diff --git a/home/isabel/packages.nix b/home/isabel/packages.nix
index 6692f8e7..e493a20e 100644
--- a/home/isabel/packages.nix
+++ b/home/isabel/packages.nix
@@ -22,7 +22,7 @@ in
         # gum # a nicer scripting
         jq # json parser
         just # cool build tool
-        # nix-output-monitor # much nicer nix build output
+        nix-output-monitor # much nicer nix build output
         unzip
         wakatime-cli
         yq # yaml parser
@@ -37,28 +37,6 @@ in
       izvim = inputs'.izvim.packages.izvim.override {
         inherit (inputs'.izlix.packages) nil;
       };
-
-      # nom >= 2.1.7 breaks with lix so lets just use an older version for now.
-      # also add a warning to eventually force me to fix this instead of forgetting
-      # <https://github.com/maralorn/nix-output-monitor/issues/230>
-      nix-output-monitor =
-        if lib.versionAtLeast pkgs.nix-output-monitor.version "2.1.9" then
-          throw "time to update nix-output-monitor. also remember to change the shell.nix"
-        else
-          pkgs.nix-output-monitor.overrideAttrs (oa: {
-            version = "2.1.9-unstable";
-            src = pkgs.fetchFromGitHub {
-              owner = "maralorn";
-              repo = "nix-output-monitor";
-              rev = "e22c16dab4a203a53efe311f0161e82a37e5dbf7";
-              hash = "sha256-lCzWt0eafug0ZKITSxJnVLrmI4Cr22I8g4zgsetiLtc=";
-            };
-
-            propagatedBuildInputs = (oa.nix-output-monitor.propagatedBuildInputs or [ ]) ++ [
-              pkgs.haskellPackages.fsnotify
-              pkgs.haskellPackages.doctest-parallel
-            ];
-          });
     })
 
     # (optionalAttrs cfg.graphical.enable {
diff --git a/modules/flake/programs/shell.nix b/modules/flake/programs/shell.nix
index eb54a653..782c28ce 100644
--- a/modules/flake/programs/shell.nix
+++ b/modules/flake/programs/shell.nix
@@ -3,7 +3,7 @@
   just,
   gitMinimal,
   sops,
-  # nix-output-monitor,
+  nix-output-monitor,
   treefmt-wrapped,
 }:
 mkShellNoCC {
@@ -14,7 +14,7 @@ mkShellNoCC {
     gitMinimal # we need git
     sops # secrets management
     treefmt-wrapped # nix formatter
-    # nix-output-monitor # get clean diff between generations
+    nix-output-monitor # get clean diff between generations
   ]
   ++ treefmt-wrapped.runtimeInputs; # collect all our formatters