diff --git a/pkgs/games/MazesOfMonad/default.nix b/pkgs/games/MazesOfMonad/default.nix
deleted file mode 100644
index 0e2abf6d7c77..000000000000
--- a/pkgs/games/MazesOfMonad/default.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-{ cabal, filepath, HUnit, mtl, random, regexPosix, time }:
-
-cabal.mkDerivation (self: {
-  pname = "MazesOfMonad";
-  version = "1.0.7";
-  sha256 = "1zk6bckll03b40iq8z13753glkmcan6439w8cc6rn5h2fhp189v9";
-  isLibrary = false;
-  isExecutable = true;
-  buildDepends = [ filepath HUnit mtl random regexPosix time ];
-  meta = {
-    description = "Console-based Role Playing Game";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
-  };
-})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index e208583e6a0d..a7f047a3ac5d 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -2685,8 +2685,6 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
     };
   };
 
-  MazesOfMonad = callPackage ../games/MazesOfMonad {};
-
 # End of the main part of the file.
 
 }