diff --git a/operating-systems/buer.scm b/operating-systems/buer.scm
index cdbc038..5998dc4 100644
--- a/operating-systems/buer.scm
+++ b/operating-systems/buer.scm
@@ -18,7 +18,6 @@
   #|M|# #:use-module (gnu packages man)
   #|S|# #:use-module (gnu packages shells)
   #|T|# #:use-module (gnu packages texinfo)
-        #:use-module (gnu packages text-editors)
   #|V|# #:use-module (gnu packages vpn)
 
   #|GNU services|#
@@ -45,6 +44,7 @@
   #|A|# #:use-module (radix packages admin)
   #|L|# #:use-module (radix packages linux)
   #|S|# #:use-module (radix packages shells)
+  #|T|# #:use-module (radix packages text-editors)
 
   #|Radix services|#
   #|A|# #:use-module (radix services admin)
@@ -100,7 +100,7 @@
     (cons* "modprobe.blacklist=usbmouse,usbkbd,pcspkr"
            "thinkpad_acpi.fan_control=1"
            (filter (apply conjoin
-                          (map (negate (partial partial string-prefix?))
+                          (map (partial partial (negate string-prefix?))
                                (list "debugfs"
                                      "l1tf"
                                      "mds"
@@ -221,7 +221,7 @@
                    (guix-configuration
                     (discover? #t)
                     (build-accounts 16)
-                    (build-machines
+                  #;(build-machines
                      (list #~(build-machine
                               (name "yumiko")
                               (systems (list "x86_64-linux"))
@@ -231,7 +231,7 @@
                               (user "radio")
                               (port 2222))))
                     (substitute-urls
-                     (cons* "http://substitutes.yumiko:8081"
+                     (cons* #;"http://substitutes.yumiko:8081"
                             "https://berlin.guix.gnu.org"
                             %default-substitute-urls))
                     (authorized-keys