diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c5d8c51
--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+Requires Nix Flakes.
+
+```
+# dev shell
+nix develop
+
+# or just run directly
+nix develop -c cargo run
+```
\ No newline at end of file
diff --git a/default.nix b/default.nix
deleted file mode 100644
index 750988e..0000000
--- a/default.nix
+++ /dev/null
@@ -1,9 +0,0 @@
-let 
-    pkgs = import ./dep/nixpkgs { overlays = [ (import ./dep/rust-overlay) ]; };
-    rust = pkgs.rust-bin.stable.latest.rust;
-in 
-    pkgs.mkShell {
-        buildInputs = [
-            rust
-        ];
-    }