diff --git a/shell/default.nix b/shell/default.nix
index 0054176..2f1b778 100644
--- a/shell/default.nix
+++ b/shell/default.nix
@@ -2,7 +2,6 @@
   perSystem = {
     pkgs,
     config,
-    self',
     ...
   }: {
     devShells.default = pkgs.mkShell {