diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..9cab269
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "stable"
+
diff --git a/shell.nix b/shell.nix
deleted file mode 100644
index afd09a7..0000000
--- a/shell.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ pkgs ? import <nixpkgs> {} }:
-
-pkgs.mkShell {
-  buildInputs = with pkgs; [
-    cargo
-    rustc
-    rust-analyzer
-  ];
-}
-