pkgs/*: remove unreferenced function arguments

75 files changed, 85 insertions, 93 deletions

diff --git a/pkgs/applications/networking/browsers/chromium/common.nix b/pkgs/applications/networking/browsers/chromium/common.nix
index 196e2eb79bd0..c2471d8a0eaa 100644
--- a/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/pkgs/applications/networking/browsers/chromium/common.nix
@@ -5,7 +5,7 @@
 , libevent, expat, libjpeg, snappy
 , libpng, libcap
 , xdg_utils, yasm, minizip, libwebp
-, libusb1, pciutils, nss, re2, zlib, libvpx
+, libusb1, pciutils, nss, re2, zlib
 
 , python2Packages, perl, pkgconfig
 , nspr, systemd, kerberos
@@ -14,11 +14,10 @@
 , glib, gtk2, gtk3, dbus-glib
 , libXScrnSaver, libXcursor, libXtst, libGLU_combined
 , protobuf, speechd, libXdamage, cups
-, ffmpeg, harfbuzz, harfbuzz-icu, libxslt, libxml2
+, ffmpeg, libxslt, libxml2
 
 # optional dependencies
 , libgcrypt ? null # gnomeSupport || cupsSupport
-, libexif ? null # only needed for Chromium before version 51
 
 # package customization
 , enableNaCl ? false
diff --git a/pkgs/applications/networking/browsers/falkon/default.nix b/pkgs/applications/networking/browsers/falkon/default.nix
index 9dad2df7fd0a..21631ef191c4 100644
--- a/pkgs/applications/networking/browsers/falkon/default.nix
+++ b/pkgs/applications/networking/browsers/falkon/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, lib, fetchFromGitHub, cmake, extra-cmake-modules, pkgconfig, qmake
-, libpthreadstubs, libxcb, libXdmcp, qtsvg, qttools, qtwebengine, qtx11extras, kwallet, openssl }:
+{ stdenv, fetchFromGitHub, cmake, extra-cmake-modules, pkgconfig, qmake
+, libpthreadstubs, libxcb, libXdmcp, qtsvg, qttools, qtwebengine, qtx11extras, kwallet }:
 
 stdenv.mkDerivation rec {
   name = "falkon-${version}";
diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index 50eb396d6442..336cd2556611 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -8,7 +8,7 @@
 , freetype, fontconfig, file, nspr, nss, libnotify
 , yasm, libGLU_combined, sqlite, unzip, makeWrapper
 , hunspell, libevent, libstartup_notification, libvpx
-, cairo, icu, libpng, jemalloc, glib
+, icu, libpng, jemalloc, glib
 , autoconf213, which, gnused, cargo, rustc, llvmPackages
 , debugBuild ? false
 
diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index bdb9dab4f9d2..f1d7b216120d 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -1,4 +1,4 @@
-{ lib, callPackage, stdenv, overrideCC, gcc5, fetchurl, fetchFromGitHub, fetchpatch, python3 }:
+{ lib, callPackage, stdenv, fetchurl, fetchFromGitHub, fetchpatch, python3 }:
 
 let
 
diff --git a/pkgs/applications/networking/browsers/google-chrome/default.nix b/pkgs/applications/networking/browsers/google-chrome/default.nix
index 2df2043517ae..52a2ccb292bb 100644
--- a/pkgs/applications/networking/browsers/google-chrome/default.nix
+++ b/pkgs/applications/networking/browsers/google-chrome/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, patchelf, makeWrapper
+{ stdenv, patchelf, makeWrapper
 
 # Linked dynamic libraries.
 , glib, fontconfig, freetype, pango, cairo, libX11, libXi, atk, gconf, nss, nspr
diff --git a/pkgs/applications/networking/browsers/lynx/default.nix b/pkgs/applications/networking/browsers/lynx/default.nix
index 9cdd32d2aaed..6097c0e95f0d 100644
--- a/pkgs/applications/networking/browsers/lynx/default.nix
+++ b/pkgs/applications/networking/browsers/lynx/default.nix
@@ -1,7 +1,6 @@
 { stdenv, buildPackages
 , fetchurl, pkgconfig, ncurses, gzip
 , sslSupport ? true, openssl ? null
-, buildPlatform, hostPlatform
 , nukeReferences
 }:
 
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/default.nix b/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/default.nix
index a320321ea171..a172e0e8d5d9 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/default.nix
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, rpm, cpio, libGL, xorg, cairo
+{ stdenv, fetchurl, libGL, xorg, cairo
 , libpng, gtk2, glib, gdk_pixbuf, fontconfig, freetype, curl
 , dbus-glib, alsaLib, libpulseaudio, systemd, pango
 }:
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/trezor/default.nix b/pkgs/applications/networking/browsers/mozilla-plugins/trezor/default.nix
index fb6e85ccdbba..3d4e0fc00225 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/trezor/default.nix
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/trezor/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, dpkg, zlib }:
+{ stdenv, fetchurl, dpkg }:
 
 stdenv.mkDerivation {
   name = "TREZOR-bridge-1.0.5";
diff --git a/pkgs/applications/networking/browsers/otter/default.nix b/pkgs/applications/networking/browsers/otter/default.nix
index 0a8efb3aace9..d1f50627d905 100644
--- a/pkgs/applications/networking/browsers/otter/default.nix
+++ b/pkgs/applications/networking/browsers/otter/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, cmake, openssl, gst_all_1, fetchFromGitHub
+{ stdenv, cmake, fetchFromGitHub
 , qtbase, qtmultimedia, qtwebengine
 , version ? "0.9.96"
 , sourceSha ? "1xzfy3jjx9sskwwbk7l8hnwnjf8af62p4kjkydp0ld0j50apc39p"
diff --git a/pkgs/applications/networking/browsers/vimprobable2/default.nix b/pkgs/applications/networking/browsers/vimprobable2/default.nix
index 54abc7dedff4..9de7518677de 100644
--- a/pkgs/applications/networking/browsers/vimprobable2/default.nix
+++ b/pkgs/applications/networking/browsers/vimprobable2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, makeWrapper, glib, glib-networking, gtk2, libsoup, libX11, perl,
+{ stdenv, fetchurl, makeWrapper, glib-networking, gtk2, libsoup, libX11, perl,
   pkgconfig, webkit, gsettings-desktop-schemas }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/browsers/vivaldi/default.nix b/pkgs/applications/networking/browsers/vivaldi/default.nix
index 7aba25dc339a..11264df98f13 100644
--- a/pkgs/applications/networking/browsers/vivaldi/default.nix
+++ b/pkgs/applications/networking/browsers/vivaldi/default.nix
@@ -1,8 +1,8 @@
 { stdenv, fetchurl, zlib, libX11, libXext, libSM, libICE
 , libXfixes, libXt, libXi, libXcursor, libXScrnSaver, libXcomposite, libXdamage, libXtst, libXrandr
 , alsaLib, dbus, cups, libexif, ffmpeg, systemd
-, freetype, fontconfig, libXft, libXrender, libxcb, expat, libXau, libXdmcp
-, libuuid, xz
+, freetype, fontconfig, libXft, libXrender, libxcb, expat
+, libuuid
 , gstreamer, gst-plugins-base, libxml2
 , glib, gtk3, pango, gdk_pixbuf, cairo, atk, at-spi2-atk, gnome3
 , nss, nspr
diff --git a/pkgs/applications/networking/browsers/vivaldi/ffmpeg-codecs.nix b/pkgs/applications/networking/browsers/vivaldi/ffmpeg-codecs.nix
index 11aa0ce706d6..ab2c24727d7c 100644
--- a/pkgs/applications/networking/browsers/vivaldi/ffmpeg-codecs.nix
+++ b/pkgs/applications/networking/browsers/vivaldi/ffmpeg-codecs.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch
+{ stdenv, fetchurl
 , dbus-glib, gtk2, gtk3, libexif, libpulseaudio, libXScrnSaver, ninja, nss
 , pciutils, pkgconfig, python2, xdg_utils
 }:
diff --git a/pkgs/applications/networking/cluster/habitat/default.nix b/pkgs/applications/networking/cluster/habitat/default.nix
index 1656e5a09a6b..0c210dcc535b 100644
--- a/pkgs/applications/networking/cluster/habitat/default.nix
+++ b/pkgs/applications/networking/cluster/habitat/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, rustPlatform, pkgconfig
+{ lib, fetchFromGitHub, rustPlatform, pkgconfig
 , libsodium, libarchive, openssl }:
 
 with rustPlatform;
diff --git a/pkgs/applications/networking/cluster/kompose/default.nix b/pkgs/applications/networking/cluster/kompose/default.nix
index ff0f664154aa..d6e703f79d05 100644
--- a/pkgs/applications/networking/cluster/kompose/default.nix
+++ b/pkgs/applications/networking/cluster/kompose/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildGoPackage, fetchFromGitHub }:
+{ stdenv, buildGoPackage, fetchFromGitHub }:
 
 buildGoPackage rec {
   name = "kompose-${version}";
diff --git a/pkgs/applications/networking/cluster/kops/default.nix b/pkgs/applications/networking/cluster/kops/default.nix
index a1e17f60810d..5f7a2e8e2843 100644
--- a/pkgs/applications/networking/cluster/kops/default.nix
+++ b/pkgs/applications/networking/cluster/kops/default.nix
@@ -1,5 +1,5 @@
 
-{ stdenv, lib, buildGoPackage, fetchFromGitHub, go-bindata }:
+{ stdenv, buildGoPackage, fetchFromGitHub, go-bindata }:
 
 buildGoPackage rec {
   name = "kops-${version}";
diff --git a/pkgs/applications/networking/cluster/kubernetes/default.nix b/pkgs/applications/networking/cluster/kubernetes/default.nix
index 6bd7ba3eac2c..01bf3467af95 100644
--- a/pkgs/applications/networking/cluster/kubernetes/default.nix
+++ b/pkgs/applications/networking/cluster/kubernetes/default.nix
@@ -1,5 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, fetchpatch, removeReferencesTo, which, go_1_9, go-bindata, makeWrapper, rsync
-, iptables, coreutils
+{ stdenv, lib, fetchFromGitHub, removeReferencesTo, which, go_1_9, go-bindata, makeWrapper, rsync
 , components ? [
     "cmd/kubeadm"
     "cmd/kubectl"
diff --git a/pkgs/applications/networking/cluster/mesos/default.nix b/pkgs/applications/networking/cluster/mesos/default.nix
index 961c0afc5c50..6e2089f99352 100644
--- a/pkgs/applications/networking/cluster/mesos/default.nix
+++ b/pkgs/applications/networking/cluster/mesos/default.nix
@@ -1,6 +1,6 @@
 { stdenv, lib, makeWrapper, fetchurl, curl, sasl, openssh
 , unzip, gnutar, jdk, python, wrapPython
-, setuptools, boto, pythonProtobuf, apr, subversion, gzip, systemd
+, setuptools, boto, pythonProtobuf, apr, subversion, gzip
 , leveldb, glog, perf, utillinux, libnl, iproute, openssl, libevent
 , ethtool, coreutils, which, iptables, maven
 , bash, autoreconfHook
diff --git a/pkgs/applications/networking/cluster/minikube/default.nix b/pkgs/applications/networking/cluster/minikube/default.nix
index 4c2e1b6f4c0e..b674f1f64580 100644
--- a/pkgs/applications/networking/cluster/minikube/default.nix
+++ b/pkgs/applications/networking/cluster/minikube/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, buildGoPackage, fetchFromGitHub, fetchurl, go-bindata, libvirt, qemu
-, gpgme, makeWrapper, hostPlatform, vmnet, python, pkgconfig
+{ stdenv, buildGoPackage, fetchFromGitHub, go-bindata, libvirt, qemu
+, gpgme, makeWrapper, hostPlatform, vmnet, python
 , docker-machine-kvm, docker-machine-kvm2
 , extraDrivers ? []
 }:
diff --git a/pkgs/applications/networking/cluster/openshift/default.nix b/pkgs/applications/networking/cluster/openshift/default.nix
index 6b6a2dc8986b..6f836d27357a 100644
--- a/pkgs/applications/networking/cluster/openshift/default.nix
+++ b/pkgs/applications/networking/cluster/openshift/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, lib, fetchFromGitHub, fetchpatch, removeReferencesTo, which, go_1_9, go-bindata, makeWrapper, rsync, utillinux
-, iptables, coreutils, kerberos, clang
+{ stdenv, lib, fetchFromGitHub, removeReferencesTo, which, go_1_9, go-bindata, makeWrapper, rsync, utillinux
+, coreutils, kerberos, clang
 , components ? [
   "cmd/oc"
   "cmd/openshift"
diff --git a/pkgs/applications/networking/cluster/taktuk/default.nix b/pkgs/applications/networking/cluster/taktuk/default.nix
index 1510dc575cc9..c61896d89218 100644
--- a/pkgs/applications/networking/cluster/taktuk/default.nix
+++ b/pkgs/applications/networking/cluster/taktuk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, perl , openssh}:
+{ stdenv, fetchurl, perl }:
 
 stdenv.mkDerivation rec {
   version = "3.7.7";
diff --git a/pkgs/applications/networking/cluster/terraform-provider-ibm/default.nix b/pkgs/applications/networking/cluster/terraform-provider-ibm/default.nix
index ad4edec6b4ea..fddf13795f3e 100644
--- a/pkgs/applications/networking/cluster/terraform-provider-ibm/default.nix
+++ b/pkgs/applications/networking/cluster/terraform-provider-ibm/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildGoPackage, fetchFromGitHub }:
+{ stdenv, buildGoPackage, fetchFromGitHub }:
 
 #
 # USAGE:
diff --git a/pkgs/applications/networking/cluster/terraform-provider-nixos/default.nix b/pkgs/applications/networking/cluster/terraform-provider-nixos/default.nix
index 135e5402929a..f4ad171c267e 100644
--- a/pkgs/applications/networking/cluster/terraform-provider-nixos/default.nix
+++ b/pkgs/applications/networking/cluster/terraform-provider-nixos/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildGoPackage, fetchFromGitHub }:
+{ stdenv, buildGoPackage, fetchFromGitHub }:
 buildGoPackage rec {
   name = "terraform-provider-nixos-${version}";
   version = "0.0.1";
diff --git a/pkgs/applications/networking/cluster/terraform/default.nix b/pkgs/applications/networking/cluster/terraform/default.nix
index fbcb6c8be40d..358a1f23147a 100644
--- a/pkgs/applications/networking/cluster/terraform/default.nix
+++ b/pkgs/applications/networking/cluster/terraform/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildEnv, buildGoPackage, fetchpatch, fetchFromGitHub, makeWrapper }:
+{ stdenv, lib, buildEnv, buildGoPackage, fetchFromGitHub, makeWrapper }:
 
 let
   goPackagePath = "github.com/hashicorp/terraform";
@@ -75,7 +75,7 @@ let
             });
     in withPlugins (_: []);
 
-  plugins = import ./providers { inherit stdenv lib buildGoPackage fetchFromGitHub; };
+  plugins = import ./providers { inherit lib buildGoPackage fetchFromGitHub; };
 in rec {
   terraform_0_8_5 = generic {
     version = "0.8.5";
diff --git a/pkgs/applications/networking/cluster/terraform/providers/default.nix b/pkgs/applications/networking/cluster/terraform/providers/default.nix
index 40117b458550..cf1649f7bb39 100644
--- a/pkgs/applications/networking/cluster/terraform/providers/default.nix
+++ b/pkgs/applications/networking/cluster/terraform/providers/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildGoPackage, fetchFromGitHub }:
+{ lib, buildGoPackage, fetchFromGitHub }:
 let
   list = import ./data.nix;
 
diff --git a/pkgs/applications/networking/compactor/default.nix b/pkgs/applications/networking/compactor/default.nix
index 749b94f7b7ec..d2b1a8eba367 100644
--- a/pkgs/applications/networking/compactor/default.nix
+++ b/pkgs/applications/networking/compactor/default.nix
@@ -1,4 +1,4 @@
-{ autoconf, automake, boost, cbor-diag, cddl, fetchFromGitHub, file, gcc, libpcap, libtins, libtool, lzma, openssl, pkgconfig, stdenv, tcpdump, wireshark-cli }:
+{ autoconf, automake, boost, cbor-diag, cddl, fetchFromGitHub, file, libpcap, libtins, libtool, lzma, openssl, pkgconfig, stdenv, tcpdump, wireshark-cli }:
 
 stdenv.mkDerivation rec {
   name = "compactor-${version}";
diff --git a/pkgs/applications/networking/drive/default.nix b/pkgs/applications/networking/drive/default.nix
index 826452016e73..113d6a2e5f46 100644
--- a/pkgs/applications/networking/drive/default.nix
+++ b/pkgs/applications/networking/drive/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildGoPackage, fetchFromGitHub }:
+{ lib, buildGoPackage, fetchFromGitHub }:
 
 buildGoPackage rec {
   name = "drive-${version}";
diff --git a/pkgs/applications/networking/instant-messengers/bitlbee-facebook/default.nix b/pkgs/applications/networking/instant-messengers/bitlbee-facebook/default.nix
index 9793fd234a18..aa7895ce1488 100644
--- a/pkgs/applications/networking/instant-messengers/bitlbee-facebook/default.nix
+++ b/pkgs/applications/networking/instant-messengers/bitlbee-facebook/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, fetchFromGitHub, stdenv, bitlbee, autoconf, automake, libtool, pkgconfig, glib, json-glib }:
+{ fetchFromGitHub, stdenv, bitlbee, autoconf, automake, libtool, pkgconfig, glib, json-glib }:
 
 with stdenv.lib;
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/instant-messengers/bitlbee-steam/default.nix b/pkgs/applications/networking/instant-messengers/bitlbee-steam/default.nix
index 1477d0674642..a034827c4ed4 100644
--- a/pkgs/applications/networking/instant-messengers/bitlbee-steam/default.nix
+++ b/pkgs/applications/networking/instant-messengers/bitlbee-steam/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, fetchFromGitHub, stdenv, bitlbee, autoconf, automake, libtool, pkgconfig, glib, libgcrypt }:
+{ fetchFromGitHub, stdenv, bitlbee, autoconf, automake, libtool, pkgconfig, glib, libgcrypt }:
 
 with stdenv.lib;
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/instant-messengers/bitlbee/default.nix b/pkgs/applications/networking/instant-messengers/bitlbee/default.nix
index 0b2a97b53786..2ed7fbcee3b5 100644
--- a/pkgs/applications/networking/instant-messengers/bitlbee/default.nix
+++ b/pkgs/applications/networking/instant-messengers/bitlbee/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, fetchpatch, stdenv, gnutls, glib, pkgconfig, check, libotr, python,
+{ fetchurl, stdenv, gnutls, glib, pkgconfig, check, libotr, python,
 enableLibPurple ? false, pidgin ? null }:
 
 with stdenv.lib;
diff --git a/pkgs/applications/networking/instant-messengers/ekiga/default.nix b/pkgs/applications/networking/instant-messengers/ekiga/default.nix
index 003ffbfc7d1e..f831ac0847ce 100644
--- a/pkgs/applications/networking/instant-messengers/ekiga/default.nix
+++ b/pkgs/applications/networking/instant-messengers/ekiga/default.nix
@@ -1,7 +1,7 @@
 { stdenv, glib, fetchurl, fetchpatch, cyrus_sasl, gettext, openldap, ptlib, opal, libXv, rarian, intltool
 , perl, perlXMLParser, evolution-data-server, gnome-doc-utils, avahi, autoreconfHook
 , libsigcxx, gtk, dbus-glib, libnotify, libXext, xextproto, gnome3, boost, libsecret
-, pkgconfig, libxml2, videoproto, unixODBC, db, nspr, nss, zlib, hicolor-icon-theme
+, pkgconfig, libxml2, videoproto, unixODBC, db, nspr, nss, zlib
 , libXrandr, randrproto, which, libxslt, libtasn1, gmp, nettle, sqlite, makeWrapper }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/instant-messengers/linphone/default.nix b/pkgs/applications/networking/instant-messengers/linphone/default.nix
index e0aecd2c8102..1b257ea61dce 100644
--- a/pkgs/applications/networking/instant-messengers/linphone/default.nix
+++ b/pkgs/applications/networking/instant-messengers/linphone/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, intltool, pkgconfig, readline, openldap, cyrus_sasl, libupnp
+{ stdenv, intltool, pkgconfig, readline, openldap, cyrus_sasl, libupnp
 , zlib, libxml2, gtk2, libnotify, speex, ffmpeg, libX11, libsoup, udev
 , ortp, mediastreamer, sqlite, belle-sip, libosip, libexosip, bzrtp
 , mediastreamer-openh264, bctoolbox, makeWrapper, fetchFromGitHub, cmake
diff --git a/pkgs/applications/networking/instant-messengers/mikutter/default.nix b/pkgs/applications/networking/instant-messengers/mikutter/default.nix
index 6b17eb0a8975..3c267e612a68 100644
--- a/pkgs/applications/networking/instant-messengers/mikutter/default.nix
+++ b/pkgs/applications/networking/instant-messengers/mikutter/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl
-, bundlerEnv, ruby, pkgconfig
+, bundlerEnv, ruby
 , alsaUtils, libnotify, which, wrapGAppsHook, gtk2
 }:
 
diff --git a/pkgs/applications/networking/instant-messengers/pidgin/wrapper.nix b/pkgs/applications/networking/instant-messengers/pidgin/wrapper.nix
index 914b3480a95d..095f838fe981 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin/wrapper.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin/wrapper.nix
@@ -1,4 +1,4 @@
-{ stdenv, symlinkJoin, pidgin, makeWrapper, plugins }:
+{ symlinkJoin, pidgin, makeWrapper, plugins }:
 
 let
 extraArgs = map (x: x.wrapArgs or "") plugins;
diff --git a/pkgs/applications/networking/instant-messengers/pond/default.nix b/pkgs/applications/networking/instant-messengers/pond/default.nix
index 5d463648bd8b..e7527bafcc65 100644
--- a/pkgs/applications/networking/instant-messengers/pond/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pond/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, lib, buildGoPackage, trousers, dclxvi, wrapGAppsHook, pkgconfig, gtk3, gtkspell3,
-  fetchgit, fetchhg, fetchbzr, fetchsvn }:
+{ stdenv, buildGoPackage, trousers, dclxvi, wrapGAppsHook, pkgconfig, gtk3, gtkspell3,
+  fetchgit }:
 
 let
   gui = true; # Might be implemented with nixpkgs config.
diff --git a/pkgs/applications/networking/instant-messengers/psi/default.nix b/pkgs/applications/networking/instant-messengers/psi/default.nix
index 7fabfa5f7722..37d9de8794e5 100644
--- a/pkgs/applications/networking/instant-messengers/psi/default.nix
+++ b/pkgs/applications/networking/instant-messengers/psi/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, enchant, qt4, zlib, sox, libX11, xproto, libSM
-, libICE, qca2, pkgconfig, callPackage, which, glib
+, libICE, qca2, pkgconfig, which, glib
 , libXScrnSaver, scrnsaverproto
 }:
 
diff --git a/pkgs/applications/networking/instant-messengers/ricochet/default.nix b/pkgs/applications/networking/instant-messengers/ricochet/default.nix
index c99130f28a39..a6aef5e6a2fb 100644
--- a/pkgs/applications/networking/instant-messengers/ricochet/default.nix
+++ b/pkgs/applications/networking/instant-messengers/ricochet/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, makeDesktopItem, unzip
+{ stdenv, fetchurl, pkgconfig, makeDesktopItem
 , qtbase, qttools, qtmultimedia, qtquick1, qtquickcontrols
 , openssl, protobuf, qmake
 }:
diff --git a/pkgs/applications/networking/instant-messengers/ring-daemon/default.nix b/pkgs/applications/networking/instant-messengers/ring-daemon/default.nix
index 024902a9c486..f858bb38dd19 100644
--- a/pkgs/applications/networking/instant-messengers/ring-daemon/default.nix
+++ b/pkgs/applications/networking/instant-messengers/ring-daemon/default.nix
@@ -30,7 +30,6 @@
 , openssl
 , perl
 , python3
-, bash
 , libupnp
 , speexdsp
 , fetchFromGitHub
diff --git a/pkgs/applications/networking/instant-messengers/riot/riot-web.nix b/pkgs/applications/networking/instant-messengers/riot/riot-web.nix
index dbf17d9cbdb1..37ce34f09df8 100644
--- a/pkgs/applications/networking/instant-messengers/riot/riot-web.nix
+++ b/pkgs/applications/networking/instant-messengers/riot/riot-web.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, writeText, conf ? null }:
+{ lib, stdenv, fetchurl, writeText, conf ? null }:
 
 let configFile = writeText "riot-config.json" conf; in
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/instant-messengers/slack/default.nix b/pkgs/applications/networking/instant-messengers/slack/default.nix
index 32648ee34c90..7f7245152b75 100644
--- a/pkgs/applications/networking/instant-messengers/slack/default.nix
+++ b/pkgs/applications/networking/instant-messengers/slack/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, dpkg, makeWrapper
 , alsaLib, atk, cairo, cups, curl, dbus, expat, fontconfig, freetype, glib
 , gnome3, gtk3, gdk_pixbuf, libnotify, libxcb, nspr, nss, pango
-, systemd, wget, xorg }:
+, systemd, xorg }:
 
 let
 
diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
index 9354ae728218..39d664805fa9 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
@@ -1,4 +1,4 @@
-{ qt5, stdenv }:
+{ qt5 }:
 
 let
   mkTelegram = args: qt5.callPackage (import ./generic.nix args) { };
diff --git a/pkgs/applications/networking/instant-messengers/utox/default.nix b/pkgs/applications/networking/instant-messengers/utox/default.nix
index e139904fee53..5955ecb60bd9 100644
--- a/pkgs/applications/networking/instant-messengers/utox/default.nix
+++ b/pkgs/applications/networking/instant-messengers/utox/default.nix
@@ -1,6 +1,6 @@
 { stdenv, lib, fetchFromGitHub, check, cmake, pkgconfig
 , libtoxcore, filter-audio, dbus, libvpx, libX11, openal, freetype, libv4l
-, libXrender, fontconfig, libXext, libXft, utillinux, libsodium, libopus }:
+, libXrender, fontconfig, libXext, libXft, libsodium, libopus }:
 
 stdenv.mkDerivation rec {
   name = "utox-${version}";
diff --git a/pkgs/applications/networking/instant-messengers/vacuum/default.nix b/pkgs/applications/networking/instant-messengers/vacuum/default.nix
index 9ed954cc7ec2..9d5d5c1b80fc 100644
--- a/pkgs/applications/networking/instant-messengers/vacuum/default.nix
+++ b/pkgs/applications/networking/instant-messengers/vacuum/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub
+{ stdenv, fetchFromGitHub
   , qt4, qmake4Hook, openssl
   , xproto, libX11, libXScrnSaver, scrnsaverproto
   , xz, zlib
diff --git a/pkgs/applications/networking/irc/irssi/otr/default.nix b/pkgs/applications/networking/irc/irssi/otr/default.nix
index 8d7bf677983c..add4fa632c91 100644
--- a/pkgs/applications/networking/irc/irssi/otr/default.nix
+++ b/pkgs/applications/networking/irc/irssi/otr/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchFromGitHub, libotr, automake, autoconf, libtool, glib, pkgconfig, irssi }:
+{ stdenv, fetchFromGitHub, libotr, automake, autoconf, libtool, glib, pkgconfig, irssi }:
 
 with stdenv.lib;
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/irc/weechat/default.nix b/pkgs/applications/networking/irc/weechat/default.nix
index a672fa73c4f0..dcd16c7c5b2b 100644
--- a/pkgs/applications/networking/irc/weechat/default.nix
+++ b/pkgs/applications/networking/irc/weechat/default.nix
@@ -1,8 +1,8 @@
-{ stdenv, fetchurl, fetchpatch, lib
+{ stdenv, fetchurl, lib
 , ncurses, openssl, aspell, gnutls
 , zlib, curl, pkgconfig, libgcrypt
 , cmake, makeWrapper, libobjc, libresolv, libiconv
-, writeScriptBin, symlinkJoin # for withPlugins
+, writeScriptBin # for withPlugins
 , asciidoctor # manpages
 , guileSupport ? true, guile
 , luaSupport ? true, lua5
diff --git a/pkgs/applications/networking/mailreaders/alpine/default.nix b/pkgs/applications/networking/mailreaders/alpine/default.nix
index 3b45c2fd4456..bb62014c77a4 100644
--- a/pkgs/applications/networking/mailreaders/alpine/default.nix
+++ b/pkgs/applications/networking/mailreaders/alpine/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, ncurses, tcl, openssl, pam, pkgconfig, gettext, kerberos
+{stdenv, fetchurl, ncurses, tcl, openssl, pam, kerberos
 , openldap
 }:
 
diff --git a/pkgs/applications/networking/mailreaders/mailnag/default.nix b/pkgs/applications/networking/mailreaders/mailnag/default.nix
index 75f34952394e..2b62db069bc9 100644
--- a/pkgs/applications/networking/mailreaders/mailnag/default.nix
+++ b/pkgs/applications/networking/mailreaders/mailnag/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, gettext, gtk3, pythonPackages
 , gdk_pixbuf, libnotify, gst_all_1
-, libgnome-keyring3, networkmanager
+, libgnome-keyring3
 , wrapGAppsHook, gnome3
 # otherwise passwords are stored unencrypted
 , withGnomeKeyring ? true
diff --git a/pkgs/applications/networking/mailreaders/mailpile/default.nix b/pkgs/applications/networking/mailreaders/mailpile/default.nix
index 36dc94951d5c..0f11d9a6df05 100644
--- a/pkgs/applications/networking/mailreaders/mailpile/default.nix
+++ b/pkgs/applications/networking/mailreaders/mailpile/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, python2Packages, gnupg1orig, makeWrapper, openssl, git }:
+{ stdenv, fetchFromGitHub, python2Packages, gnupg1orig, openssl, git }:
 
 python2Packages.buildPythonApplication rec {
   name = "mailpile-${version}";
diff --git a/pkgs/applications/networking/mailreaders/msgviewer/default.nix b/pkgs/applications/networking/mailreaders/msgviewer/default.nix
index 487b2799b980..6e2e8d58c676 100644
--- a/pkgs/applications/networking/mailreaders/msgviewer/default.nix
+++ b/pkgs/applications/networking/mailreaders/msgviewer/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, makeWrapper, writeScript, unzip, jre }:
+{ stdenv, fetchurl, makeWrapper, unzip, jre }:
 
 let
   version = "1.9";
diff --git a/pkgs/applications/networking/mailreaders/nylas-mail-bin/default.nix b/pkgs/applications/networking/mailreaders/nylas-mail-bin/default.nix
index 766aab39ce30..e7e199155d73 100644
--- a/pkgs/applications/networking/mailreaders/nylas-mail-bin/default.nix
+++ b/pkgs/applications/networking/mailreaders/nylas-mail-bin/default.nix
@@ -1,4 +1,4 @@
-{ dpkg, fetchurl, lib, pkgs, stdenv, config
+{ dpkg, fetchurl, lib, pkgs, stdenv
 , alsaLib
 , atk
 , cairo
@@ -13,7 +13,6 @@
 , gdk_pixbuf
 , glib
 , gnome2
-, libgcrypt
 , libgnome-keyring
 , libnotify
 , makeWrapper
diff --git a/pkgs/applications/networking/mailreaders/realpine/default.nix b/pkgs/applications/networking/mailreaders/realpine/default.nix
index 728287f8c75a..713f585d283c 100644
--- a/pkgs/applications/networking/mailreaders/realpine/default.nix
+++ b/pkgs/applications/networking/mailreaders/realpine/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, ncurses, tcl, openssl, pam, pkgconfig, gettext, kerberos
+{stdenv, fetchurl, ncurses, tcl, openssl, pam, kerberos
 , openldap
 }:
 # NOTE: Please check if any changes here are applicable to ../alpine/ as well
diff --git a/pkgs/applications/networking/mailreaders/sup/default.nix b/pkgs/applications/networking/mailreaders/sup/default.nix
index b7ac621eb6db..06777916b92a 100644
--- a/pkgs/applications/networking/mailreaders/sup/default.nix
+++ b/pkgs/applications/networking/mailreaders/sup/default.nix
@@ -1,5 +1,4 @@
-{ stdenv, lib, bundlerEnv, gpgme, ruby, ncurses, writeText, zlib, xapian
-, pkgconfig, which }:
+{ lib, bundlerEnv, ruby }:
 
 bundlerEnv {
   name = "sup-0.22.1";
diff --git a/pkgs/applications/networking/mailreaders/thunderbird/default.nix b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
index 921611644858..85c98742af38 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
@@ -3,7 +3,7 @@
 , freetype, fontconfig, file, nspr, nss, libnotify
 , yasm, libGLU_combined, sqlite, unzip
 , hunspell, libevent, libstartup_notification
-, cairo, gstreamer, gst-plugins-base, icu, libpng, jemalloc
+, icu, libpng, jemalloc
 , autoconf213, which, m4
 , writeScript, xidel, common-updater-scripts, coreutils, gnused, gnugrep, curl
 , enableGTK3 ? false, gtk3, gnome3, wrapGAppsHook, makeWrapper
diff --git a/pkgs/applications/networking/newsreaders/pan/default.nix b/pkgs/applications/networking/newsreaders/pan/default.nix
index 916bd36ba54c..4a1940ae6545 100644
--- a/pkgs/applications/networking/newsreaders/pan/default.nix
+++ b/pkgs/applications/networking/newsreaders/pan/default.nix
@@ -1,6 +1,6 @@
 { spellChecking ? true
 , stdenv, fetchurl, pkgconfig, gtk3, gtkspell3 ? null
-, perl, pcre, gmime2, gettext, intltool, itstool, libxml2, dbus-glib, libnotify, gnutls
+, perl, gmime2, gettext, intltool, itstool, libxml2, dbus-glib, libnotify, gnutls
 , makeWrapper, gnupg
 , gnomeSupport ? true, libgnome-keyring3
 }:
diff --git a/pkgs/applications/networking/owamp/default.nix b/pkgs/applications/networking/owamp/default.nix
index 293c67164835..9ed532acfe1a 100644
--- a/pkgs/applications/networking/owamp/default.nix
+++ b/pkgs/applications/networking/owamp/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, fetchFromGitHub
+{stdenv, fetchFromGitHub
 , autoconf, automake, mandoc }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/p2p/frostwire/default.nix b/pkgs/applications/networking/p2p/frostwire/default.nix
index 8cb5f768f956..7b854fce6c55 100644
--- a/pkgs/applications/networking/p2p/frostwire/default.nix
+++ b/pkgs/applications/networking/p2p/frostwire/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, gradle, perl, jre, makeWrapper, makeDesktopItem, mplayer }:
+{ stdenv, fetchFromGitHub, gradle, perl, jre, makeWrapper, makeDesktopItem, mplayer }:
 
 let
   version = "6.6.7-build-529";
diff --git a/pkgs/applications/networking/p2p/ktorrent/default.nix b/pkgs/applications/networking/p2p/ktorrent/default.nix
index 53485e95b9a6..c66c3ca05a4e 100644
--- a/pkgs/applications/networking/p2p/ktorrent/default.nix
+++ b/pkgs/applications/networking/p2p/ktorrent/default.nix
@@ -2,7 +2,7 @@
 , extra-cmake-modules, qtbase, qtscript
 , karchive, kcrash, kdnssd, ki18n, kio, knotifications, knotifyconfig
 , kdoctools, kross, kcmutils, kwindowsystem
-, libktorrent, boost, taglib, libgcrypt, kplotting
+, libktorrent, taglib, libgcrypt, kplotting
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/p2p/retroshare/default.nix b/pkgs/applications/networking/p2p/retroshare/default.nix
index 950187ed9c60..34b4780633b8 100644
--- a/pkgs/applications/networking/p2p/retroshare/default.nix
+++ b/pkgs/applications/networking/p2p/retroshare/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, libupnp, gpgme, gnome3, glib, libssh, pkgconfig, protobuf, bzip2
+{ stdenv, fetchFromGitHub, libupnp, gpgme, gnome3, glib, libssh, pkgconfig, protobuf, bzip2
 , libXScrnSaver, speex, curl, libxml2, libxslt, sqlcipher, libmicrohttpd, opencv, qmake, ffmpeg
 , qtmultimedia, qtx11extras, qttools }:
 
diff --git a/pkgs/applications/networking/p2p/soulseekqt/default.nix b/pkgs/applications/networking/p2p/soulseekqt/default.nix
index 315106ea8525..e525c564c509 100644
--- a/pkgs/applications/networking/p2p/soulseekqt/default.nix
+++ b/pkgs/applications/networking/p2p/soulseekqt/default.nix
@@ -1,8 +1,8 @@
 { stdenv
 , fetchurl
 , dbus
-, expat, zlib, fontconfig
-, libpng, libX11, libxcb, libXau, libXdmcp, freetype, libbsd
+, zlib, fontconfig
+, libX11, libxcb, libXau, libXdmcp, freetype, libbsd
 }:
 
 with stdenv.lib;
diff --git a/pkgs/applications/networking/p2p/transmission/default.nix b/pkgs/applications/networking/p2p/transmission/default.nix
index d8fc1d840d2b..d9ddf0459216 100644
--- a/pkgs/applications/networking/p2p/transmission/default.nix
+++ b/pkgs/applications/networking/p2p/transmission/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, intltool, file, wrapGAppsHook
+{ stdenv, fetchurl, pkgconfig, intltool, file, wrapGAppsHook
 , openssl, curl, libevent, inotify-tools, systemd, zlib
 , enableGTK3 ? false, gtk3
 , enableSystemd ? stdenv.isLinux
diff --git a/pkgs/applications/networking/p2p/tribler/default.nix b/pkgs/applications/networking/p2p/tribler/default.nix
index aa42af5ccbdd..1169dba188cd 100644
--- a/pkgs/applications/networking/p2p/tribler/default.nix
+++ b/pkgs/applications/networking/p2p/tribler/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pythonPackages, makeWrapper, nettools, libtorrentRasterbar, imagemagick
+{ stdenv, fetchurl, pythonPackages, makeWrapper, libtorrentRasterbar, imagemagick
 , enablePlayer ? true, vlc ? null, qt5 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/pyload/default.nix b/pkgs/applications/networking/pyload/default.nix
index c331c4f287e6..6a89731ff104 100644
--- a/pkgs/applications/networking/pyload/default.nix
+++ b/pkgs/applications/networking/pyload/default.nix
@@ -1,5 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, pythonPackages, gocr, unrar, rhino, spidermonkey
-, pkgs }:
+{ stdenv, fetchFromGitHub, fetchpatch, pythonPackages, gocr, unrar, rhino, spidermonkey }:
 
 let
   beautifulsoup = pythonPackages.callPackage ./beautifulsoup.nix {
diff --git a/pkgs/applications/networking/remote/anydesk/default.nix b/pkgs/applications/networking/remote/anydesk/default.nix
index 19e85a9711d1..0f107936be6f 100644
--- a/pkgs/applications/networking/remote/anydesk/default.nix
+++ b/pkgs/applications/networking/remote/anydesk/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchurl, autoPatchelfHook, makeWrapper, makeDesktopItem
-, atk, cairo, freetype, gdk_pixbuf, glib, gnome2, gtk2, libGLU_combined, pango, xorg
+{ stdenv, fetchurl, makeWrapper, makeDesktopItem
+, atk, cairo, gdk_pixbuf, glib, gnome2, gtk2, libGLU_combined, pango, xorg
 , lsb-release }:
 
 let
diff --git a/pkgs/applications/networking/remote/freerdp/legacy.nix b/pkgs/applications/networking/remote/freerdp/legacy.nix
index d3746fa6c7ad..9830b8465259 100644
--- a/pkgs/applications/networking/remote/freerdp/legacy.nix
+++ b/pkgs/applications/networking/remote/freerdp/legacy.nix
@@ -14,10 +14,9 @@
 , ffmpeg
 , libxkbfile
 #, xmlto, docbook_xml_dtd_412, docbook_xml_xslt
-, libXfixes
 , libXinerama
 , libXv
-, pulseaudioSupport ? true, libpulseaudio
+, pulseaudioSupport ? true
 }:
 
 assert printerSupport -> cups != null;
diff --git a/pkgs/applications/networking/remote/ssvnc/default.nix b/pkgs/applications/networking/remote/ssvnc/default.nix
index 1d1d6f4e1e3f..f20bb740615c 100644
--- a/pkgs/applications/networking/remote/ssvnc/default.nix
+++ b/pkgs/applications/networking/remote/ssvnc/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, imake, zlib, jdk, libX11, libXt, libXmu
-, libXaw, libXext, libXpm, openjpeg, openssl, tcl, tk, perl }:
+, libXaw, libXext, libXpm, openjpeg, openssl, tk, perl }:
 
 stdenv.mkDerivation rec {
   name = "ssvnc-${version}";
diff --git a/pkgs/applications/networking/remote/teamviewer/default.nix b/pkgs/applications/networking/remote/teamviewer/default.nix
index 5365228ae657..e4715cce8e18 100644
--- a/pkgs/applications/networking/remote/teamviewer/default.nix
+++ b/pkgs/applications/networking/remote/teamviewer/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, autoPatchelfHook, makeWrapper, xdg_utils, dbus, qtbase, qtwebkit, qtx11extras, qtquickcontrols, glibc, libXrandr, libX11 }:
+{ stdenv, fetchurl, autoPatchelfHook, makeWrapper, xdg_utils, dbus, qtbase, qtwebkit, qtx11extras, qtquickcontrols, glibc, libXrandr, libX11 }:
 
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/remote/xrdp/default.nix b/pkgs/applications/networking/remote/xrdp/default.nix
index 3061467c82bd..a778042c2ea2 100644
--- a/pkgs/applications/networking/remote/xrdp/default.nix
+++ b/pkgs/applications/networking/remote/xrdp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, pkgconfig, which, perl, autoconf, automake, libtool, openssl, systemd, pam, fuse, libjpeg, libopus, nasm, xorg }:
+{ stdenv, fetchFromGitHub, pkgconfig, which, perl, autoconf, automake, libtool, openssl, systemd, pam, fuse, libjpeg, libopus, nasm, xorg }:
 
 let
   xorgxrdp = stdenv.mkDerivation rec {
diff --git a/pkgs/applications/networking/seafile-client/default.nix b/pkgs/applications/networking/seafile-client/default.nix
index ea0a756e76d1..a1f1d50e5bee 100644
--- a/pkgs/applications/networking/seafile-client/default.nix
+++ b/pkgs/applications/networking/seafile-client/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, writeScript, pkgconfig, cmake, qtbase, qttools
+{ stdenv, fetchFromGitHub, pkgconfig, cmake, qtbase, qttools
 , seafile-shared, ccnet, makeWrapper
 , withShibboleth ? true, qtwebengine }:
 
diff --git a/pkgs/applications/networking/sniffers/wireshark/default.nix b/pkgs/applications/networking/sniffers/wireshark/default.nix
index ef1dade4dddd..5232704cd361 100644
--- a/pkgs/applications/networking/sniffers/wireshark/default.nix
+++ b/pkgs/applications/networking/sniffers/wireshark/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, lib, fetchurl, pkgconfig, pcre, perl, flex, bison, gettext, libpcap, libnl, c-ares
-, gnutls, libgcrypt, libgpgerror, geoip, openssl, lua5, makeDesktopItem, python, libcap, glib
+{ stdenv, fetchurl, pkgconfig, pcre, perl, flex, bison, gettext, libpcap, libnl, c-ares
+, gnutls, libgcrypt, libgpgerror, geoip, openssl, lua5, python, libcap, glib
 , libssh, zlib, cmake, extra-cmake-modules, fetchpatch, makeWrapper
 , withGtk ? false, gtk3 ? null, librsvg ? null, gsettings-desktop-schemas ? null, wrapGAppsHook ? null
 , withQt ? false, qt5 ? null
diff --git a/pkgs/applications/networking/super-productivity/default.nix b/pkgs/applications/networking/super-productivity/default.nix
index 251bef91360a..5519ba41ac7b 100644
--- a/pkgs/applications/networking/super-productivity/default.nix
+++ b/pkgs/applications/networking/super-productivity/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, dpkg, makeWrapper
 , alsaLib, atk, cairo, cups, curl, dbus, expat, fontconfig, freetype, glib
 , gnome3, gtk3, gdk_pixbuf, libnotify, libxcb, nspr, nss, pango
-, systemd, wget, xorg, xprintidle-ng }:
+, systemd, xorg, xprintidle-ng }:
 
 let
 
diff --git a/pkgs/applications/networking/sync/backintime/qt4.nix b/pkgs/applications/networking/sync/backintime/qt4.nix
index b8f388c63eb5..26288f9f6e65 100644
--- a/pkgs/applications/networking/sync/backintime/qt4.nix
+++ b/pkgs/applications/networking/sync/backintime/qt4.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, makeWrapper, gettext, pkgconfig, libtool, backintime-common, python3, python3Packages }:
+{stdenv, makeWrapper, gettext, backintime-common, python3, python3Packages }:
 
 stdenv.mkDerivation rec {
   inherit (backintime-common) version src installFlags;
diff --git a/pkgs/applications/networking/sync/casync/default.nix b/pkgs/applications/networking/sync/casync/default.nix
index 82dd3a506dee..bea6a0780ed9 100644
--- a/pkgs/applications/networking/sync/casync/default.nix
+++ b/pkgs/applications/networking/sync/casync/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch
+{ stdenv, fetchFromGitHub
 , meson, ninja, pkgconfig, sphinx
 , acl, curl, fuse, libselinux, udev, xz, zstd
 , fuseSupport ? true
diff --git a/pkgs/applications/networking/sync/rsync/base.nix b/pkgs/applications/networking/sync/rsync/base.nix
index abc1f27e4f60..fc4bc6c0671e 100644
--- a/pkgs/applications/networking/sync/rsync/base.nix
+++ b/pkgs/applications/networking/sync/rsync/base.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch }:
+{ stdenv, fetchurl }:
 
 rec {
   version = "3.1.3";
diff --git a/pkgs/applications/networking/sync/rsync/default.nix b/pkgs/applications/networking/sync/rsync/default.nix
index f1e3f6b7301c..0b4d580cd209 100644
--- a/pkgs/applications/networking/sync/rsync/default.nix
+++ b/pkgs/applications/networking/sync/rsync/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, perl, libiconv, zlib, popt
+{ stdenv, fetchurl, perl, libiconv, zlib, popt
 , enableACLs ? true, acl ? null
 , enableCopyDevicesPatch ? false
 }:
@@ -6,7 +6,7 @@
 assert enableACLs -> acl != null;
 
 let
-  base = import ./base.nix { inherit stdenv fetchurl fetchpatch; };
+  base = import ./base.nix { inherit stdenv fetchurl; };
 in
 stdenv.mkDerivation rec {
   name = "rsync-${base.version}";
diff --git a/pkgs/applications/networking/sync/rsync/rrsync.nix b/pkgs/applications/networking/sync/rsync/rrsync.nix
index bc2a6eb9c3cb..e5c04798aab8 100644
--- a/pkgs/applications/networking/sync/rsync/rrsync.nix
+++ b/pkgs/applications/networking/sync/rsync/rrsync.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, fetchpatch, perl, rsync }:
 
 let
-  base = import ./base.nix { inherit stdenv fetchurl fetchpatch; };
+  base = import ./base.nix { inherit stdenv fetchurl; };
 in
 stdenv.mkDerivation rec {
   name = "rrsync-${base.version}";
diff --git a/pkgs/applications/networking/znc/modules.nix b/pkgs/applications/networking/znc/modules.nix
index 4b68285c3f1a..a799df2d1ed0 100644
--- a/pkgs/applications/networking/znc/modules.nix
+++ b/pkgs/applications/networking/znc/modules.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchFromGitHub, znc }:
+{ stdenv, fetchFromGitHub, znc }:
 
 let
   zncDerivation = a@{