diff --git a/src/data/configs/lefthook.nix b/src/data/configs/lefthook.nix
index 65f84f79..1fc1bc05 100644
--- a/src/data/configs/lefthook.nix
+++ b/src/data/configs/lefthook.nix
@@ -17,7 +17,7 @@ in {
     pre-commit = {
       commands = {
         treefmt = {
-          run = "${lib.getExe nixpkgs.treefmt1 or nixpkgs.treefmt} --fail-on-change {staged_files}";
+          run = "${lib.getExe nixpkgs.treefmt} --fail-on-change {staged_files}";
           skip = ["merge" "rebase"];
         };
       };
diff --git a/src/lib/cfg/treefmt.nix b/src/lib/cfg/treefmt.nix
index 031cf9d8..29281c21 100644
--- a/src/lib/cfg/treefmt.nix
+++ b/src/lib/cfg/treefmt.nix
@@ -4,5 +4,5 @@ in {
   data = {};
   output = "treefmt.toml";
   format = "toml";
-  commands = [{package = nixpkgs.treefmt1 or nixpkgs.treefmt;}];
+  commands = [{package = nixpkgs.treefmt;}];
 }