diff --git a/.clang-format b/.clang-format
index 22d4205..f47e7d6 100644
--- a/.clang-format
+++ b/.clang-format
@@ -7,8 +7,4 @@ Language: Cpp
 # Force pointers to the type for C++.
 DerivePointerAlignment: false
 PointerAlignment: Left
-
-# Break after every argument or not at all
-BinPackArguments: false
-BinPackParameters: false
 ---
diff --git a/flake.lock b/flake.lock
index f54086e..00c49b4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -42,11 +42,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1633726775,
-        "narHash": "sha256-imcgx7bHP0qzRNu31jknZAzze71pWnEbMbnBcZYxXMg=",
+        "lastModified": 1631170176,
+        "narHash": "sha256-RLN/kur2Kpxt0cJp0Fms8ixuGpT8IHX0OpeQ8u8f0X4=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "77b45d526e4dcc1f26ce449f5dc561f2e6eb5db6",
+        "rev": "3ed0e618cebc1ff291c27b749cf7568959cac028",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index f39bfbf..8a18a85 100644
--- a/flake.nix
+++ b/flake.nix
@@ -49,12 +49,15 @@
 
         checks = {
           pre-commit = pre-commit-hooks.lib.${system}.run {
-            src = ./.;
+            src = self;
 
             hooks = {
               clang-format = {
                 enable = true;
-                types_or = [ "c++" ];
+                name = "clang-format";
+                entry = "${pkgs.clang-tools}/bin/clang-format -style=file -i";
+                types = [ "text" "c++" ];
+                language = "system";
               };
 
               nixpkgs-fmt = {
@@ -69,9 +72,10 @@
         defaultPackage = packages.dragger;
 
         devShell = pkgs.mkShell {
-          inputsFrom = with packages; [
-            dragger
-          ];
+          nativeBuildInputs = with pkgs; [ ]
+          ++ defaultPackage.nativeBuildInputs
+          ++ defaultPackage.buildInputs
+          ;
 
           inherit (checks.pre-commit) shellHook;
         };
diff --git a/src/dragger.cc b/src/dragger.cc
index 7c08b83..87c59e4 100644
--- a/src/dragger.cc
+++ b/src/dragger.cc
@@ -1,5 +1,4 @@
 #include <QApplication>
-#include <QCommandLineParser>
 #include <QDebug>
 #include <QDrag>
 #include <QFile>
@@ -10,23 +9,10 @@
 
 int main(int argc, char* argv[]) {
     QApplication app(argc, argv);
-    QApplication::setApplicationName("dragger");
-    QApplication::setApplicationVersion("0.1.0");
-
-    QCommandLineParser parser;
-    parser.setApplicationDescription("A CLI drag-and-drop tool");
-    parser.addHelpOption();
-    parser.addVersionOption();
-    parser.addPositionalArgument(
-        "files",
-        QCoreApplication::translate("files", "files to drag-and-drop"),
-        "[FILES...]");
-
-    parser.process(app);
 
     QList<QUrl> urls;
-    for (auto const& path : parser.positionalArguments()) {
-        QFileInfo file{QFile{path}};
+    for (int i = 1; i < argc; ++i) {
+        QFileInfo file(QFile(argv[i]));
         if (file.exists()) {
             urls << QUrl("file:" + file.absoluteFilePath());
         } else {