diff --git a/backup/goldendict-ng.scm b/backup/goldendict-ng.scm
deleted file mode 100644
index 4bec1f1..0000000
--- a/backup/goldendict-ng.scm
+++ /dev/null
@@ -1,82 +0,0 @@
-(define-module
-  (goldendict-ng))
-
-(use-modules
- (guix packages)
- (guix git-download)
- (gnu packages version-control)
- (guix download)
- (guix build-system gnu)
- (gnu packages xiph)
- (gnu packages hunspell)
- (gnu packages xorg)
- (gnu packages cmake)
- (guix build-system cmake)
- (gnu packages image)
- (gnu packages compression)
- (gnu packages video)
- (gnu packages pkg-config)
- (gnu packages qt)
- (guix licenses))
-
-(
-define-public
-goldendict-ng
-(package
-  (name "goldendict-ng")
-  (version "23.1")
-  (source
-   (origin
-     (method git-fetch)
-     (uri
-      (git-reference
-       (url "https://github.com/xiaoyifang/goldendict-ng.git")
-       (commit "80eb60a138d569210115db3ddb1b626c8932d27e")))
-     (sha256
-      (base32 "1jikpq8l8v0acgnnwnxg4x3w6jhyblmk9qnbamzscclrwq5bybxr"))))
-  (build-system cmake-build-system)
-     (arguments
-     `(#:configure-flags '("-DCMAKE_BUILD_TYPE=Release")
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'patch-some-file
-           (lambda* (#:key inputs #:allow-other-keys)
-             (let ((cmake (assoc-ref inputs "cmake")))
-               (substitute* "CMakeLists.txt"
-                 (("find_package(Threads REQUIRED)")
-                  (string-append "find_package(Threads REQUIRED)\n"
-                                 "set(CMAKE_CXX_STANDARD 11)\n"
-                                 "set(CMAKE_CXX_STANDARD_REQUIRED ON)\n"
-                                 "set(CMAKE_CXX_EXTENSIONS OFF)")))
-               #t))))))
-  (native-inputs
-   (list
-    cmake pkg-config))
-  (inputs
-   (list libvorbis
-     hunspell
-     xproto
-     libtiff
-     qtbase
-     qtmultimedia
-     qtsvg
-     qttools
-     qtwebengine
-     qtwebview
-     qtx11extras
-     libxtst
-     lzo
-     bzip2
-     git
-     ao
-     ffmpeg))
-
-   (synopsis "A feature-rich dictionary lookup program")
-   (description
-    "GoldenDict is a feature-rich dictionary lookup program,
-supporting multiple dictionary formats (StarDict, Babylon, Lingvo, Dictd, AARD,
-MDict, SDict) and online dictionaries, featuring perfect article rendering with
-the complete markup, illustrations and other content retained, and allowing you
-to type in words without any accents or correct case.")
-   (home-page "http://goldendict.org/")
-   (license gpl3+)))