1 files changed, 1 insertions, 10 deletions

diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index 4c8c5a0dc47..270888d0a59 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -2019,18 +2019,9 @@ R. Seaman's protocol}
          (file-name (git-file-name name version))
          (sha256
           (base32 "0n2jzlpwvjgj8ydg7hsqxnvy8s9pdi5z96id0231kgi87pyfkh7s"))
-         (modules '((guix build utils)
-                    (ice-9 ftw)
-                    (srfi srfi-26)))
+         (modules '((guix build utils)))
          (snippet
           #~(begin
-              ;; XXX: 'delete-all-but' is copied from the turbovnc package.
-              (define (delete-all-but directory . preserve)
-                (with-directory-excursion directory
-                  (let* ((pred (negate (cut member <>
-                                            (cons* "." ".." preserve))))
-                         (items (scandir "." pred)))
-                    (for-each (cut delete-file-recursively <>) items))))
               (delete-all-but "thirdparty" "thirdparty.cmake")))))
       (build-system cmake-build-system)
       (arguments