diff --git a/pkgs/nix-portable/default.nix b/pkgs/nix-portable/default.nix
index deed9252..a1b3c6e7 100644
--- a/pkgs/nix-portable/default.nix
+++ b/pkgs/nix-portable/default.nix
@@ -268,6 +268,9 @@ let
     export SHELL="${pkgs.bashInteractive.out}/bin/bash"
     export PS1="\n\[\033[1;32m\][\[\e]0;\u@\h: \w\a\]\u@\h:\w]\$\[\033[0m\] "
 
+    # unset bash function aliases
+    unset -f which ml module
+
     ### setup SSL
     # find ssl certs or use from nixpkgs
     debug "figuring out ssl certs"