diff --git a/treefmt.nix b/treefmt.nix
index 3e00dd3..a39997f 100644
--- a/treefmt.nix
+++ b/treefmt.nix
@@ -1,46 +1,44 @@
 {
   perSystem = {lib, ...}: {
-    treefmt = {
-      programs = {
-        alejandra = {
-          enable = true;
-          excludes = ["_sources/*.nix"];
-        };
-        oxfmt = let
-          oxfmtConfig = with lib;
-            pipe ./.oxfmtrc.json [builtins.readFile builtins.fromJSON];
-        in {
-          enable = true;
-          includes = ["*.json" "*.md" "*.toml" "*.yaml"];
-          excludes = oxfmtConfig.ignorePatterns;
-        };
-        just = {
-          enable = true;
-          includes = [".justfile"];
-        };
-        typos = let
-          config = with lib;
-            pipe ./.typos.toml [builtins.readFile fromTOML];
-        in {
-          enable = true;
-          includes = ["*"];
-          excludes = ["assets/*"] ++ config.files.extend-exclude;
-          configFile = toString ./.typos.toml;
-          # Disable all extra option in treefmt module.
-          # Use config file.
-          sort = false;
-          isolated = false;
-          hidden = false;
-          noIgnore = false;
-          noIgnoreDot = false;
-          noIgnoreGlobal = false;
-          noIgnoreParent = false;
-          noIgnoreVCS = false;
-          binary = false;
-          noCheckFilenames = false;
-          noCheckFiles = false;
-          noUnicode = false;
-        };
+    treefmt.programs = {
+      alejandra = {
+        enable = true;
+        excludes = ["_sources/*.nix"];
+      };
+      oxfmt = let
+        oxfmtConfig = with lib;
+          pipe ./.oxfmtrc.json [builtins.readFile builtins.fromJSON];
+      in {
+        enable = true;
+        includes = ["*.json" "*.md" "*.toml" "*.yaml"];
+        excludes = oxfmtConfig.ignorePatterns;
+      };
+      just = {
+        enable = true;
+        includes = [".justfile"];
+      };
+      typos = let
+        config = with lib;
+          pipe ./.typos.toml [builtins.readFile fromTOML];
+      in {
+        enable = true;
+        includes = ["*"];
+        excludes = ["assets/*"] ++ config.files.extend-exclude;
+        configFile = toString ./.typos.toml;
+        # Disable all extra option in treefmt module.
+        # Use config file.
+        sort = false;
+        isolated = false;
+        hidden = false;
+        noIgnore = false;
+        noIgnoreDot = false;
+        noIgnoreGlobal = false;
+        noIgnoreParent = false;
+        noIgnoreVCS = false;
+        binary = false;
+        noCheckFilenames = false;
+        noCheckFiles = false;
+        noUnicode = false;
       };
     };
   };