diff --git a/crane.nix b/crane.nix
index 29eb87f..246f2b7 100644
--- a/crane.nix
+++ b/crane.nix
@@ -19,85 +19,93 @@ let
 
   # For easy cross-compilation in devShells
   # We are just composing the pkgsCross.*.stdenv.cc together
-  crossPlatforms = let
-    makeCrossPlatform = crossSystem: let
-      pkgsCross =
-        if crossSystem == system then pkgs
-        else import pkgs.path {
-          inherit system crossSystem;
-          overlays = [];
+  crossPlatforms =
+    let
+      makeCrossPlatform = crossSystem:
+        let
+          pkgsCross =
+            if crossSystem == system then pkgs
+            else
+              import pkgs.path {
+                inherit system crossSystem;
+                overlays = [ ];
+              };
+
+          rustTargetSpec = rust.toRustTargetSpec pkgsCross.pkgsStatic.stdenv.hostPlatform;
+          rustTargetSpecUnderscored = builtins.replaceStrings [ "-" ] [ "_" ] rustTargetSpec;
+
+          cargoLinkerEnv = lib.strings.toUpper "CARGO_TARGET_${rustTargetSpecUnderscored}_LINKER";
+          cargoCcEnv = "CC_${rustTargetSpecUnderscored}"; # for ring
+
+          cc = "${pkgsCross.stdenv.cc}/bin/${pkgsCross.stdenv.cc.targetPrefix}cc";
+        in
+        {
+          name = crossSystem;
+          value = {
+            inherit rustTargetSpec cc;
+            pkgs = pkgsCross;
+            env = {
+              "${cargoLinkerEnv}" = cc;
+              "${cargoCcEnv}" = cc;
+            };
+          };
         };
-
-      rustTargetSpec = rust.toRustTargetSpec pkgsCross.pkgsStatic.stdenv.hostPlatform;
-      rustTargetSpecUnderscored = builtins.replaceStrings [ "-" ] [ "_" ] rustTargetSpec;
-
-      cargoLinkerEnv = lib.strings.toUpper "CARGO_TARGET_${rustTargetSpecUnderscored}_LINKER";
-      cargoCcEnv = "CC_${rustTargetSpecUnderscored}"; # for ring
-
-      cc = "${pkgsCross.stdenv.cc}/bin/${pkgsCross.stdenv.cc.targetPrefix}cc";
-    in {
-      name = crossSystem;
-      value = {
-        inherit rustTargetSpec cc;
-        pkgs = pkgsCross;
-        env = {
-          "${cargoLinkerEnv}" = cc;
-          "${cargoCcEnv}" = cc;
-        };
-      };
-    };
-    systems = lib.filter (s: s == system || lib.hasInfix "linux" s) supportedSystems;
-  in builtins.listToAttrs (map makeCrossPlatform systems);
+      systems = lib.filter (s: s == system || lib.hasInfix "linux" s) supportedSystems;
+    in
+    builtins.listToAttrs (map makeCrossPlatform systems);
 
   cargoTargets = lib.mapAttrsToList (_: p: p.rustTargetSpec) crossPlatforms;
-  cargoCrossEnvs = lib.foldl (acc: p: acc // p.env) {} (builtins.attrValues crossPlatforms);
+  cargoCrossEnvs = lib.foldl (acc: p: acc // p.env) { } (builtins.attrValues crossPlatforms);
 
-  buildFor = system: let
-    crossPlatform = crossPlatforms.${system};
-    inherit (crossPlatform) pkgs;
-    craneLib = (crane.mkLib pkgs).overrideToolchain rustNightly;
-    crateName = craneLib.crateNameFromCargoToml {
-      cargoToml = ./Cargo.toml;
-    };
-
-    src = nix-gitignore.gitignoreSource [] ./.;
-
-    commonArgs = {
-      inherit (crateName) pname version;
-      inherit src;
-
-      buildInputs = with pkgs; []
-      ++ lib.optionals pkgs.stdenv.isDarwin [
-        darwin.apple_sdk.frameworks.Security
-      ];
-
-      nativeBuildInputs = with pkgs; []
-      # The Rust toolchain from rust-overlay has a dynamic libiconv in depsTargetTargetPropagated
-      # Our static libiconv needs to take precedence
-      ++ lib.optionals pkgs.stdenv.isDarwin [
-        (libiconv.override { enableStatic = true; enableShared = false; })
-      ];
-
-      cargoExtraArgs = "--target ${crossPlatform.rustTargetSpec}";
-
-      cargoVendorDir = craneLib.vendorMultipleCargoDeps {
-        inherit (craneLib.findCargoFiles src) cargoConfigs;
-        cargoLockList = [
-          ./Cargo.lock
-          "${rustNightly.passthru.availableComponents.rust-src}/lib/rustlib/src/rust/Cargo.lock"
-        ];
+  buildFor = system:
+    let
+      crossPlatform = crossPlatforms.${system};
+      inherit (crossPlatform) pkgs;
+      craneLib = (crane.mkLib pkgs).overrideToolchain rustNightly;
+      crateName = craneLib.crateNameFromCargoToml {
+        cargoToml = ./Cargo.toml;
       };
-    } // crossPlatform.env;
 
-    crate = craneLib.buildPackage (commonArgs // {
-      cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+      src = nix-gitignore.gitignoreSource [ ] ./.;
 
-      # The resulting executable must be standalone
-      allowedRequisites = [];
-    });
-  in crate;
-in {
+      commonArgs = {
+        inherit (crateName) pname version;
+        inherit src;
+
+        buildInputs = with pkgs; [ ]
+          ++ lib.optionals pkgs.stdenv.isDarwin [
+          darwin.apple_sdk.frameworks.Security
+        ];
+
+        nativeBuildInputs = with pkgs; [ ]
+          # The Rust toolchain from rust-overlay has a dynamic libiconv in depsTargetTargetPropagated
+          # Our static libiconv needs to take precedence
+          ++ lib.optionals pkgs.stdenv.isDarwin [
+          (libiconv.override { enableStatic = true; enableShared = false; })
+        ];
+
+        cargoExtraArgs = "--target ${crossPlatform.rustTargetSpec}";
+
+        cargoVendorDir = craneLib.vendorMultipleCargoDeps {
+          inherit (craneLib.findCargoFiles src) cargoConfigs;
+          cargoLockList = [
+            ./Cargo.lock
+            "${rustNightly.passthru.availableComponents.rust-src}/lib/rustlib/src/rust/Cargo.lock"
+          ];
+        };
+      } // crossPlatform.env;
+
+      crate = craneLib.buildPackage (commonArgs // {
+        cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+
+        # The resulting executable must be standalone
+        allowedRequisites = [ ];
+      });
+    in
+    crate;
+in
+{
   inherit crossPlatforms cargoTargets cargoCrossEnvs rustNightly;
 
   flake-checker = buildFor system;
-}
\ No newline at end of file
+}
diff --git a/flake.nix b/flake.nix
index e6b8976..1362907 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,5 +1,5 @@
 {
-   inputs = {
+  inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
 
@@ -22,41 +22,45 @@
     };
   };
 
-  outputs = { self, nixpkgs, flake-utils, rust-overlay, crane, ... }: let
-    supportedSystems = flake-utils.lib.defaultSystems;
-  in flake-utils.lib.eachSystem supportedSystems (system: let
-    pkgs = import nixpkgs {
-      inherit system;
-      overlays = [
-        rust-overlay.overlay
-      ];
-    };
+  outputs = { self, nixpkgs, flake-utils, rust-overlay, crane, ... }:
+    let
+      supportedSystems = flake-utils.lib.defaultSystems;
+    in
+    flake-utils.lib.eachSystem supportedSystems (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [
+            rust-overlay.overlay
+          ];
+        };
 
-    inherit (pkgs) lib;
+        inherit (pkgs) lib;
 
-    cranePkgs = pkgs.callPackage ./crane.nix {
-      inherit crane supportedSystems;
-    };
-  in {
-    packages = rec {
-      inherit (cranePkgs) flake-checker;
-      default = flake-checker;
-    };
-    devShells = {
-      default = pkgs.mkShell ({
-        inputsFrom = [ cranePkgs.flake-checker ];
-        packages = with pkgs; [
-          bashInteractive
-          cranePkgs.rustNightly
+        cranePkgs = pkgs.callPackage ./crane.nix {
+          inherit crane supportedSystems;
+        };
+      in
+      {
+        packages = rec {
+          inherit (cranePkgs) flake-checker;
+          default = flake-checker;
+        };
+        devShells = {
+          default = pkgs.mkShell ({
+            inputsFrom = [ cranePkgs.flake-checker ];
+            packages = with pkgs; [
+              bashInteractive
+              cranePkgs.rustNightly
 
-          cargo-bloat
-          cargo-edit
-          cargo-udeps
-          cargo-edit
-          cargo-watch
-          rust-analyzer
-        ];
-      } // cranePkgs.cargoCrossEnvs);
-    };
-  });
+              cargo-bloat
+              cargo-edit
+              cargo-udeps
+              cargo-edit
+              cargo-watch
+              rust-analyzer
+            ];
+          } // cranePkgs.cargoCrossEnvs);
+        };
+      });
 }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
deleted file mode 100644
index f2415f8..0000000
--- a/rust-toolchain.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[toolchain]
-channel = "1.69.0"