diff --git a/flake.nix b/flake.nix
index 0211d13..611363a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -65,19 +65,16 @@
             overlays = [ (import inputs.rust-overlay) ];
           };
 
-          packages.default = self'.packages.example;
+          packages.default = (rustPackage "");
           devShells.default = pkgs.mkShell {
-              shellHook = ''
-                export RUST_SRC_PATH=${pkgs.rustPlatform.rustLibSrc}
-              '';
-              buildInputs = runtimeDeps;
-              nativeBuildInputs = buildDeps ++ devDeps ++ [ (pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default)) ];
-            };
+            shellHook = ''
+              export RUST_SRC_PATH=${pkgs.rustPlatform.rustLibSrc}
+            '';
+            buildInputs = runtimeDeps;
+            nativeBuildInputs =
+              buildDeps ++ devDeps ++ [ (pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default)) ];
+          };
 
-          packages.example = (rustPackage "foobar");
-          packages.example-base = (rustPackage "");
-
-          
           treefmt = {
             projectRootFile = "./flake.nix";
             programs = {
diff --git a/src/main.rs b/src/main.rs
index d00b4de..c722a87 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,7 +8,7 @@ fn main() {
     tracing_subscriber::fmt::init();
     solve_day(1, day01::pt1, day01::pt2);
     solve_day(2, day02::pt1, day02::pt2);
-    solve_day(3, day03::pt1, day03::pt2); 
+    solve_day(3, day03::pt1, day03::pt2);
 }
 
 fn solve_day<Fa, Fb, Ta, Tb>(day: u8, part_a: Fa, part_b: Fb)