diff --git a/pkgs/top-level/release-cross.nix b/pkgs/top-level/release-cross.nix
index 4088fc088dc..b7fbdc78421 100644
--- a/pkgs/top-level/release-cross.nix
+++ b/pkgs/top-level/release-cross.nix
@@ -176,7 +176,6 @@ let
     platform = pkgs.platforms.pc;
     libc = "glibc";
     openssl.system = "hurd-x86";  # Nix depends on OpenSSL.
-    nix.system = "i686-gnu"; # Hack until nix is more cross-compile aware
   };
 in {
   crossGNU = mapTestOnCross crossSystem {