diff --git a/makefu/1systems/sdev/config.nix b/makefu/1systems/sdev/config.nix
index 2f289d500..e15af8251 100644
--- a/makefu/1systems/sdev/config.nix
+++ b/makefu/1systems/sdev/config.nix
@@ -6,7 +6,7 @@
     [ # Include the results of the hardware scan.
       <stockholm/makefu>
 
-       <stockholm/makefu/2configs/hw/vbox-guest.nix>
+      # <stockholm/makefu/2configs/hw/vbox-guest.nix> # broken since 2019-04-18
       #{ # until virtualbox-image is fixed
       #  imports = [
       #      <stockholm/makefu/2configs/fs/single-partition-ext4.nix>