- /dev/null
+++ b/home/redyf/cli-apps/starship/oxocarbon.nix
@@ -0,0 +1,49 @@
+{
+  scan_timeout = 10;
+  add_newline = true;
+  line_break.disabled = false;
+  format = "$symbol[󰉊 ](bold #ee5396) $directory$character";
+  right_format = "$time";
+  character = {
+    success_symbol = "[󰅂 ](bold #393939)";
+    error_symbol = "[󰅂 ](bold #393939)";
+    vicmd_symbol = "[󰅂 ](bold #393939)";
+  };
+  username = {
+    show_always = false;
+    style_user = "bold bg:none fg:#7aa2f7";
+    format = "[$user]($style)";
+  };
+
+  hostname = {
+    disabled = true;
+    ssh_only = false;
+    style = "bold bg:none fg:#CDD6F4";
+    format = "@[$hostname]($style) ";
+  };
+
+  directory = {
+    read_only = " ";
+    truncation_length = 3;
+    truncation_symbol = "./";
+    style = "bold bg:none fg:#393939";
+  };
+
+  time = {
+    disabled = false;
+    use_12hr = true;
+    time_range = "-";
+    time_format = "%R";
+    utc_time_offset = "local";
+    format = "[ $time 󰥔]($style) ";
+    style = "bold #393939";
+  };
+
+  nix_shell = {
+    disabled = false;
+    heuristic = false;
+    impure_msg = "[impure-shell](red)";
+    pure_msg = "[pure-shell](green)";
+    unknown_msg = "[unknown-shell](yellow)";
+  };
+}
diff --git a/home/redyf/system/nix/default.nix b/home/redyf/system/nix/default.nix
index 95cbeed7..3221d7d7 100644
--- a/home/redyf/system/nix/default.nix
+++ b/home/redyf/system/nix/default.nix
@@ -4,5 +4,6 @@
     statix
     alejandra
     nix-init
+    nixpkgs-review
   ];
 }
diff --git a/hosts/redyf/configuration.nix b/hosts/redyf/configuration.nix
index c3704ee0..7f6c5a8d 100644
--- a/hosts/redyf/configuration.nix
+++ b/hosts/redyf/configuration.nix
@@ -93,6 +93,9 @@ in {
     # avoid checking if IP is already taken to boot a few seconds faster
     dhcpcd.extraConfig = "noarp";
     hostName = "redyf"; # Define your hostname.
+    firewall = {
+      enable = true;
+    };
     # wireless.enable = true;  # Enables wireless support via wpa_supplicant.
     # Configure network proxy if necessary
     # proxy.default = "http://user:password@proxy:port/";
@@ -158,10 +161,8 @@ in {
     base16Scheme = "${pkgs.base16-schemes}/share/themes/${theme}.yaml";
     fonts = {
       monospace = {
-        # package = with pkgs; nerdfonts.override {fonts = ["FiraCode"];};
-        # name = "FiraCode Nerd Font Mono Med";
         package = with pkgs; inputs.font-flake.packages.${system}.sf-mono;
-        name = "Liga SFMono Nerd Font";
+        name = "Liga SFMono Nerd Font Medium";
       };
       sansSerif = {
         package = pkgs.dejavu_fonts;
@@ -293,11 +294,11 @@ in {
         '';
       };
       desktopManager = {
-        xfce.enable = false;
+        xfce.enable = true;
       };
       windowManager = {
         awesome = {
-          enable = true;
+          enable = false;
           luaModules = with pkgs.luaPackages; [
             luarocks
           ];
diff --git a/shells/default/default.nix b/shells/default/default.nix
deleted file mode 100644
index a0230900..00000000
--- a/shells/default/default.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{pkgs, ...}:
-pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [
-    treefmt
-
-    alejandra
-    python310Packages.mdformat
-    shfmt
-  ];
-}
diff --git a/shells/go/shell.nix b/shells/go/shell.nix
deleted file mode 100644
index 513a8904..00000000
--- a/shells/go/shell.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-{pkgs ? import <nixpkgs> {}}:
-pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [
-    go
-  ];
-}
diff --git a/shells/java/shell.nix b/shells/java/shell.nix
deleted file mode 100644
index 427da20e..00000000
--- a/shells/java/shell.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-{pkgs ? import <nixpkgs> {}}:
-pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [
-    # TODO: Disabled some of them to install with mason
-    jdk # Java dev kit
-    # jdt-language-server # Jdtls integration
-    # checkstyle # Linter
-    # google-java-format # Formatter
-    # vscode-extensions.vscjava.vscode-java-debug
-    # vscode-extensions.vscjava.vscode-java-test
-    maven # Build automation tool for java
-    # gradle # Enterprise-grade build system
-    # spring-boot-cli
-  ];
-  shellHook = ''
-    echo "Environment is ready" | ${pkgs.lolcat}/bin/lolcat;
-  '';
-}
diff --git a/shells/js/shell.nix b/shells/js/shell.nix
deleted file mode 100644
index 54e32ff6..00000000
--- a/shells/js/shell.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{pkgs ? import <nixpkgs> {}}:
-pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [
-    bun
-    nodejs
-    typescript
-    nodePackages.npm # Package manager
-    nodePackages_latest.pnpm
-    nodePackages_latest.ts-node
-    nodePackages_latest.dotenv-cli
-  ];
-  shellHook = ''
-    echo "Environment is ready" | ${pkgs.lolcat}/bin/lolcat;
-  '';
-}
diff --git a/shells/lua/shell.nix b/shells/lua/shell.nix
deleted file mode 100644
index 05885daa..00000000
--- a/shells/lua/shell.nix
+++ /dev/null
@@ -1,13 +0,0 @@
-{pkgs ? import <nixpkgs> {}}:
-pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [
-    lua # Lua programming language
-    stylua # Lua formatter
-    selene # Lua linter written in rust
-    lua-language-server # Lua LSP
-    luajitPackages.luarocks-nix # Package manager for Lua on Nix
-  ];
-  shellHook = ''
-    echo "Environment is ready" | ${pkgs.lolcat}/bin/lolcat;
-  '';
-}
diff --git a/shells/python/default.nix b/shells/python/default.nix
deleted file mode 100644
index 62680ea0..00000000
--- a/shells/python/default.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{pkgs ? import <nixpkgs> {}}:
-pkgs.mkShell {
-  buildInputs = with pkgs.python311Packages; [
-    pip
-    pypresence
-  ];
-  shellHook = ''
-    echo "Environment is ready" | ${pkgs.lolcat}/bin/lolcat;
-  '';
-}
diff --git a/shells/rust/shell.nix b/shells/rust/shell.nix
deleted file mode 100644
index 81f30a35..00000000
--- a/shells/rust/shell.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{pkgs ? import <nixpkgs> {}}:
-pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [
-    cargo # Downloads your Rust project's dependencies and builds your project
-    clippy # A bunch of lints to catch common mistakes and improve your Rust code
-    lldb # A next-generation high-performance debugger
-    rust-analyzer # Lsp for rust
-    rustc # Compiler for rust
-    rustfmt # Formatter for rust language
-    # rustup # The Rust toolchain installer
-  ];
-  shellHook = ''
-    echo "Environment is ready" | ${pkgs.lolcat}/bin/lolcat;
-  '';
-}