diff --git a/flake.lock b/flake.lock
index daf37b8..9e70e85 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1758791193,
-        "narHash": "sha256-F8WmEwFoHsnix7rt290R0rFXNJiMbClMZyIC/e+HYf0=",
+        "lastModified": 1739357830,
+        "narHash": "sha256-9xim3nJJUFbVbJCz48UP4fGRStVW5nv4VdbimbKxJ3I=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "25e53aa156d47bad5082ff7618f5feb1f5e02d01",
+        "rev": "0ff09db9d034a04acd4e8908820ba0b410d7a33a",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-25.05",
+        "ref": "nixos-24.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 9567822..f619fe0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,11 +2,11 @@
   description = "Flake for the servicepoint library.";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
   };
 
   outputs =
-    {
+    inputs@{
       self,
       nixpkgs,
     }:
@@ -24,45 +24,15 @@
           system:
           f rec {
             pkgs = nixpkgs.legacyPackages.${system};
-            selfPkgs = self.packages.${system};
             inherit system;
           }
         );
     in
-    {
-      packages = forAllSystems (
-        { pkgs, selfPkgs, ... }:
-        {
-          servicepoint-binding-uniffi = pkgs.rustPlatform.buildRustPackage {
-            pname = "servicepoint-binding-uniffi";
-            version = "0.13.1";
-
-            src = ./.;
-            cargoDeps = pkgs.rustPlatform.importCargoLock { lockFile = ./Cargo.lock; };
-
-            nativeBuildInputs = with pkgs; [
-              pkg-config
-            ];
-
-            buildInputs = with pkgs; [
-              xe
-              xz
-            ];
-
-            postInstall = ''
-              mkdir -p $out/lib/pkgconfig
-              sed "s:\$out:$out:g" ${./servicepoint-binding-uniffi.pc.in} | sed "s:\$version:$version:g" > $out/lib/pkgconfig/servicepoint-binding-uniffi.pc
-            '';
-          };
-          default = selfPkgs.servicepoint-binding-uniffi;
-        }
-      );
-
+    rec {
       devShells = forAllSystems (
-        { pkgs, selfPkgs, ... }:
+        { pkgs, system }:
         {
-          default = pkgs.mkShell {
-            inputsFrom = [ selfPkgs.default ];
+          default = pkgs.mkShell rec {
             packages = with pkgs; [
               (pkgs.symlinkJoin {
                 name = "rust-toolchain";
@@ -76,12 +46,15 @@
                   cargo-tarpaulin
                 ];
               })
+              xe
+              xz
+              pkg-config
             ];
             RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
           };
         }
       );
 
-      formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-tree);
+      formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-rfc-style);
     };
 }
diff --git a/servicepoint-binding-uniffi.pc.in b/servicepoint-binding-uniffi.pc.in
deleted file mode 100644
index 622867c..0000000
--- a/servicepoint-binding-uniffi.pc.in
+++ /dev/null
@@ -1,5 +0,0 @@
-Name: servicepoint-binding-uniffi
-Description: UniFFI bindings for the servicepoint library
-Version: $version
-URL: https://git.berlin.ccc.de/servicepoint/servicepoint-binding-uniffi
-Libs: -L$out/lib -lservicepoint_binding_uniffi