diff --git a/core/os.lisp b/core/os.lisp
index c97dfae..75ab872 100644
--- a/core/os.lisp
+++ b/core/os.lisp
@@ -44,7 +44,6 @@
((distrib :initarg :distrib
:accessor os-distrib
:type symbol)))
-
(defclass os-linux-debian (os-linux) ())
;; BSD