diff --git a/ops/nixos/porcorosso/default.nix b/ops/nixos/porcorosso/default.nix
index c665ccabeb..989bdf4ec6 100644
--- a/ops/nixos/porcorosso/default.nix
+++ b/ops/nixos/porcorosso/default.nix
@@ -205,8 +205,9 @@ in {
   hardware.bluetooth.enable = true;
 
   # Define a user account.
+  programs.adb.enable = true;
   users.users.lukegb = {
-    extraGroups = [ "wheel" "networkmanager" "libvirtd" "lxd" "video" "dialout" ];
+    extraGroups = [ "wheel" "networkmanager" "libvirtd" "lxd" "video" "dialout" "adbusers" ];
   };
   my.home-manager.system = {...}: {
     xsession.windowManager.i3.config.startup = lib.mkAfter [
diff --git a/third_party/nixpkgs/patches/prison-zxing.patch b/third_party/nixpkgs/patches/prison-zxing.patch
deleted file mode 100644
index 393a21056b..0000000000
--- a/third_party/nixpkgs/patches/prison-zxing.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-diff --git a/pkgs/development/libraries/kde-frameworks/prison.nix b/pkgs/development/libraries/kde-frameworks/prison.nix
---- a/pkgs/development/libraries/kde-frameworks/prison.nix
-+++ b/pkgs/development/libraries/kde-frameworks/prison.nix
-@@ -2,12 +2,13 @@
-   mkDerivation,
-   extra-cmake-modules,
-   libdmtx, qrencode, qtbase,
-+  qtmultimedia, zxing-cpp,
- }:
- 
- mkDerivation {
-   pname = "prison";
-   nativeBuildInputs = [ extra-cmake-modules ];
--  buildInputs = [ libdmtx qrencode ];
--  propagatedBuildInputs = [ qtbase ];
-+  buildInputs = [ libdmtx qrencode zxing-cpp ];
-+  propagatedBuildInputs = [ qtbase qtmultimedia ];
-   outputs = [ "out" "dev" ];
- }
diff --git a/third_party/nixpkgs/patches/series b/third_party/nixpkgs/patches/series
index d9d628e304..2f2fbd7867 100644
--- a/third_party/nixpkgs/patches/series
+++ b/third_party/nixpkgs/patches/series
@@ -1,3 +1,2 @@
 kubo-multiaddr.patch
-prison-zxing.patch
 buildrustcrate-aarch64-linux.patch