diff --git a/default.nix b/default.nix
index bd6e62d..d6f3f70 100644
--- a/default.nix
+++ b/default.nix
@@ -11,7 +11,7 @@ in
 pkgs.buildGoModule {
   name = "bang-evaluator";
 
-  src = gitignoreSource ./.; # FIXME: reproducibility
+  src = gitignoreSource ./.;
 
   subPackages = [ "." ];