diff --git a/flake.nix b/flake.nix
index b61f753..d5c7157 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,6 +6,7 @@
       postBuild = ''
         yarn install --production --ignore-scripts --prefer-offline
       '';
+      postInstall = "rm $out/bin/yarn";
     };
   };
 }