diff --git a/home/default.nix b/home/default.nix
index 0e2b103..10571be 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -6,7 +6,7 @@
 }: let
   inherit (pkgs.stdenv.hostPlatform) isDarwin isLinux;
 in {
-  imports = [./apps ./langs ./secrets/sops.nix ./xdg.nix];
+  imports = [./apps ./secrets/sops.nix ./xdg.nix];
 
   home = {
     packages = with pkgs; ([
diff --git a/home/langs/default.nix b/home/langs/default.nix
deleted file mode 100644
index 5b03eb0..0000000
--- a/home/langs/default.nix
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  imports = [
-    ./rust.nix
-  ];
-}
diff --git a/home/langs/rust.nix b/home/langs/rust.nix
deleted file mode 100644
index 335d61e..0000000
--- a/home/langs/rust.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-{
-  config,
-  pkgs,
-  ...
-}: let
-  inherit (config.xdg) dataHome;
-in {
-  home = rec {
-    packages = [
-      pkgs.sccache
-      pkgs.cargo-mommy
-    ];
-    sessionVariables = {
-      CARGO_HOME = "${dataHome}/cargo";
-      CARGO_REGISTRIES_CRATES_IO_PROTOCOL = "sparse";
-      CARGO_UNSTABLE_SPARSE_REGISTRY = "true";
-      CARGO_MOMMYS_LITTLE = "boy";
-      CARGO_MOMMYS_PRONOUNS = "his";
-      CARGO_MOMMYS_ROLES = "daddy";
-      RUSTC_WRAPPER = "sccache";
-      RUSTUP_HOME = "${dataHome}/rustup";
-    };
-    sessionPath = [
-      "${sessionVariables.CARGO_HOME}/bin"
-    ];
-    shellAliases = {
-      "cargo" = "cargo mommy";
-    };
-  };
-}
diff --git a/home/xdg.nix b/home/xdg.nix
index c347908..03f3062 100644
--- a/home/xdg.nix
+++ b/home/xdg.nix
@@ -12,13 +12,19 @@ in {
   home = rec {
     sessionVariables = {
       AZURE_CONFIG_DIR = "${configHome}/azure";
+      BUNDLE_USER_CACHE = "${cacheHome}/bundle";
+      BUNDLE_USER_CONFIG = "${configHome}/bundle";
+      BUNDLE_USER_PLUGIN = "${dataHome}/bundle";
+      CARGO_HOME = "${dataHome}/cargo";
       CUDA_CACHE_PATH = "${dataHome}/nv";
       DOCKER_CONFIG = "${configHome}/docker";
       GEM_HOME = "${dataHome}/gem";
       GEM_SPEC_CACHE = "${cacheHome}/gem";
       GOPATH = "${dataHome}/go";
+      IPYTHONDIR = "${configHome}/ipython";
       NODE_REPL_HISTORY = "${dataHome}/node_repl_history";
       NPM_CONFIG_USERCONFIG = "${configHome}/npm/npmrc";
+      RUSTUP_HOME = "${dataHome}/rustup";
       W3M_DIR = "${dataHome}/w3m";
       WAKATIME_HOME = "${configHome}/wakatime";
       WINEPREFIX = "${dataHome}/wine";