diff --git a/flake.lock b/flake.lock
--- a/flake.lock
+++ b/flake.lock
@@ -18,26 +18,6 @@ "repo": "flake-utils",
         "type": "github"
       }
     },
-    "gitignore": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
     "gomod2nix": {
       "inputs": {
         "flake-utils": "flake-utils",
@@ -156,7 +136,6 @@ }
     },
     "root": {
       "inputs": {
-        "gitignore": "gitignore",
         "gomod2nix": "gomod2nix",
         "htmx-src": "htmx-src",
         "htmx-ws-src": "htmx-ws-src",
diff --git a/flake.nix b/flake.nix
--- a/flake.nix
+++ b/flake.nix
@@ -37,10 +37,6 @@ sqlite-lib-src = {
       url = "https://sqlite.org/2024/sqlite-amalgamation-3450100.zip";
       flake = false;
     };
-    gitignore = {
-      url = "github:hercules-ci/gitignore.nix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
   };
 
   outputs = {
@@ -51,7 +47,6 @@ indigo,
     htmx-src,
     htmx-ws-src,
     lucide-src,
-    gitignore,
     inter-fonts-src,
     sqlite-lib-src,
     ibm-plex-mono-src,
@@ -62,7 +57,13 @@ nixpkgsFor = forAllSystems (system: nixpkgs.legacyPackages.${system});
 
     mkPackageSet = pkgs:
       pkgs.lib.makeScope pkgs.newScope (self: {
-        inherit (gitignore.lib) gitignoreSource;
+        src = let
+          fs = pkgs.lib.fileset;
+        in
+          fs.toSource {
+            root = ./.;
+            fileset = fs.difference (fs.intersection (fs.gitTracked ./.) (fs.fileFilter (file: !(file.hasExt "nix")) ./.)) (fs.maybeMissing ./.jj);
+          };
         buildGoApplication =
           (self.callPackage "${gomod2nix}/builder" {
             gomod2nix = gomod2nix.legacyPackages.${pkgs.system}.gomod2nix;
diff --git a/nix/pkgs/appview.nix b/nix/pkgs/appview.nix
--- a/nix/pkgs/appview.nix
+++ b/nix/pkgs/appview.nix
@@ -8,13 +8,12 @@ inter-fonts-src,
   ibm-plex-mono-src,
   tailwindcss,
   sqlite-lib,
-  gitignoreSource,
+  src,
 }:
 buildGoApplication {
   pname = "appview";
   version = "0.1.0";
-  src = gitignoreSource ../..;
-  inherit modules;
+  inherit src modules;
 
   postUnpack = ''
     pushd source
diff --git a/nix/pkgs/genjwks.nix b/nix/pkgs/genjwks.nix
--- a/nix/pkgs/genjwks.nix
+++ b/nix/pkgs/genjwks.nix
@@ -1,13 +1,12 @@
 {
-  gitignoreSource,
+  src,
   buildGoApplication,
   modules,
 }:
 buildGoApplication {
   pname = "genjwks";
   version = "0.1.0";
-  src = gitignoreSource ../..;
-  inherit modules;
+  inherit src modules;
   subPackages = ["cmd/genjwks"];
   doCheck = false;
   CGO_ENABLED = 0;
diff --git a/nix/pkgs/knot-unwrapped.nix b/nix/pkgs/knot-unwrapped.nix
--- a/nix/pkgs/knot-unwrapped.nix
+++ b/nix/pkgs/knot-unwrapped.nix
@@ -2,13 +2,12 @@ {
   buildGoApplication,
   modules,
   sqlite-lib,
-  gitignoreSource,
+  src,
 }:
 buildGoApplication {
   pname = "knot";
   version = "0.1.0";
-  src = gitignoreSource ../..;
-  inherit modules;
+  inherit src modules;
 
   doCheck = false;
 
diff --git a/nix/pkgs/spindle.nix b/nix/pkgs/spindle.nix
--- a/nix/pkgs/spindle.nix
+++ b/nix/pkgs/spindle.nix
@@ -2,13 +2,12 @@ {
   buildGoApplication,
   modules,
   sqlite-lib,
-  gitignoreSource,
+  src,
 }:
 buildGoApplication {
   pname = "spindle";
   version = "0.1.0";
-  src = gitignoreSource ../..;
-  inherit modules;
+  inherit src modules;
 
   doCheck = false;