diff --git a/operating-systems/buer.scm b/operating-systems/buer.scm
index 367842f..7d74ef9 100644
--- a/operating-systems/buer.scm
+++ b/operating-systems/buer.scm
@@ -213,9 +213,6 @@
                    (guix-configuration
                     (build-accounts 16)
                     (discover? #t)
-                    (guix (guix-for-channels
-                            (list channel:guix
-                                  channel:radix)))
                     (authorized-keys
                      (cons* substitute-key:genenetwork.pub
                             substitute-key:inria.pub