diff --git a/artiq-fast/wfvm/win.nix b/artiq-fast/wfvm/win.nix
index 930ab4c..a53068f 100644
--- a/artiq-fast/wfvm/win.nix
+++ b/artiq-fast/wfvm/win.nix
@@ -169,8 +169,6 @@ let
     ];
 
   in ''
-    export HOME=$(mktemp -d)
-
     # Create an image referencing the previous image in the chain
     qemu-img create -f qcow2 -b ${acc} c.img