diff --git a/README.md b/README.md
index a88ef4ce..8b97bae1 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,8 @@ recursive layouts.
 Disko doesn't require installation: it can be run directly from nix-community
 repository. The [Quickstart Guide](./docs/quickstart.md) documents how to run
 Disko in its simplest form when installing NixOS. Alternatively, you can also
-use the new [disko-install](./docs/disko-install.md) tool, which combines `disko` and `nixos-install` into one step.
+use the new [disko-install](./docs/disko-install.md) tool, which combines
+`disko` and `nixos-install` into one step.
 
 For information on other use cases, including upgrading from an older version of
 **disko**, using **disko** without NixOS and downloading the module, see the
diff --git a/docs/interactive-vm.md b/docs/interactive-vm.md
index c6119e51..4641f598 100644
--- a/docs/interactive-vm.md
+++ b/docs/interactive-vm.md
@@ -1,7 +1,9 @@
 # Running Interactive VMs with disko
 
-disko now exports its own flavor of interactive VMs (similiar to config.system.build.vm).
-Simply import the disko module and build the vm runner with:
+disko now exports its own flavor of interactive VMs (similiar to
+config.system.build.vm). Simply import the disko module and build the vm runner
+with:
+
 ```
 nix build -L '.#nixosConfigurations.mymachine.config.system.build.vmWithDisko'
 ```
@@ -12,7 +14,8 @@ afterwards you can run the interactive VM with:
 result/bin/disko-vm
 ```
 
-You can configure the VM using the `virtualisation.vmVariantWithDisko` NixOS option:
+You can configure the VM using the `virtualisation.vmVariantWithDisko` NixOS
+option:
 
 ```nix
 {
@@ -24,6 +27,6 @@ You can configure the VM using the `virtualisation.vmVariantWithDisko` NixOS opt
 }
 ```
 
-extraConfig that is set in disko.tests.extraConfig is also applied to the interactive VMs.
-imageSize of the VMs will be determined by the imageSize in the disk type in your disko config.
-memorySize is set by disko.memSize
+extraConfig that is set in disko.tests.extraConfig is also applied to the
+interactive VMs. imageSize of the VMs will be determined by the imageSize in the
+disk type in your disko config. memorySize is set by disko.memSize
diff --git a/lib/types/zpool.nix b/lib/types/zpool.nix
index bec7454a..24d155a0 100644
--- a/lib/types/zpool.nix
+++ b/lib/types/zpool.nix
@@ -31,7 +31,7 @@ in
           types = {
             topology =
               let
-                vdev = lib.types.submodule ({ name, ... }: {
+                vdev = lib.types.submodule ({ ... }: {
                   options = {
                     mode = lib.mkOption {
                       type = lib.types.enum modeOptions;
@@ -44,10 +44,9 @@ in
                     };
                   };
                 });
-                parent = config;
               in
               lib.types.submodule
-                ({ config, name, ... }: {
+                ({ ... }: {
                   options = {
                     type = lib.mkOption {
                       type = lib.types.enum [ "topology" ];
diff --git a/module.nix b/module.nix
index e4479101..91e59ac6 100644
--- a/module.nix
+++ b/module.nix
@@ -189,7 +189,7 @@ in
       Machine configuration to be added for the vm script available at `.system.build.vmWithDisko`.
     '';
     inherit (vmVariantWithDisko) type;
-    default = {};
+    default = { };
     visible = "shallow";
   };
 
diff --git a/package.nix b/package.nix
index e71d52f7..15db63db 100644
--- a/package.nix
+++ b/package.nix
@@ -33,4 +33,5 @@ let
       mainProgram = finalAttrs.name;
     };
   });
-in self
+in
+self
diff --git a/tests/standalone.nix b/tests/standalone.nix
index 3b6eb58d..5da5cc0f 100644
--- a/tests/standalone.nix
+++ b/tests/standalone.nix
@@ -1,6 +1,4 @@
-{ pkgs ? import <nixpkgs> { }
-, diskoLib ? pkgs.callPackage ../lib { }
-}:
+{ pkgs ? import <nixpkgs> { }, ... }:
 (pkgs.nixos [
   ../example/stand-alone/configuration.nix
   { documentation.enable = false; }