diff --git a/pkgs/misc/themes/obsidian2/default.nix b/pkgs/data/themes/obsidian2/default.nix
similarity index 73%
rename from pkgs/misc/themes/obsidian2/default.nix
rename to pkgs/data/themes/obsidian2/default.nix
index 8a8e88ff6f9..3a2dcea4b3a 100644
--- a/pkgs/misc/themes/obsidian2/default.nix
+++ b/pkgs/data/themes/obsidian2/default.nix
@@ -1,25 +1,23 @@
 { stdenv, fetchFromGitHub, gtk-engine-murrine }:
 
 stdenv.mkDerivation rec {
-  name = "theme-obsidian2-${version}";
-  version = "2.8";
+  pname = "theme-obsidian2";
+  version = "2.9";
 
   src = fetchFromGitHub {
     owner = "madmaxms";
     repo = "theme-obsidian-2";
     rev = "v${version}";
-    sha256 = "0qryqpyxbhr0kyar2cshwhzv4da6rfz9gi4wjb6xvcb6szxhlcaq";
+    sha256 = "1m89ws2a4nms4m8187d5cxi281b66i59xa5shlp3g1r2jc4312cy";
   };
 
   propagatedUserEnvPkgs = [ gtk-engine-murrine ];
 
-  postPatch = ''
-    sed -i -e 's|Obsidian-2-Local|Obsidian-2|' Obsidian-2/index.theme
-  '';
-
   installPhase = ''
+    runHook preInstall
     mkdir -p $out/share/themes
     cp -a Obsidian-2 $out/share/themes
+    runHook postInstall
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index cbe997367c8..267cbcc5bca 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -17104,6 +17104,8 @@ in
     gtk = res.gtk2;
   };
 
+  theme-obsidian2 = callPackage ../data/themes/obsidian2 { };
+
   themes = name: callPackage (../data/misc/themes + ("/" + name + ".nix")) {};
 
   theano = callPackage ../data/fonts/theano { };
@@ -22741,8 +22743,6 @@ in
 
   theme-jade1 = callPackage ../misc/themes/jade1 { };
 
-  theme-obsidian2 = callPackage ../misc/themes/obsidian2 { };
-
   theme-vertex = callPackage ../misc/themes/vertex { };
 
   rox-filer = callPackage ../desktops/rox/rox-filer {