diff --git a/flake.lock b/flake.lock
index 445a04e..a1bd898 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,210 +1,6 @@
 {
   "nodes": {
-    "cachix": {
-      "inputs": {
-        "devenv": [
-          "devenv"
-        ],
-        "flake-compat": [
-          "devenv"
-        ],
-        "git-hooks": [
-          "devenv",
-          "git-hooks"
-        ],
-        "nixpkgs": [
-          "devenv",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1748883665,
-        "narHash": "sha256-R0W7uAg+BLoHjMRMQ8+oiSbTq8nkGz5RDpQ+ZfxxP3A=",
-        "owner": "cachix",
-        "repo": "cachix",
-        "rev": "f707778d902af4d62d8dd92c269f8e70de09acbe",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "ref": "latest",
-        "repo": "cachix",
-        "type": "github"
-      }
-    },
-    "devenv": {
-      "inputs": {
-        "cachix": "cachix",
-        "flake-compat": "flake-compat",
-        "git-hooks": "git-hooks",
-        "nix": "nix",
-        "nixpkgs": "nixpkgs_2"
-      },
-      "locked": {
-        "lastModified": 1750437384,
-        "narHash": "sha256-3m00pI4ZdYDenFSKeWfMNjM0npdoHu5ssWRW+n577Fk=",
-        "owner": "cachix",
-        "repo": "devenv",
-        "rev": "3bd127d022e00c6656440732a1839df6798ac946",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "devenv",
-        "type": "github"
-      }
-    },
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1747046372,
-        "narHash": "sha256-CIVLLkVgvHYbgI2UpXvIIBJ12HWgX+fjA8Xf8PUmqCY=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-parts": {
-      "inputs": {
-        "nixpkgs-lib": [
-          "devenv",
-          "nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1733312601,
-        "narHash": "sha256-4pDvzqnegAfRkPwO3wmwBhVi/Sye1mzps0zHWYnP88c=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "205b12d8b7cd4802fbcb8e8ef6a0f1408781a4f9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
-    "git-hooks": {
-      "inputs": {
-        "flake-compat": [
-          "devenv",
-          "flake-compat"
-        ],
-        "gitignore": "gitignore",
-        "nixpkgs": [
-          "devenv",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1749636823,
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "rev": "623c56286de5a3193aa38891a6991b28f9bab056",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "type": "github"
-      }
-    },
-    "gitignore": {
-      "inputs": {
-        "nixpkgs": [
-          "devenv",
-          "git-hooks",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
-    "nix": {
-      "inputs": {
-        "flake-compat": [
-          "devenv",
-          "flake-compat"
-        ],
-        "flake-parts": "flake-parts",
-        "git-hooks-nix": [
-          "devenv",
-          "git-hooks"
-        ],
-        "nixpkgs": "nixpkgs",
-        "nixpkgs-23-11": [
-          "devenv"
-        ],
-        "nixpkgs-regression": [
-          "devenv"
-        ]
-      },
-      "locked": {
-        "lastModified": 1750117611,
-        "narHash": "sha256-LTwASICtyN3AjzlF9l2ZNAIVZqclio3yRcwwZy3QSJA=",
-        "owner": "cachix",
-        "repo": "nix",
-        "rev": "9e4fc95c388e2223d47da865503dee20d179776a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "ref": "devenv-2.30",
-        "repo": "nix",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
-      "locked": {
-        "lastModified": 1747179050,
-        "narHash": "sha256-qhFMmDkeJX9KJwr5H32f1r7Prs7XbQWtO0h3V0a0rFY=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "adaa24fbf46737f3f1b5497bf64bae750f82942e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1746807397,
-        "narHash": "sha256-zU2z0jlkJGWLhdNr/8AJSxqK8XD0IlQgHp3VZcP56Aw=",
-        "owner": "cachix",
-        "repo": "devenv-nixpkgs",
-        "rev": "c5208b594838ea8e6cca5997fbf784b7cca1ca90",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "ref": "rolling",
-        "repo": "devenv-nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
       "locked": {
         "lastModified": 1750215678,
         "narHash": "sha256-Rc/ytpamXRf6z8UA2SGa4aaWxUXRbX2MAWIu2C8M+ok=",
@@ -222,8 +18,7 @@
     },
     "root": {
       "inputs": {
-        "devenv": "devenv",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs",
         "systems": "systems"
       }
     },
diff --git a/flake.nix b/flake.nix
index 37bb9b7..7385711 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,6 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     systems.url = "github:nix-systems/default";
-    devenv.url = "github:cachix/devenv";
   };
 
   nixConfig = {
@@ -12,19 +11,24 @@
 
   outputs =
     {
-      self,
       systems,
       nixpkgs,
-      devenv,
       ...
-    }@inputs:
+    }:
     let
       eachSystem = nixpkgs.lib.genAttrs (import systems);
     in
-    {
-      packages = eachSystem (system: {
-        devenv-up = self.devShells.${system}.default.config.procfileScript;
-      });
+    rec {
+      packages = eachSystem (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+        in
+        rec {
+          default = pkgs.callPackage ./nix/package.nix { };
+          application-launcher = default;
+        }
+      );
 
       devShells = eachSystem (
         system:
@@ -32,23 +36,23 @@
           pkgs = nixpkgs.legacyPackages.${system};
         in
         {
-          default = devenv.lib.mkShell {
-            inherit inputs pkgs;
-            modules = [
-              (
-                { pkgs, ... }:
-                {
-                  dotenv.disableHint = true;
+          default = pkgs.mkShell {
+            # Copy build inputs from package
+            buildInputs = packages.${system}.default.buildInputs;
+            nativeBuildInputs =
+              # Copy native build inputs from package
+              packages.${system}.default.nativeBuildInputs
+              ++ (with pkgs; [
+                # Additional packages for development
+                rustc
+                rustfmt
+                cargo
+                rust-analyzer
+                clippy
+              ]);
 
-                  languages.rust.enable = true;
-
-                  packages = with pkgs; [
-                    gtk4
-                    gtk4-layer-shell
-                  ];
-                }
-              )
-            ];
+            # Needed for rust-analyzer to find the rust standard library
+            RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
           };
         }
       );
diff --git a/nix/package.nix b/nix/package.nix
new file mode 100644
index 0000000..f03248e
--- /dev/null
+++ b/nix/package.nix
@@ -0,0 +1,22 @@
+{
+  rustPlatform,
+  gtk4,
+  gtk4-layer-shell,
+  pkg-config,
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "application-launcher";
+  version = "0.1.0";
+
+  src = ./..;
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  buildInputs = [
+    gtk4
+    gtk4-layer-shell
+  ];
+  cargoHash = "sha256-KgixCJMtDoIe2JIVrkk5HCnaca2sZSuOREOXC1othXk=";
+}