diff --git a/flake.nix~ b/flake.nix~
deleted file mode 100644
index ab4fc53..0000000
--- a/flake.nix~
+++ /dev/null
@@ -1,42 +0,0 @@
-{
-  description = "d2sgraph - a program to show the graphs (based on d2sparql)";
-
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-21.05";
-    rust-overlay.url = "github:oxalica/rust-overlay";
-    flake-utils.url = "github:numtide/flake-utils";
-    flake-compat = {
-      url = "github:edolstra/flake-compat";
-      flake = false;
-    };
-    gitignoresrc = {
-      url = "github:hercules-ci/gitignore.nix";
-      flake = false;
-    };
-  };
-
-  outputs = { self, nixpkgs, flake-utils, flake-compat, gitignoresrc, rust-overlay, ... }@inputs:
-    {
-      #overlay = import ./nix { inherit gitignoresrc; };
-    } // (flake-utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = import nixpkgs {
-          inherit system;
-          overlays = [ (import rust-overlay)];
-        };
-      in
-      rec {
-        devShell =
-          pkgs.mkShell {
-            buildInputs = [
-              pkgs.rust-bin.stable.latest.default
-              pkgs.rust-analyzer
-              pkgs.cargo-audit
-              pkgs.cargo-license
-              pkgs.graphviz
-              pkgs.clingo
-            ];
-          };
-      }
-    ));
-}