diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index a8e23065aeff..8c8dc0961ab7 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -117301,25 +117301,6 @@ self: {
        license = stdenv.lib.licenses.lgpl21;
      }) {};
 
-  "som" = callPackage
-    ({ mkDerivation, assert, base, containers, deepseq, grid
-     , MonadRandom, QuickCheck, random, test-framework
-     , test-framework-quickcheck2
-     }:
-     mkDerivation {
-       pname = "som";
-       version = "8.0.6";
-       sha256 = "19p62b72xz1yn7fd9k406h98jg8zsyazbscdsljx7fnn0f3v7j9d";
-       buildDepends = [ assert base containers deepseq grid MonadRandom ];
-       testDepends = [
-         assert base containers grid MonadRandom QuickCheck random
-         test-framework test-framework-quickcheck2
-       ];
-       homepage = "https://github.com/mhwombat/som";
-       description = "Self-Organising Maps";
-       license = stdenv.lib.licenses.bsd3;
-     }) {};
-
   "sonic-visualiser" = callPackage
     ({ mkDerivation, array, base, bytestring, bzlib, containers, mtl
      , pretty, utf8-string, xml