diff --git a/flake.nix b/flake.nix
index 824ff69f..6444af6c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -345,9 +345,6 @@
             export LOGNAME=''${LOGNAME:-foo}
             # set $HOME for bzr so it can create its trace file
             export HOME=$(mktemp -d)
-
-            export NIX_REDIRECTS=/etc/protocols=${iana-etc}/etc/protocols
-            export LD_PRELOAD="${pkgs.libredirect}/lib/libredirect.so"
           '';
 
           postInstall = ''