diff --git a/flake.nix b/flake.nix
index ebbbb63..3eaf72d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,7 +12,10 @@
     };
     nix-homebrew.url = "github:zhaofengli-wip/nix-homebrew";
     homebrew-core.url = "github:homebrew/homebrew-core";
-    homebrew-cask.url = "github:homebrew/homebrew-cask";
+    homebrew-cask = {
+      url = "github:homebrew/homebrew-cask";
+      flake = false;
+    };
     disko = {
       url = "github:nix-community/disko";
       inputs.nixpkgs.follows = "nixpkgs";
diff --git a/hosts/darwin/chidi/default.nix b/hosts/darwin/chidi/default.nix
index 5d94263..abf49f4 100644
--- a/hosts/darwin/chidi/default.nix
+++ b/hosts/darwin/chidi/default.nix
@@ -16,6 +16,5 @@
 
   environment.systemPackages = with pkgs; [
     slack
-    tuple
   ];
 }
diff --git a/profiles/base/home-manager/neovim/plugins/treesitter.nix b/profiles/base/home-manager/neovim/plugins/treesitter.nix
index b30b24c..2a3b3ce 100644
--- a/profiles/base/home-manager/neovim/plugins/treesitter.nix
+++ b/profiles/base/home-manager/neovim/plugins/treesitter.nix
@@ -8,6 +8,7 @@
     grammarPackages = with pkgs.vimPlugins.nvim-treesitter.builtGrammars; [
       bash
       fish
+      elixir
       json
       nix
       toml