diff --git a/build-aux/hydra/demo-os.scm b/build-aux/hydra/demo-os.scm
index 835b381ffa..3276b8e2bf 100644
--- a/build-aux/hydra/demo-os.scm
+++ b/build-aux/hydra/demo-os.scm
@@ -56,13 +56,6 @@
                (password "")
                (comment "Guest of GNU")
                (home-directory "/home/guest"))))
- (groups (list (user-group (name "root") (id 0))
-               (user-group
-                (name "wheel")
-                (id 1))
-               (user-group
-                (name "users")
-                (id 100))))
 
  (issue "
 This is an alpha preview of the GNU system.  Welcome.
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index ed6581f706..f58bd19c8e 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -116,13 +116,6 @@ (define installation-os
                   (password "")
                   (comment "Guest of GNU")
                   (home-directory "/home/guest"))))
-    (groups (list (user-group (name "root") (id 0))
-                  (user-group
-                   (name "wheel")
-                   (id 1))
-                  (user-group
-                   (name "users")
-                   (id 100))))
 
     (issue %issue)