diff --git a/formatter.nix b/formatter.nix
index 1df766e81..73e8888ee 100644
--- a/formatter.nix
+++ b/formatter.nix
@@ -11,8 +11,6 @@
       treefmt.programs.nixfmt.enable = true;
       treefmt.programs.nixfmt.package = pkgs.nixfmt-rfc-style;
       treefmt.programs.deadnix.enable = true;
-      treefmt.programs.sizelint.enable = true;
-      treefmt.programs.sizelint.failOnWarn = true;
       treefmt.programs.clang-format.enable = true;
       treefmt.settings.global.excludes = [
         "*.png"