diff --git a/nix/package.nix b/nix/package.nix
index ba9573d..b27a730 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -19,7 +19,6 @@
         (fs.fileFilter (file: builtins.any file.hasExt ["rs"]) (s + /src))
         (s + /Cargo.lock)
         (s + /Cargo.toml)
-        (s + /build.rs)
       ];
     };