diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 429a7529706..f36a59e880d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4924,11 +4924,15 @@ rec {
   };
 
   # The bleeding edge.
+  /*
   nixUnstable = import ../tools/package-management/nix/unstable.nix {
     inherit fetchurl stdenv perl curl bzip2 openssl;
     aterm = aterm242fixes;
     db4 = db45;
   };
+  */
+
+  nixUnstable = nix;
 
   nixCustomFun = src: preConfigure: configureFlags :
   (import ../tools/package-management/nix/custom.nix {