diff --git a/pkgs/games/hedgewars/21eb5b79072b147d0a9b7fafca98501e7056c834.patch b/pkgs/games/hedgewars/21eb5b79072b147d0a9b7fafca98501e7056c834.patch
deleted file mode 100644
index 1de99542bdbf..000000000000
--- a/pkgs/games/hedgewars/21eb5b79072b147d0a9b7fafca98501e7056c834.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-From 21eb5b79072b147d0a9b7fafca98501e7056c834 Mon Sep 17 00:00:00 2001
-From: koda <vittorio.giovara@gmail.com>
-Date: Tue, 2 Jun 2015 19:51:04 +0100
-Subject: [PATCH] Fix building hedgewars-server
-
----
- gameServer/CoreTypes.hs           | 2 +-
- gameServer/hedgewars-server.cabal | 2 +-
- 2 files changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/gameServer/CoreTypes.hs b/gameServer/CoreTypes.hs
-index 553e722..2c75153 100644
---- a/gameServer/CoreTypes.hs
-+++ b/gameServer/CoreTypes.hs
-@@ -38,7 +38,7 @@ import RoomsAndClients
- instance NFData B.ByteString
- #endif
- 
--instance NFData (Chan a)
-+instance NFData (Chan a) where rnf a  = ()
- 
- instance NFData Action where
-     rnf (AnswerClients chans msg) = chans `deepseq` msg `deepseq` ()
-diff --git a/gameServer/hedgewars-server.cabal b/gameServer/hedgewars-server.cabal
-index 122f2ef..f36a190 100644
---- a/gameServer/hedgewars-server.cabal
-+++ b/gameServer/hedgewars-server.cabal
-@@ -33,7 +33,7 @@ Executable hedgewars-server
-     utf8-string,
-     SHA,
-     entropy,
--    zlib
-+    zlib >= 0.5.3 && < 0.6
- 
-   if !os(windows)
-     build-depends: unix
diff --git a/pkgs/games/hedgewars/default.nix b/pkgs/games/hedgewars/default.nix
index f5d4627c5c08..8d601e29d0b0 100644
--- a/pkgs/games/hedgewars/default.nix
+++ b/pkgs/games/hedgewars/default.nix
@@ -5,15 +5,15 @@
 
 let
   ghc = ghcWithPackages (pkgs: with pkgs; [
-          network vector utf8-string bytestring-show random hslogger dataenc SHA entropy zlib
+          network vector utf8-string bytestring-show random hslogger dataenc SHA entropy zlib_0_5_4_2
         ]);
 in
 stdenv.mkDerivation rec {
-  version = "0.9.21";
+  version = "0.9.22";
   name = "hedgewars-${version}";
   src = fetchurl {
     url = "http://download.gna.org/hedgewars/hedgewars-src-${version}.tar.bz2";
-    sha256 = "0abnzpyq6sxlfcz5b0kh6r7n1692dwrgsdsr4s216xhh9n19xm0w";
+    sha256 = "14i1wvqbqib9h9092z10g4g0y14r5sp2fdaksvnw687l3ybwi6dn";
   };
 
   buildInputs = [
@@ -21,8 +21,6 @@ stdenv.mkDerivation rec {
     qt4 ghc ffmpeg freeglut makeWrapper physfs
   ];
 
-  patches = [ ./21eb5b79072b147d0a9b7fafca98501e7056c834.patch ];
-
   preBuild = ''
     export NIX_LDFLAGS="$NIX_LDFLAGS -rpath ${SDL_image}/lib
                                      -rpath ${SDL_mixer}/lib