diff --git a/home/comma/default.nix b/home/comma/default.nix
index cc6a0ad..60de863 100644
--- a/home/comma/default.nix
+++ b/home/comma/default.nix
@@ -5,25 +5,11 @@ in
 {
   options.my.home.comma = with lib; {
     enable = my.mkDisableOption "comma configuration";
-
-    pkgsFlake = mkOption {
-      type = types.str;
-      default = "pkgs";
-      example = "nixpkgs";
-      description = ''
-        Which flake from the registry should be used with
-        <command>nix shell</command>.
-      '';
-    };
   };
 
   config = lib.mkIf cfg.enable {
     home.packages = with pkgs; [
       ambroisie.comma
     ];
-
-    home.sessionVariables = {
-      COMMA_PKGS_FLAKE = cfg.pkgsFlake;
-    };
   };
 }