diff --git a/.pre-commit-hooks.yaml b/.pre-commit-hooks.yaml
index 26a0412..8f37c89 100644
--- a/.pre-commit-hooks.yaml
+++ b/.pre-commit-hooks.yaml
@@ -4,13 +4,3 @@
     language: script
     entry: ./scalafmt --non-interactive
     types: [scala]
-  - id: wartremover
-    name: Wartremover
-    language: script
-    entry: ./wartremover -traverser 'org.wartremover.warts.Null'
-    types: [scala]
-  - id: scalafix
-    name: Scalafix
-    language: script
-    entry: ./scalafix
-    types: [scala]
diff --git a/install.sh b/install.sh
index a386747..07f1ef9 100755
--- a/install.sh
+++ b/install.sh
@@ -1,2 +1 @@
 ./coursier bootstrap org.scalameta:scalafmt-cli_2.12:2.3.1   -r sonatype:snapshots   -o ./scalafmt --standalone --main org.scalafmt.cli.Cli
-./coursier bootstrap ch.epfl.scala:scalafix-cli_2.13.10:0.10.4 -f --main scalafix.cli.Cli -o scalafix
diff --git a/scalafix b/scalafix
deleted file mode 100755
index d108328..0000000
Binary files a/scalafix and /dev/null differ
diff --git a/shell.nix b/shell.nix
index df88230..f859a72 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,9 +1,8 @@
 let
-
   nixpkgs = builtins.fetchTarball {
-    name   = "nixos-23.05-20231026-051829";
-    url    = "https://github.com/NixOS/nixpkgs/archive/04f431fe64a5.tar.gz";
-    sha256 = "05lwii2zf4j790m886jqag4g5pgahjfg9balvfifah3aic8djzll";
+    name   = "nixos-24.05-20241112";
+    url    = "https://github.com/NixOS/nixpkgs/archive/9256f7c71a19.tar.gz";
+    sha256 = "0dxwisjg7cg8m7lm1643s0fs9gplji1l25hiwplkqwa5c4hs6v5b";
   };
 
   pkgs = import nixpkgs { };