diff --git a/deploy.nix b/deploy.nix
index f927baa..232b7e3 100644
--- a/deploy.nix
+++ b/deploy.nix
@@ -1,5 +1,5 @@
 { writeShellApplication }:
-name: config:
+name: _config:
 writeShellApplication {
   name = "deploy";
   text = ''
diff --git a/fediversity/mastodon.nix b/fediversity/mastodon.nix
index 8583c60..8b6e95b 100644
--- a/fediversity/mastodon.nix
+++ b/fediversity/mastodon.nix
@@ -8,7 +8,6 @@ in
 {
   config,
   lib,
-  pkgs,
   ...
 }:
 
diff --git a/fediversity/peertube.nix b/fediversity/peertube.nix
index 96e256c..4a4a07b 100644
--- a/fediversity/peertube.nix
+++ b/fediversity/peertube.nix
@@ -8,7 +8,6 @@ in
 {
   config,
   lib,
-  pkgs,
   ...
 }:
 
diff --git a/flake.nix b/flake.nix
index da8cdaa..67f7cf4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,7 +23,7 @@
       pkgs = nixpkgs.legacyPackages.${system};
       pkgsLatest = nixpkgs-latest.legacyPackages.${system};
       bleedingFediverseOverlay = (
-        self: super: {
+        _: _: {
           pixelfed = pkgsLatest.pixelfed.overrideAttrs (old: {
             src = pixelfed;
             patches = (old.patches or [ ]) ++ [ ./fediversity/pixelfed-group-permissions.patch ];
diff --git a/tests/mastodon-garage.nix b/tests/mastodon-garage.nix
index b2e5574..75e269c 100644
--- a/tests/mastodon-garage.nix
+++ b/tests/mastodon-garage.nix
@@ -1,7 +1,10 @@
 { pkgs, self }:
 let
   lib = pkgs.lib;
-  rebuildableTest = import ./rebuildableTest.nix pkgs;
+
+  ## FIXME: this binding was not used, but maybe we want a side-effect or something?
+  # rebuildableTest = import ./rebuildableTest.nix pkgs;
+
   seleniumScript =
     pkgs.writers.writePython3Bin "selenium-script"
       {
diff --git a/tests/pixelfed-garage.nix b/tests/pixelfed-garage.nix
index d4b13c5..746728b 100644
--- a/tests/pixelfed-garage.nix
+++ b/tests/pixelfed-garage.nix
@@ -1,7 +1,9 @@
 { pkgs, self }:
 let
   lib = pkgs.lib;
-  rebuildableTest = import ./rebuildableTest.nix pkgs;
+
+  ## FIXME: this binding was not used but maybe we want a side effect or something?
+  # rebuildableTest = import ./rebuildableTest.nix pkgs;
 
   email = "test@test.com";
   password = "testtest";
diff --git a/vm/peertube-vm.nix b/vm/peertube-vm.nix
index c8ff9b9..9ba7c00 100644
--- a/vm/peertube-vm.nix
+++ b/vm/peertube-vm.nix
@@ -1,4 +1,5 @@
-{ pkgs, modulesPath, ... }:
+{ modulesPath, ... }:
+
 {
 
   imports = [ (modulesPath + "/virtualisation/qemu-vm.nix") ];
diff --git a/vm/pixelfed-vm.nix b/vm/pixelfed-vm.nix
index b3f6bb3..8ec156a 100644
--- a/vm/pixelfed-vm.nix
+++ b/vm/pixelfed-vm.nix
@@ -1,5 +1,4 @@
 {
-  pkgs,
   lib,
   modulesPath,
   ...
@@ -9,6 +8,7 @@ let
   inherit (lib) mkVMOverride;
 
 in
+
 {
   imports = [ (modulesPath + "/virtualisation/qemu-vm.nix") ];