diff --git a/vm/firstboot.sh b/vm/firstboot.sh
index 35feb9cf..d1287977 100755
--- a/vm/firstboot.sh
+++ b/vm/firstboot.sh
@@ -202,3 +202,4 @@ nnoremap <F2> :set invpaste paste?<CR>
 set pastetoggle=<F2>
 set showmode
 EOF
+apt-get clean