diff --git a/pkgs/development/libraries/libgap/default.nix b/pkgs/development/libraries/libgap/default.nix
deleted file mode 100644
index b6a8ae3c8df..00000000000
--- a/pkgs/development/libraries/libgap/default.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-{ stdenv
-, fetchurl
-, gmp
-}:
-# will probably be obsolte (or at leat built from the upstream gap sources) soon (gap 4.9?). See
-# - https://github.com/gap-system/gap/projects/5#card-6239828
-# - https://github.com/markuspf/gap/issues/2
-# - https://trac.sagemath.org/ticket/22626
-stdenv.mkDerivation rec {
-  pname = "libgap";
-  # Has to be the same version as "gap"
-  version = "4.8.6";
-  src = fetchurl {
-    url = "mirror://sageupstream/libgap/libgap-${version}.tar.gz";
-    sha256 = "1h5fx5a55857w583ql7ly2jl49qyx9mvs7j5abys00ra9gzrpn5v";
-  };
-  buildInputs = [gmp];
-  meta = {
-    inherit version;
-    description = ''A library-packaged fork of the GAP kernel'';
-    license = stdenv.lib.licenses.gpl3Plus;
-    maintainers = [stdenv.lib.maintainers.raskin];
-    platforms = stdenv.lib.platforms.linux;
-  };
-}