diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index 40f882e5e5..51a60b8d3d 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -1443,8 +1443,7 @@ (define gcc-core-mesboot1
                      (let ((patch-file
                             #$(local-file
                                (search-patch "gcc-boot-4.6.4.patch"))))
-                       (invoke "patch" "--force" "-p1" "-i" patch-file)))
-                   (lambda* (#:key inputs #:allow-other-keys)
+                       (invoke "patch" "--force" "-p1" "-i" patch-file))
                      (let ((patch-file
                             #$(local-file
                                (search-patch "gcc-boot-2.95.3-arm.patch"))))