diff --git a/.gitignore b/.gitignore
index ac255b6..564c965 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
 
 result*
 .direnv/
-build/
diff --git a/README.md b/README.md
index a74ecfd..4fba2d5 100644
--- a/README.md
+++ b/README.md
@@ -38,13 +38,8 @@ there are three or four:
 
 1. The programming language
 2. The build system used to compile/package the repository
-3. The Nix evaluation system used in the flake itself
-4. (Optional) Additional differences in project structure, including but not
-   limited to:
-   - `basic`: Minimal acceptable project structure
-   - `cli`: Sample CLI program
-   - `gui`: Sample GUI program
-   - `lib`: Library
+3. The Nix library/evaluation system used in the flake itself
+4. (Optional) Additional differences in project structure
 
 For example, the `python_pyproject_nixpkgs_cli` template generates a Python
 repository packaged in Pyproject format where the flake uses Nixpkgs' standard
diff --git a/bash/script/nixpkgs/package.nix b/bash/script/nixpkgs/package.nix
index 8c36ba4..458a1ce 100644
--- a/bash/script/nixpkgs/package.nix
+++ b/bash/script/nixpkgs/package.nix
@@ -1,6 +1,5 @@
-{
-  stdenvNoCC,
-  bash,
+{ stdenvNoCC
+, bash
 }:
 
 stdenvNoCC.mkDerivation {
diff --git a/c/basic/nixpkgs/.envrc b/c/basic/nixpkgs/.envrc
deleted file mode 100644
index af0cc93..0000000
--- a/c/basic/nixpkgs/.envrc
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-use flake
diff --git a/c/basic/nixpkgs/flake.lock b/c/basic/nixpkgs/flake.lock
deleted file mode 100644
index 4243b18..0000000
--- a/c/basic/nixpkgs/flake.lock
+++ /dev/null
@@ -1,43 +0,0 @@
-{
-  "nodes": {
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1768783163,
-        "narHash": "sha256-tLj4KcRDLakrlpvboTJDKsrp6z2XLwyQ4Zmo+w8KsY4=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "bde09022887110deb780067364a0818e89258968",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "nixpkgs": "nixpkgs",
-        "systems": "systems"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/c/basic/nixpkgs/flake.nix b/c/basic/nixpkgs/flake.nix
deleted file mode 100644
index 9b0c8a8..0000000
--- a/c/basic/nixpkgs/flake.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    systems.url = "github:nix-systems/default";
-  };
-
-  outputs = { self, nixpkgs, systems, ... }:
-    let eachSystem = nixpkgs.lib.genAttrs (import systems);
-    in {
-      packages = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          hello = pkgs.callPackage ./package.nix {};
-          default = self.packages.${system}.hello;
-        });
-
-      devShells = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          default = import ./shell.nix { inherit pkgs; };
-        });
-    };
-}
diff --git a/c/basic/nixpkgs/package.nix b/c/basic/nixpkgs/package.nix
deleted file mode 100644
index 53b63e9..0000000
--- a/c/basic/nixpkgs/package.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  stdenv
-}:
-let
-  source = "src/hello.c";
-  exec = "hello";
-in stdenv.mkDerivation {
-  pname = "hello";
-  version = "0.1";
-  src = ./.;
-
-  buildPhase = ''
-    runHook preBuild
-    gcc ${source} -o ${exec}.bin
-    runHook postBuild
-  '';
-  installPhase = ''
-    runHook preInstall
-    mkdir -p $out/bin
-    install ${exec}.bin $out/bin/${exec}
-    runHook postInstall
-  '';
-}
diff --git a/c/basic/nixpkgs/shell.nix b/c/basic/nixpkgs/shell.nix
deleted file mode 100644
index 4d2f40d..0000000
--- a/c/basic/nixpkgs/shell.nix
+++ /dev/null
@@ -1,8 +0,0 @@
-{ pkgs ? import <nixpkgs> {} }:
-let inherit (pkgs)
-  mkShell
-  llvmPackages_21
-;
-in mkShell {
-  packages = [ llvmPackages_21.clang-tools ];
-}
diff --git a/c/basic/nixpkgs/src/hello.c b/c/basic/nixpkgs/src/hello.c
deleted file mode 100644
index f26b97c..0000000
--- a/c/basic/nixpkgs/src/hello.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <stdio.h>
-
-int main() {
-    printf("Hello, World!\n");
-    return 0;
-}
diff --git a/c/make/nixpkgs/.envrc b/c/make/nixpkgs/.envrc
deleted file mode 100644
index af0cc93..0000000
--- a/c/make/nixpkgs/.envrc
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-use flake
diff --git a/c/make/nixpkgs/Makefile b/c/make/nixpkgs/Makefile
deleted file mode 100644
index fb93306..0000000
--- a/c/make/nixpkgs/Makefile
+++ /dev/null
@@ -1,37 +0,0 @@
-##
-# Example GCC Nix Project
-#
-# @file
-# @version 0.1
-
-SRC_DIR := ./src
-BUILD_DIR := ./build
-
-EXEC ?= hello
-INSTALL ?= $(PREFIX)/bin/
-
-# Find all the C files we want to compile
-SRCS := $(shell find $(SRC_DIR) -name '*.c')
-OBJS := $(SRCS:$(SRC_DIR)/%.c=$(BUILD_DIR)/%.o)
-
-.PHONY: build install clean
-
-build: $(BUILD_DIR)/$(EXEC)
-install: build
-	mkdir -p $(INSTALL)
-	cp $(BUILD_DIR)/$(EXEC) $(INSTALL)
-
-
-# Link
-$(BUILD_DIR)/$(EXEC): $(OBJS)
-	$(CC) $^ -o $@ $(LDFLAGS)
-
-# Compile
-$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c
-	mkdir -p $(dir $@)
-	$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
-
-clean:
-	rm -r $(BUILD_DIR)
-
-# end
diff --git a/c/make/nixpkgs/flake.lock b/c/make/nixpkgs/flake.lock
deleted file mode 100644
index 4243b18..0000000
--- a/c/make/nixpkgs/flake.lock
+++ /dev/null
@@ -1,43 +0,0 @@
-{
-  "nodes": {
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1768783163,
-        "narHash": "sha256-tLj4KcRDLakrlpvboTJDKsrp6z2XLwyQ4Zmo+w8KsY4=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "bde09022887110deb780067364a0818e89258968",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "nixpkgs": "nixpkgs",
-        "systems": "systems"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/c/make/nixpkgs/flake.nix b/c/make/nixpkgs/flake.nix
deleted file mode 100644
index 9b0c8a8..0000000
--- a/c/make/nixpkgs/flake.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    systems.url = "github:nix-systems/default";
-  };
-
-  outputs = { self, nixpkgs, systems, ... }:
-    let eachSystem = nixpkgs.lib.genAttrs (import systems);
-    in {
-      packages = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          hello = pkgs.callPackage ./package.nix {};
-          default = self.packages.${system}.hello;
-        });
-
-      devShells = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          default = import ./shell.nix { inherit pkgs; };
-        });
-    };
-}
diff --git a/c/make/nixpkgs/package.nix b/c/make/nixpkgs/package.nix
deleted file mode 100644
index 795863a..0000000
--- a/c/make/nixpkgs/package.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  stdenv
-}:
-
-stdenv.mkDerivation rec {
-  pname = "hello";
-  version = "0.1";
-  src = ./.;
-  installFlags = [ "PREFIX=$(out)" "EXEC=${pname}" ];
-}
diff --git a/c/make/nixpkgs/shell.nix b/c/make/nixpkgs/shell.nix
deleted file mode 100644
index 4d2f40d..0000000
--- a/c/make/nixpkgs/shell.nix
+++ /dev/null
@@ -1,8 +0,0 @@
-{ pkgs ? import <nixpkgs> {} }:
-let inherit (pkgs)
-  mkShell
-  llvmPackages_21
-;
-in mkShell {
-  packages = [ llvmPackages_21.clang-tools ];
-}
diff --git a/c/make/nixpkgs/src/hello.c b/c/make/nixpkgs/src/hello.c
deleted file mode 100644
index f26b97c..0000000
--- a/c/make/nixpkgs/src/hello.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <stdio.h>
-
-int main() {
-    printf("Hello, World!\n");
-    return 0;
-}
diff --git a/fish/script/nixpkgs/package.nix b/fish/script/nixpkgs/package.nix
index a15fe80..6e6dcde 100644
--- a/fish/script/nixpkgs/package.nix
+++ b/fish/script/nixpkgs/package.nix
@@ -1,6 +1,5 @@
-{
-  stdenvNoCC,
-  fish,
+{ stdenvNoCC
+, fish
 }:
 
 stdenvNoCC.mkDerivation {
diff --git a/flake.nix b/flake.nix
index ac9ebb7..51cee52 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,50 +2,41 @@
   description = "Hello World flake templates for various languages and build systems";
 
   outputs = { self, ... }:
-    with builtins; let
-      concatMapAttrs = func: attr:
-       foldl' (x: y: x // y) {} (map func attr);
-
-      # Template Aliases
-      # Used to pick default template for each language
+    let
       aliases = {
         bash = "bash_script_nixpkgs";
         fish = "fish_script_nixpkgs";
-        c = "c_make_nixpkgs";
         python = "python_pyproject_nixpkgs_basic";
-        rust = "rust_cargo-nightly_crane+fenix";
       };
 
-      # Files to filter out of the template
-      template-ignore = [ "flake.lock" "Cargo.lock" ];
-
-      # Get all subdirectories of the given path
-      # Returns [str]
+      # Get all project directories
       subdirs = dir:
-        let subd = readDir dir;
-        in filter (d: subd.${d} == "directory") (attrNames subd);
+        let sub = __readDir dir;
+        in builtins.filter
+          (d: sub.${d} == "directory")
+          (builtins.attrNames sub);
+
+      concatMapAttrs = func: attr:
+        builtins.foldl' (x: y: x // y) {}
+          (builtins.map func attr);
 
-      # Get all proper recursive subdirectories with flakes in them
-      # Returns [[str]] (list of subdirectory sequences, for processing)
       flakeSubdirs = dir:
-        concatMap (subd:
-          if pathExists /${dir}/${subd}/flake.nix then [ [ subd ] ] else
-            map (l: [ subd ] ++ l) (flakeSubdirs /${dir}/${subd}))
+        builtins.concatMap (sub:
+          if builtins.pathExists /${dir}/${sub}/flake.nix then [ [ sub ] ] else
+            builtins.map (l: [ sub ] ++ l) (flakeSubdirs /${dir}/${sub}))
           (subdirs dir);
-
-      generateDesc = subds:
-        "${head subds} template - ${concatStringsSep ", " (tail subds)}";
     in {
-      templates = concatMapAttrs (subds: {
-        ${concatStringsSep "_" subds} = {
-          description = generateDesc subds;
-          path = filterSource
-            (p: _: !(elem (baseNameOf p) template-ignore))
-            (foldl' (dir: subd: /${dir}/${subd}) ./. subds);
+      templates = concatMapAttrs (path: {
+        ${builtins.concatStringsSep "_" path} = {
+          description = "${builtins.head path} template - ${builtins.concatStringsSep
+            ", " (builtins.tail path)}";
+          path = builtins.filterSource
+            (path: type: builtins.baseNameOf path != "flake.lock")
+            (builtins.foldl' (dir: sub: /${dir}/${sub}) ./. path);
         };
-      }) (flakeSubdirs ./.) // mapAttrs (from: to:
-        self.templates.${to} // {
-          description = generateDesc (filter (p: p != []) (split "_" to));
-        }) aliases;
+      }) (flakeSubdirs ./.) // builtins.mapAttrs (lang: def:
+        self.templates.${def} // {
+          description = "${lang} template";
+      }) aliases;
     };
 }
diff --git a/python/pyproject/nixpkgs/basic/flake.nix b/python/pyproject/nixpkgs/basic/flake.nix
index 9b0c8a8..0c2dc0d 100644
--- a/python/pyproject/nixpkgs/basic/flake.nix
+++ b/python/pyproject/nixpkgs/basic/flake.nix
@@ -17,7 +17,7 @@
       devShells = eachSystem (system:
         let pkgs = nixpkgs.legacyPackages.${system};
         in {
-          default = import ./shell.nix { inherit pkgs; };
+          default = pkgs.callPackage ./shell.nix {};
         });
     };
 }
diff --git a/python/pyproject/nixpkgs/basic/package.nix b/python/pyproject/nixpkgs/basic/package.nix
index af627a8..9919aa3 100644
--- a/python/pyproject/nixpkgs/basic/package.nix
+++ b/python/pyproject/nixpkgs/basic/package.nix
@@ -1,5 +1,4 @@
-{
-  python3,
+{ python3
 }:
 
 python3.pkgs.buildPythonPackage {
diff --git a/python/pyproject/nixpkgs/basic/shell.nix b/python/pyproject/nixpkgs/basic/shell.nix
index dca9c0a..4a7e9e5 100644
--- a/python/pyproject/nixpkgs/basic/shell.nix
+++ b/python/pyproject/nixpkgs/basic/shell.nix
@@ -1,9 +1,8 @@
-{ pkgs ? import <nixpkgs> {} }:
-let inherit (pkgs)
-  mkShellNoCC
-  python3
-;
-in mkShellNoCC {
+{ mkShell
+, python3
+}:
+
+mkShell {
   inputsFrom = [ python3.buildEnv.env ];
   packages = [ python3.pkgs.python-lsp-server ];
 }
diff --git a/python/pyproject/nixpkgs/cli/flake.nix b/python/pyproject/nixpkgs/cli/flake.nix
index 9b0c8a8..0c2dc0d 100644
--- a/python/pyproject/nixpkgs/cli/flake.nix
+++ b/python/pyproject/nixpkgs/cli/flake.nix
@@ -17,7 +17,7 @@
       devShells = eachSystem (system:
         let pkgs = nixpkgs.legacyPackages.${system};
         in {
-          default = import ./shell.nix { inherit pkgs; };
+          default = pkgs.callPackage ./shell.nix {};
         });
     };
 }
diff --git a/python/pyproject/nixpkgs/cli/package.nix b/python/pyproject/nixpkgs/cli/package.nix
index 54c02ad..ce28631 100644
--- a/python/pyproject/nixpkgs/cli/package.nix
+++ b/python/pyproject/nixpkgs/cli/package.nix
@@ -1,5 +1,4 @@
-{
-  python3,
+{ python3
 }:
 
 python3.pkgs.buildPythonApplication {
diff --git a/python/pyproject/nixpkgs/cli/shell.nix b/python/pyproject/nixpkgs/cli/shell.nix
index dca9c0a..4a7e9e5 100644
--- a/python/pyproject/nixpkgs/cli/shell.nix
+++ b/python/pyproject/nixpkgs/cli/shell.nix
@@ -1,9 +1,8 @@
-{ pkgs ? import <nixpkgs> {} }:
-let inherit (pkgs)
-  mkShellNoCC
-  python3
-;
-in mkShellNoCC {
+{ mkShell
+, python3
+}:
+
+mkShell {
   inputsFrom = [ python3.buildEnv.env ];
   packages = [ python3.pkgs.python-lsp-server ];
 }
diff --git a/rust/cargo-nightly/crane+fenix/.envrc b/rust/cargo-nightly/crane+fenix/.envrc
deleted file mode 100644
index af0cc93..0000000
--- a/rust/cargo-nightly/crane+fenix/.envrc
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-use flake
diff --git a/rust/cargo-nightly/crane+fenix/Cargo.lock b/rust/cargo-nightly/crane+fenix/Cargo.lock
deleted file mode 100644
index bdfea16..0000000
--- a/rust/cargo-nightly/crane+fenix/Cargo.lock
+++ /dev/null
@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "hello"
-version = "0.1.0"
diff --git a/rust/cargo-nightly/crane+fenix/Cargo.toml b/rust/cargo-nightly/crane+fenix/Cargo.toml
deleted file mode 100644
index f6f3649..0000000
--- a/rust/cargo-nightly/crane+fenix/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "hello"
-version = "0.1.0"
-edition = "2024"
-
-[dependencies]
diff --git a/rust/cargo-nightly/crane+fenix/flake.lock b/rust/cargo-nightly/crane+fenix/flake.lock
deleted file mode 100644
index 641ec50..0000000
--- a/rust/cargo-nightly/crane+fenix/flake.lock
+++ /dev/null
@@ -1,98 +0,0 @@
-{
-  "nodes": {
-    "crane": {
-      "locked": {
-        "lastModified": 1763938834,
-        "narHash": "sha256-j8iB0Yr4zAvQLueCZ5abxfk6fnG/SJ5JnGUziETjwfg=",
-        "owner": "ipetkov",
-        "repo": "crane",
-        "rev": "d9e753122e51cee64eb8d2dddfe11148f339f5a2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "ipetkov",
-        "repo": "crane",
-        "type": "github"
-      }
-    },
-    "fenix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "rust-analyzer-src": "rust-analyzer-src"
-      },
-      "locked": {
-        "lastModified": 1764226020,
-        "narHash": "sha256-FzUCFwXNjLnnZmVqYj/FjlBhUpat59SExflEaIGT62s=",
-        "owner": "nix-community",
-        "repo": "fenix",
-        "rev": "2d8176c02f7be6d13578d24d5fd5049f1b46a4c5",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "fenix",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1764138170,
-        "narHash": "sha256-2bCmfCUZyi2yj9FFXYKwsDiaZmizN75cLhI/eWmf3tk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "bb813de6d2241bcb1b5af2d3059f560c66329967",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "crane": "crane",
-        "fenix": "fenix",
-        "nixpkgs": "nixpkgs",
-        "systems": "systems"
-      }
-    },
-    "rust-analyzer-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1764175386,
-        "narHash": "sha256-LfgFqvPz3C80VjaffSjy8lLyRWfbThhB7gE7IWXHjYU=",
-        "owner": "rust-lang",
-        "repo": "rust-analyzer",
-        "rev": "71ddf07c1c75046df3bb496cf824de5c053d99ad",
-        "type": "github"
-      },
-      "original": {
-        "owner": "rust-lang",
-        "ref": "nightly",
-        "repo": "rust-analyzer",
-        "type": "github"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/rust/cargo-nightly/crane+fenix/flake.nix b/rust/cargo-nightly/crane+fenix/flake.nix
deleted file mode 100644
index 23f75ed..0000000
--- a/rust/cargo-nightly/crane+fenix/flake.nix
+++ /dev/null
@@ -1,59 +0,0 @@
-{
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    systems.url = "github:nix-systems/default";
-
-    crane.url = "github:ipetkov/crane";
-    fenix.url = "github:nix-community/fenix";
-    fenix.inputs.nixpkgs.follows = "nixpkgs";
-  };
-
-  outputs = { self, nixpkgs, systems, crane, fenix, ... }:
-    let
-      eachSystem = nixpkgs.lib.genAttrs (import systems);
-      fenixToolchain = "default";
-    in {
-      packages = eachSystem (system:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-          toolchain = fenix.packages.${system}.${fenixToolchain}.toolchain;
-        in {
-          hello = pkgs.callPackage ./package.nix {
-            craneLib = (crane.mkLib pkgs).overrideToolchain toolchain;
-          };
-          default = self.packages.${system}.hello;
-        });
-
-      devShells = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          default = import ./shell.nix { inherit pkgs crane fenix fenixToolchain; };
-        });
-
-      checks = eachSystem (system:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-          toolchain = fenix.packages.${system}.${fenixToolchain}.toolchain;
-          craneLib = (crane.mkLib pkgs).overrideToolchain toolchain;
-          crate = self.packages.${system}.default;
-        in {
-          inherit crate;
-
-          clippy = craneLib.cargoClippy (
-            crate.commonArgs
-            // {
-              inherit (crate) cargoArtifacts;
-              cargoClippyExtraArgs = "--all-targets -- --deny warnings";
-            }
-          );
-
-          doc = craneLib.cargoDoc (
-            crate.commonArgs
-            // {
-              inherit (crate) cargoArtifacts;
-              env.RUSTDOCFLAGS = "--deny warnings";
-            }
-          );
-        });
-    };
-}
diff --git a/rust/cargo-nightly/crane+fenix/package.nix b/rust/cargo-nightly/crane+fenix/package.nix
deleted file mode 100644
index 6945646..0000000
--- a/rust/cargo-nightly/crane+fenix/package.nix
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  craneLib,
-}:
-
-let
-  commonArgs = {
-    src = craneLib.cleanCargoSource ./.;
-    strictDeps = true;
-
-    buildInputs = [
-      # Additional runtime dependencies
-    ];
-
-    passthru.commonArgs = commonArgs;
-  };
-
-  cargoArtifacts = craneLib.buildDepsOnly commonArgs;
-  crate = craneLib.buildPackage (commonArgs // { inherit cargoArtifacts; });
-in crate
diff --git a/rust/cargo-nightly/crane+fenix/shell.nix b/rust/cargo-nightly/crane+fenix/shell.nix
deleted file mode 100644
index e53fb11..0000000
--- a/rust/cargo-nightly/crane+fenix/shell.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-{ pkgs ? import <nixpkgs> {},
-  crane ? builtins.getFlake "github:ipetkov/crane",
-  fenix ? builtins.getFlake "github:nix-community/fenix",
-  fenixToolchain ? "default"
-}:
-let
-  fenixPkgs = fenix.packages.${pkgs.system};
-  toolchain = fenixPkgs.${fenixToolchain}.toolchain;
-  craneLib = (crane.mkLib pkgs).overrideToolchain toolchain;
-in craneLib.devShell {
-  packages = [ fenixPkgs.rust-analyzer ];
-}
diff --git a/rust/cargo-nightly/crane+fenix/src/main.rs b/rust/cargo-nightly/crane+fenix/src/main.rs
deleted file mode 100644
index 0672e51..0000000
--- a/rust/cargo-nightly/crane+fenix/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, World!");
-}
diff --git a/rust/cargo-nightly/nixpkgs+fenix/.envrc b/rust/cargo-nightly/nixpkgs+fenix/.envrc
deleted file mode 100644
index af0cc93..0000000
--- a/rust/cargo-nightly/nixpkgs+fenix/.envrc
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-use flake
diff --git a/rust/cargo-nightly/nixpkgs+fenix/Cargo.lock b/rust/cargo-nightly/nixpkgs+fenix/Cargo.lock
deleted file mode 100644
index bdfea16..0000000
--- a/rust/cargo-nightly/nixpkgs+fenix/Cargo.lock
+++ /dev/null
@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "hello"
-version = "0.1.0"
diff --git a/rust/cargo-nightly/nixpkgs+fenix/Cargo.toml b/rust/cargo-nightly/nixpkgs+fenix/Cargo.toml
deleted file mode 100644
index f6f3649..0000000
--- a/rust/cargo-nightly/nixpkgs+fenix/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "hello"
-version = "0.1.0"
-edition = "2024"
-
-[dependencies]
diff --git a/rust/cargo-nightly/nixpkgs+fenix/flake.lock b/rust/cargo-nightly/nixpkgs+fenix/flake.lock
deleted file mode 100644
index ef578f0..0000000
--- a/rust/cargo-nightly/nixpkgs+fenix/flake.lock
+++ /dev/null
@@ -1,82 +0,0 @@
-{
-  "nodes": {
-    "fenix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "rust-analyzer-src": "rust-analyzer-src"
-      },
-      "locked": {
-        "lastModified": 1764226020,
-        "narHash": "sha256-FzUCFwXNjLnnZmVqYj/FjlBhUpat59SExflEaIGT62s=",
-        "owner": "nix-community",
-        "repo": "fenix",
-        "rev": "2d8176c02f7be6d13578d24d5fd5049f1b46a4c5",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "fenix",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1764138170,
-        "narHash": "sha256-2bCmfCUZyi2yj9FFXYKwsDiaZmizN75cLhI/eWmf3tk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "bb813de6d2241bcb1b5af2d3059f560c66329967",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "fenix": "fenix",
-        "nixpkgs": "nixpkgs",
-        "systems": "systems"
-      }
-    },
-    "rust-analyzer-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1764175386,
-        "narHash": "sha256-LfgFqvPz3C80VjaffSjy8lLyRWfbThhB7gE7IWXHjYU=",
-        "owner": "rust-lang",
-        "repo": "rust-analyzer",
-        "rev": "71ddf07c1c75046df3bb496cf824de5c053d99ad",
-        "type": "github"
-      },
-      "original": {
-        "owner": "rust-lang",
-        "ref": "nightly",
-        "repo": "rust-analyzer",
-        "type": "github"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/rust/cargo-nightly/nixpkgs+fenix/flake.nix b/rust/cargo-nightly/nixpkgs+fenix/flake.nix
deleted file mode 100644
index 7441f09..0000000
--- a/rust/cargo-nightly/nixpkgs+fenix/flake.nix
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    systems.url = "github:nix-systems/default";
-
-    fenix.url = "github:nix-community/fenix";
-    fenix.inputs.nixpkgs.follows = "nixpkgs";
-  };
-
-  outputs = { self, nixpkgs, systems, fenix, ... }:
-    let
-      eachSystem = nixpkgs.lib.genAttrs (import systems);
-      fenixToolchain = "default";
-    in {
-      packages = eachSystem (system:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-          toolchain = fenix.packages.${system}.${fenixToolchain}.toolchain;
-        in {
-          hello = pkgs.callPackage ./package.nix {
-            rustPlatform = pkgs.makeRustPlatform {
-              rustc = toolchain;
-              cargo = toolchain;
-            };
-          };
-          default = self.packages.${system}.hello;
-        });
-
-      devShells = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          default = import ./shell.nix { inherit pkgs fenix fenixToolchain; };
-        });
-    };
-}
diff --git a/rust/cargo-nightly/nixpkgs+fenix/package.nix b/rust/cargo-nightly/nixpkgs+fenix/package.nix
deleted file mode 100644
index 242ad5a..0000000
--- a/rust/cargo-nightly/nixpkgs+fenix/package.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  lib,
-  rustPlatform,
-}:
-
-rustPlatform.buildRustPackage {
-  pname = "hello";
-  version = "0.1";
-  src = ./.;
-
-  cargoLock.lockFile = ./Cargo.lock;
-}
diff --git a/rust/cargo-nightly/nixpkgs+fenix/shell.nix b/rust/cargo-nightly/nixpkgs+fenix/shell.nix
deleted file mode 100644
index 42f8825..0000000
--- a/rust/cargo-nightly/nixpkgs+fenix/shell.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{ pkgs ? import <nixpkgs> {},
-  fenix ? builtins.getFlake "github:nix-community/fenix",
-  fenixToolchain ? "default"
-}:
-let
-  inherit (pkgs) mkShellNoCC;
-  fenixPkgs = fenix.packages.${pkgs.system};
-  toolchain = fenixPkgs.${fenixToolchain}.toolchain;
-in mkShellNoCC {
-  packages = [ toolchain fenixPkgs.rust-analyzer ];
-}
diff --git a/rust/cargo-nightly/nixpkgs+fenix/src/main.rs b/rust/cargo-nightly/nixpkgs+fenix/src/main.rs
deleted file mode 100644
index 0672e51..0000000
--- a/rust/cargo-nightly/nixpkgs+fenix/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, World!");
-}
diff --git a/rust/cargo-stable/crane/.envrc b/rust/cargo-stable/crane/.envrc
deleted file mode 100644
index af0cc93..0000000
--- a/rust/cargo-stable/crane/.envrc
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-use flake
diff --git a/rust/cargo-stable/crane/Cargo.lock b/rust/cargo-stable/crane/Cargo.lock
deleted file mode 100644
index bdfea16..0000000
--- a/rust/cargo-stable/crane/Cargo.lock
+++ /dev/null
@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "hello"
-version = "0.1.0"
diff --git a/rust/cargo-stable/crane/Cargo.toml b/rust/cargo-stable/crane/Cargo.toml
deleted file mode 100644
index f6f3649..0000000
--- a/rust/cargo-stable/crane/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "hello"
-version = "0.1.0"
-edition = "2024"
-
-[dependencies]
diff --git a/rust/cargo-stable/crane/flake.lock b/rust/cargo-stable/crane/flake.lock
deleted file mode 100644
index 0a37cf6..0000000
--- a/rust/cargo-stable/crane/flake.lock
+++ /dev/null
@@ -1,59 +0,0 @@
-{
-  "nodes": {
-    "crane": {
-      "locked": {
-        "lastModified": 1763938834,
-        "narHash": "sha256-j8iB0Yr4zAvQLueCZ5abxfk6fnG/SJ5JnGUziETjwfg=",
-        "owner": "ipetkov",
-        "repo": "crane",
-        "rev": "d9e753122e51cee64eb8d2dddfe11148f339f5a2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "ipetkov",
-        "repo": "crane",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1764138170,
-        "narHash": "sha256-2bCmfCUZyi2yj9FFXYKwsDiaZmizN75cLhI/eWmf3tk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "bb813de6d2241bcb1b5af2d3059f560c66329967",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "crane": "crane",
-        "nixpkgs": "nixpkgs",
-        "systems": "systems"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/rust/cargo-stable/crane/flake.nix b/rust/cargo-stable/crane/flake.nix
deleted file mode 100644
index d524296..0000000
--- a/rust/cargo-stable/crane/flake.nix
+++ /dev/null
@@ -1,52 +0,0 @@
-{
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    systems.url = "github:nix-systems/default";
-
-    crane.url = "github:ipetkov/crane";
-  };
-
-  outputs = { self, nixpkgs, systems, crane, ... }:
-    let eachSystem = nixpkgs.lib.genAttrs (import systems);
-    in {
-      packages = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          hello = pkgs.callPackage ./package.nix {
-            craneLib = crane.mkLib pkgs;
-          };
-          default = self.packages.${system}.hello;
-        });
-
-      devShells = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          default = import ./shell.nix { inherit pkgs crane; };
-        });
-
-      checks = eachSystem (system:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-          craneLib = crane.mkLib pkgs;
-          crate = self.packages.${system}.default;
-        in {
-          inherit crate;
-
-          clippy = craneLib.cargoClippy (
-            crate.commonArgs
-            // {
-              inherit (crate) cargoArtifacts;
-              cargoClippyExtraArgs = "--all-targets -- --deny warnings";
-            }
-          );
-
-          doc = craneLib.cargoDoc (
-            crate.commonArgs
-            // {
-              inherit (crate) cargoArtifacts;
-              env.RUSTDOCFLAGS = "--deny warnings";
-            }
-          );
-        });
-    };
-}
diff --git a/rust/cargo-stable/crane/package.nix b/rust/cargo-stable/crane/package.nix
deleted file mode 100644
index 6945646..0000000
--- a/rust/cargo-stable/crane/package.nix
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  craneLib,
-}:
-
-let
-  commonArgs = {
-    src = craneLib.cleanCargoSource ./.;
-    strictDeps = true;
-
-    buildInputs = [
-      # Additional runtime dependencies
-    ];
-
-    passthru.commonArgs = commonArgs;
-  };
-
-  cargoArtifacts = craneLib.buildDepsOnly commonArgs;
-  crate = craneLib.buildPackage (commonArgs // { inherit cargoArtifacts; });
-in crate
diff --git a/rust/cargo-stable/crane/shell.nix b/rust/cargo-stable/crane/shell.nix
deleted file mode 100644
index 7a34e46..0000000
--- a/rust/cargo-stable/crane/shell.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ pkgs ? import <nixpkgs> {},
-  crane ? builtins.getFlake "github:ipetkov/crane"
-}:
-let
-  inherit (pkgs)
-    rust-analyzer
-;
-in (crane.mkLib pkgs).devShell {
-  packages = [ rust-analyzer ];
-}
diff --git a/rust/cargo-stable/crane/src/main.rs b/rust/cargo-stable/crane/src/main.rs
deleted file mode 100644
index 0672e51..0000000
--- a/rust/cargo-stable/crane/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, World!");
-}
diff --git a/rust/cargo-stable/nixpkgs/.envrc b/rust/cargo-stable/nixpkgs/.envrc
deleted file mode 100644
index af0cc93..0000000
--- a/rust/cargo-stable/nixpkgs/.envrc
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-use flake
diff --git a/rust/cargo-stable/nixpkgs/Cargo.lock b/rust/cargo-stable/nixpkgs/Cargo.lock
deleted file mode 100644
index bdfea16..0000000
--- a/rust/cargo-stable/nixpkgs/Cargo.lock
+++ /dev/null
@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "hello"
-version = "0.1.0"
diff --git a/rust/cargo-stable/nixpkgs/Cargo.toml b/rust/cargo-stable/nixpkgs/Cargo.toml
deleted file mode 100644
index f6f3649..0000000
--- a/rust/cargo-stable/nixpkgs/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "hello"
-version = "0.1.0"
-edition = "2024"
-
-[dependencies]
diff --git a/rust/cargo-stable/nixpkgs/flake.lock b/rust/cargo-stable/nixpkgs/flake.lock
deleted file mode 100644
index 72ee575..0000000
--- a/rust/cargo-stable/nixpkgs/flake.lock
+++ /dev/null
@@ -1,43 +0,0 @@
-{
-  "nodes": {
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1764138170,
-        "narHash": "sha256-2bCmfCUZyi2yj9FFXYKwsDiaZmizN75cLhI/eWmf3tk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "bb813de6d2241bcb1b5af2d3059f560c66329967",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "nixpkgs": "nixpkgs",
-        "systems": "systems"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/rust/cargo-stable/nixpkgs/flake.nix b/rust/cargo-stable/nixpkgs/flake.nix
deleted file mode 100644
index 9b0c8a8..0000000
--- a/rust/cargo-stable/nixpkgs/flake.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    systems.url = "github:nix-systems/default";
-  };
-
-  outputs = { self, nixpkgs, systems, ... }:
-    let eachSystem = nixpkgs.lib.genAttrs (import systems);
-    in {
-      packages = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          hello = pkgs.callPackage ./package.nix {};
-          default = self.packages.${system}.hello;
-        });
-
-      devShells = eachSystem (system:
-        let pkgs = nixpkgs.legacyPackages.${system};
-        in {
-          default = import ./shell.nix { inherit pkgs; };
-        });
-    };
-}
diff --git a/rust/cargo-stable/nixpkgs/package.nix b/rust/cargo-stable/nixpkgs/package.nix
deleted file mode 100644
index 242ad5a..0000000
--- a/rust/cargo-stable/nixpkgs/package.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  lib,
-  rustPlatform,
-}:
-
-rustPlatform.buildRustPackage {
-  pname = "hello";
-  version = "0.1";
-  src = ./.;
-
-  cargoLock.lockFile = ./Cargo.lock;
-}
diff --git a/rust/cargo-stable/nixpkgs/shell.nix b/rust/cargo-stable/nixpkgs/shell.nix
deleted file mode 100644
index b5dd7fd..0000000
--- a/rust/cargo-stable/nixpkgs/shell.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ pkgs ? import <nixpkgs> {} }:
-let inherit (pkgs)
-  mkShellNoCC
-  rustc
-  cargo
-  rust-analyzer
-;
-in mkShellNoCC {
-  packages = [ rustc cargo rust-analyzer ];
-}
diff --git a/rust/cargo-stable/nixpkgs/src/main.rs b/rust/cargo-stable/nixpkgs/src/main.rs
deleted file mode 100644
index 0672e51..0000000
--- a/rust/cargo-stable/nixpkgs/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, World!");
-}