diff --git a/pkgs/data/themes/ant-theme/ant-nebula.nix b/pkgs/data/themes/ant-theme/ant-nebula.nix
index 75aeb91f902..03ee3b5d2d4 100644
--- a/pkgs/data/themes/ant-theme/ant-nebula.nix
+++ b/pkgs/data/themes/ant-theme/ant-nebula.nix
@@ -16,8 +16,6 @@ stdenv.mkDerivation rec {
     gtk-engine-murrine
   ];
 
-  dontBuild = true;
-
   installPhase = ''
     runHook preInstall
     mkdir -p $out/share/themes/${themeName}
@@ -26,10 +24,6 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
-  outputHashAlgo = "sha256";
-  outputHashMode = "recursive";
-  outputHash = "1lmlc4fvjnp05gshc0arfysh8r1xxzpzdv3j0bk40mjf3d59814c";
-
   meta = with stdenv.lib; {
     description = "Nebula variant of the Ant theme";
     homepage = "https://github.com/EliverLara/${themeName}";