diff --git a/pkgs/applications/networking/remote/freerdp/unstable.nix b/pkgs/applications/networking/remote/freerdp/unstable.nix
index 0905e2c71bdf..78e275690ac5 100644
--- a/pkgs/applications/networking/remote/freerdp/unstable.nix
+++ b/pkgs/applications/networking/remote/freerdp/unstable.nix
@@ -13,20 +13,19 @@
 , libXext
 , directfb
 , cunit
-, xmonadHack ? false
 }:
 
 assert printerSupport -> cups != null;
 
-let rev = "93d09e1a38a94c2436c53ef5ff99668e6c55ef96"; in
+let rev = "42fb9f84e82268073a3838e6082783ba956ecc99"; in
 
-stdenv.mkDerivation (rec {
+stdenv.mkDerivation rec {
   name = "freerdp-1.0pre${rev}";
 
   src = fetchgit {
     url = git://github.com/FreeRDP/FreeRDP.git;
     inherit rev;
-    sha256 = "a6662826fa0d8e5ecaaf42b40f1f3c54577a1d76ad58a01bd154647d5a1c01f7";
+    sha256 = "5e77163e2a728802fc426860b3f5ff88cb2f2f3b0bbf0912e9e44c3d8fa060e5";
   };
 
   buildInputs = [
@@ -64,11 +63,5 @@ stdenv.mkDerivation (rec {
 
     maintainers = [ stdenv.lib.maintainers.shlevy ];
   };
-} // (stdenv.lib.optionalAttrs xmonadHack {
-   #xmonad doesn't provide the _NET_WORKAREA atom, so we need to remove the
-   #call that relies on it. This just messes up sizing in non-fullscreen mode
-   postUnpack = ''
-    sed -i 's@xf_GetWorkArea(xfi)@///xf_GetWorkArea(xfi)@' git-export/client/X11/xf_monitor.c
-  '';
-}))
+}