diff --git a/hosts/common/default.nix b/hosts/common/default.nix
index 8904c2b89..d7333a6d8 100644
--- a/hosts/common/default.nix
+++ b/hosts/common/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ lib, pkgs, ... }:
 {
   imports = [
     ./boot.nix
diff --git a/hosts/common/fs.nix b/hosts/common/fs.nix
index 21c41bef1..046367696 100644
--- a/hosts/common/fs.nix
+++ b/hosts/common/fs.nix
@@ -2,7 +2,7 @@
 # - x-systemd options: <https://www.freedesktop.org/software/systemd/man/systemd.mount.html>
 # - fuse options: `man mount.fuse`
 
-{ config, lib, pkgs, sane-lib, utils, ... }:
+{ config, lib, utils, ... }:
 
 let
   fsOpts = rec {
@@ -346,12 +346,6 @@ lib.mkMerge [
     # but it decreases working memory under the heaviest of loads by however much space the compressed memory occupies (e.g. 50% if 2:1; 25% if 4:1)
     zramSwap.memoryPercent = 100;
 
-    # environment.pathsToLink = [
-    #   # needed to achieve superuser access for user-mounted filesystems (see sshRoot above)
-    #   # we can only link whole directories here, even though we're only interested in pkgs.openssh
-    #   "/libexec"
-    # ];
-
     programs.fuse.userAllowOther = true;  #< necessary for `allow_other` or `allow_root` options.
   }
 
diff --git a/hosts/common/net/default.nix b/hosts/common/net/default.nix
index 15b17cd87..cc835243d 100644
--- a/hosts/common/net/default.nix
+++ b/hosts/common/net/default.nix
@@ -1,4 +1,4 @@
-{ lib, ... }:
+{ ... }:
 
 {
   imports = [
diff --git a/hosts/common/net/vpn.nix b/hosts/common/net/vpn.nix
index eff1596d9..421dbcca2 100644
--- a/hosts/common/net/vpn.nix
+++ b/hosts/common/net/vpn.nix
@@ -5,7 +5,7 @@
 # - generate config @ OVPN.com
 # - copy the Address, PublicKey, Endpoint from OVPN's config
 
-{ config, lib, pkgs, ... }:
+{ config, lib, ... }:
 let
   # N.B.: OVPN issues each key (i.e. device) a different IP (addrV4), and requires you use it.
   # the IP it issues can be used to connect to any of their VPNs.
diff --git a/hosts/common/ssh.nix b/hosts/common/ssh.nix
index 3524894c5..85ffd660c 100644
--- a/hosts/common/ssh.nix
+++ b/hosts/common/ssh.nix
@@ -1,4 +1,4 @@
-{ config, lib,  sane-lib, ... }:
+{ config, lib, ... }:
 
 let
   hostKeys = lib.mapAttrsToList
diff --git a/hosts/common/users/default.nix b/hosts/common/users/default.nix
index 031f6c462..d1b5506ab 100644
--- a/hosts/common/users/default.nix
+++ b/hosts/common/users/default.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, lib, sane-lib, ... }:
+{ pkgs, ... }:
 
 let
   libcapForPam = pkgs.libcap;
diff --git a/hosts/common/users/root.nix b/hosts/common/users/root.nix
index 994398a18..d7dbb4ab2 100644
--- a/hosts/common/users/root.nix
+++ b/hosts/common/users/root.nix
@@ -1,4 +1,4 @@
-{ config, ... }:
+{ ... }:
 {
   sane.persist.sys.byStore.ephemeral = [
     # when running commands as root, some things may create ~/.cache entries.