From f3282c8d1e0ce6ba5d9f6aeddcfad51d879c7a4a Mon Sep 17 00:00:00 2001
From: volth <volth@volth.com>
Date: Sun, 16 Jun 2019 19:59:06 +0000
Subject: treewide: remove unused variables (#63177)

* treewide: remove unused variables

* making ofborg happy
---
 pkgs/development/libraries/appstream/default.nix                 | 2 +-
 pkgs/development/libraries/arb/default.nix                       | 2 +-
 pkgs/development/libraries/aws-c-common/default.nix              | 2 +-
 pkgs/development/libraries/boehm-gc/default.nix                  | 2 +-
 pkgs/development/libraries/boost/generic.nix                     | 2 +-
 pkgs/development/libraries/catch2/default.nix                    | 2 +-
 pkgs/development/libraries/cyrus-sasl/default.nix                | 2 +-
 pkgs/development/libraries/czmq/4.x.nix                          | 2 +-
 pkgs/development/libraries/dleyna-renderer/default.nix           | 1 -
 pkgs/development/libraries/eclib/default.nix                     | 1 -
 pkgs/development/libraries/editline/default.nix                  | 2 +-
 pkgs/development/libraries/eigen/default.nix                     | 2 +-
 pkgs/development/libraries/exiv2/default.nix                     | 2 +-
 pkgs/development/libraries/flatpak/default.nix                   | 2 +-
 pkgs/development/libraries/fmt/default.nix                       | 2 +-
 pkgs/development/libraries/gdk-pixbuf/default.nix                | 2 +-
 pkgs/development/libraries/gegl/4.0.nix                          | 2 +-
 pkgs/development/libraries/glib/default.nix                      | 2 +-
 pkgs/development/libraries/gmp/5.1.x.nix                         | 2 +-
 pkgs/development/libraries/gmp/6.x.nix                           | 2 +-
 pkgs/development/libraries/gobject-introspection/default.nix     | 2 +-
 pkgs/development/libraries/gsettings-desktop-schemas/default.nix | 2 +-
 pkgs/development/libraries/gsignond/default.nix                  | 2 +-
 pkgs/development/libraries/gsignond/plugins/oauth.nix            | 2 +-
 pkgs/development/libraries/gsignond/plugins/sasl.nix             | 2 +-
 pkgs/development/libraries/gsignond/wrapper.nix                  | 2 +-
 pkgs/development/libraries/ldacbt/default.nix                    | 1 -
 pkgs/development/libraries/leptonica/default.nix                 | 2 +-
 pkgs/development/libraries/libao/default.nix                     | 2 +-
 pkgs/development/libraries/libaom/default.nix                    | 2 +-
 pkgs/development/libraries/libaosd/default.nix                   | 2 +-
 pkgs/development/libraries/libbladeRF/default.nix                | 2 +-
 pkgs/development/libraries/libcsptr/default.nix                  | 2 +-
 pkgs/development/libraries/libevent/default.nix                  | 2 +-
 pkgs/development/libraries/libfaketime/default.nix               | 2 +-
 pkgs/development/libraries/libgdamm/default.nix                  | 4 ++--
 pkgs/development/libraries/libgpg-error/default.nix              | 2 +-
 pkgs/development/libraries/libhttpseverywhere/default.nix        | 2 +-
 pkgs/development/libraries/libical/default.nix                   | 2 +-
 pkgs/development/libraries/libjpeg-turbo/default.nix             | 2 +-
 pkgs/development/libraries/libmikmod/default.nix                 | 2 +-
 pkgs/development/libraries/libndctl/default.nix                  | 2 +-
 pkgs/development/libraries/libosinfo/default.nix                 | 2 +-
 pkgs/development/libraries/libssh/default.nix                    | 2 +-
 pkgs/development/libraries/libtorrent-rasterbar/default.nix      | 2 +-
 pkgs/development/libraries/libuv/default.nix                     | 2 +-
 pkgs/development/libraries/libxml2/default.nix                   | 2 +-
 pkgs/development/libraries/linbox/default.nix                    | 1 -
 pkgs/development/libraries/mapnik/default.nix                    | 4 ++--
 pkgs/development/libraries/mtxclient/default.nix                 | 2 +-
 pkgs/development/libraries/nsss/default.nix                      | 2 +-
 pkgs/development/libraries/opencv/3.x.nix                        | 2 +-
 pkgs/development/libraries/openmpi/default.nix                   | 2 +-
 pkgs/development/libraries/openssl/default.nix                   | 2 +-
 pkgs/development/libraries/pagmo2/default.nix                    | 4 +---
 pkgs/development/libraries/pcl/default.nix                       | 2 +-
 pkgs/development/libraries/physics/geant4/g4py/default.nix       | 2 +-
 pkgs/development/libraries/pixman/default.nix                    | 2 +-
 pkgs/development/libraries/podofo/default.nix                    | 1 -
 pkgs/development/libraries/polkit/default.nix                    | 2 +-
 pkgs/development/libraries/properties-cpp/default.nix            | 4 ++--
 pkgs/development/libraries/protobuf/generic-v3.nix               | 2 +-
 pkgs/development/libraries/qpdf/default.nix                      | 2 +-
 pkgs/development/libraries/qt-5/modules/qtwebkit.nix             | 2 +-
 pkgs/development/libraries/science/biology/mirtk/default.nix     | 2 +-
 pkgs/development/libraries/science/math/liblapack/default.nix    | 3 +--
 pkgs/development/libraries/science/math/mkl/default.nix          | 2 +-
 pkgs/development/libraries/science/math/openblas/default.nix     | 2 +-
 pkgs/development/libraries/skalibs/default.nix                   | 2 +-
 pkgs/development/libraries/spice-gtk/default.nix                 | 2 --
 pkgs/development/libraries/spice/default.nix                     | 1 -
 pkgs/development/libraries/tk/generic.nix                        | 2 +-
 pkgs/development/libraries/umockdev/default.nix                  | 2 +-
 pkgs/development/libraries/utmps/default.nix                     | 2 +-
 pkgs/development/libraries/volume-key/default.nix                | 1 -
 pkgs/development/libraries/vte/2.90.nix                          | 2 +-
 pkgs/development/libraries/wlroots/default.nix                   | 2 +-
 pkgs/development/libraries/wxwidgets/3.0/default.nix             | 2 +-
 pkgs/development/libraries/wxwidgets/3.0/mac.nix                 | 2 +-
 pkgs/development/libraries/xdg-desktop-portal-gtk/default.nix    | 2 +-
 80 files changed, 75 insertions(+), 87 deletions(-)

(limited to 'pkgs/development/libraries')

diff --git a/pkgs/development/libraries/appstream/default.nix b/pkgs/development/libraries/appstream/default.nix
index f59a3fd713f..429da8de835 100644
--- a/pkgs/development/libraries/appstream/default.nix
+++ b/pkgs/development/libraries/appstream/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchpatch, fetchFromGitHub, meson, ninja, pkgconfig, gettext
+{ stdenv, fetchFromGitHub, meson, ninja, pkgconfig, gettext
 , xmlto, docbook_xsl, docbook_xml_dtd_45, libxslt
 , libstemmer, glib, xapian, libxml2, libyaml, gobject-introspection
 , pcre, itstool, gperf, vala
diff --git a/pkgs/development/libraries/arb/default.nix b/pkgs/development/libraries/arb/default.nix
index 4c34e40586f..eb58003a5f6 100644
--- a/pkgs/development/libraries/arb/default.nix
+++ b/pkgs/development/libraries/arb/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchFromGitHub, fetchpatch, mpir, gmp, mpfr, flint}:
+{stdenv, fetchFromGitHub, mpir, gmp, mpfr, flint}:
 stdenv.mkDerivation rec {
   name = "${pname}-${version}";
   pname = "arb";
diff --git a/pkgs/development/libraries/aws-c-common/default.nix b/pkgs/development/libraries/aws-c-common/default.nix
index c8f284acc13..380a5071aee 100644
--- a/pkgs/development/libraries/aws-c-common/default.nix
+++ b/pkgs/development/libraries/aws-c-common/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, libexecinfo }:
+{ lib, stdenv, fetchFromGitHub, cmake }:
 
 stdenv.mkDerivation rec {
   pname = "aws-c-common";
diff --git a/pkgs/development/libraries/boehm-gc/default.nix b/pkgs/development/libraries/boehm-gc/default.nix
index 2618d35ff79..d6ebaf3c566 100644
--- a/pkgs/development/libraries/boehm-gc/default.nix
+++ b/pkgs/development/libraries/boehm-gc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, pkgconfig, libatomic_ops
+{ lib, stdenv, fetchurl, pkgconfig, libatomic_ops
 , enableLargeConfig ? false # doc: https://github.com/ivmai/bdwgc/blob/v7.6.6/doc/README.macros#L179
 }:
 
diff --git a/pkgs/development/libraries/boost/generic.nix b/pkgs/development/libraries/boost/generic.nix
index 90dd8ff1744..f7bd189022f 100644
--- a/pkgs/development/libraries/boost/generic.nix
+++ b/pkgs/development/libraries/boost/generic.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, icu, expat, zlib, bzip2, python, fixDarwinDylibNames, libiconv
+{ stdenv, icu, expat, zlib, bzip2, python, fixDarwinDylibNames, libiconv
 , which
 , buildPackages
 , toolset ? /**/ if stdenv.cc.isClang  then "clang"
diff --git a/pkgs/development/libraries/catch2/default.nix b/pkgs/development/libraries/catch2/default.nix
index 67f5350d8fe..2d0fd4cb1bc 100644
--- a/pkgs/development/libraries/catch2/default.nix
+++ b/pkgs/development/libraries/catch2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, python }:
+{ stdenv, fetchFromGitHub, cmake }:
 
 stdenv.mkDerivation rec {
   name = "catch2-${version}";
diff --git a/pkgs/development/libraries/cyrus-sasl/default.nix b/pkgs/development/libraries/cyrus-sasl/default.nix
index 06eac4423e7..0bdaf1be955 100644
--- a/pkgs/development/libraries/cyrus-sasl/default.nix
+++ b/pkgs/development/libraries/cyrus-sasl/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, openssl, openldap, kerberos, db, gettext
-, pam, fixDarwinDylibNames, autoreconfHook, fetchpatch, enableLdap ? false
+, pam, fixDarwinDylibNames, autoreconfHook, enableLdap ? false
 , buildPackages, pruneLibtoolFiles }:
 
 with stdenv.lib;
diff --git a/pkgs/development/libraries/czmq/4.x.nix b/pkgs/development/libraries/czmq/4.x.nix
index 06801dfb7d2..13cee8fe86b 100644
--- a/pkgs/development/libraries/czmq/4.x.nix
+++ b/pkgs/development/libraries/czmq/4.x.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, zeromq }:
+{ stdenv, fetchurl, zeromq }:
 
 stdenv.mkDerivation rec {
   version = "4.2.0";
diff --git a/pkgs/development/libraries/dleyna-renderer/default.nix b/pkgs/development/libraries/dleyna-renderer/default.nix
index aae7861fef4..18244d83dee 100644
--- a/pkgs/development/libraries/dleyna-renderer/default.nix
+++ b/pkgs/development/libraries/dleyna-renderer/default.nix
@@ -1,5 +1,4 @@
 { stdenv
-, fetchurl
 , fetchFromGitHub
 , autoreconfHook
 , pkgconfig
diff --git a/pkgs/development/libraries/eclib/default.nix b/pkgs/development/libraries/eclib/default.nix
index 681062cd671..62f04e061cf 100644
--- a/pkgs/development/libraries/eclib/default.nix
+++ b/pkgs/development/libraries/eclib/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , fetchFromGitHub
-, fetchpatch
 , autoreconfHook
 , pari
 , ntl
diff --git a/pkgs/development/libraries/editline/default.nix b/pkgs/development/libraries/editline/default.nix
index e2a989f4ef2..6dfd4edd071 100644
--- a/pkgs/development/libraries/editline/default.nix
+++ b/pkgs/development/libraries/editline/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, autoreconfHook }:
+{ stdenv, fetchFromGitHub, autoreconfHook }:
 
 stdenv.mkDerivation rec {
   name = "editline-${version}";
diff --git a/pkgs/development/libraries/eigen/default.nix b/pkgs/development/libraries/eigen/default.nix
index 25d0760a32d..6aec15f976b 100644
--- a/pkgs/development/libraries/eigen/default.nix
+++ b/pkgs/development/libraries/eigen/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, fetchpatch, cmake}:
+{stdenv, fetchurl, cmake}:
 
 let
   version = "3.3.7";
diff --git a/pkgs/development/libraries/exiv2/default.nix b/pkgs/development/libraries/exiv2/default.nix
index 3f731bdf799..d3095099d3c 100644
--- a/pkgs/development/libraries/exiv2/default.nix
+++ b/pkgs/development/libraries/exiv2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchFromGitHub, fetchpatch, zlib, expat, gettext
+{ stdenv, fetchFromGitHub, zlib, expat, gettext
 , autoconf }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/flatpak/default.nix b/pkgs/development/libraries/flatpak/default.nix
index 4ea17e588a9..4c4949b37be 100644
--- a/pkgs/development/libraries/flatpak/default.nix
+++ b/pkgs/development/libraries/flatpak/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, autoreconfHook, docbook_xml_dtd_412, docbook_xml_dtd_42, docbook_xml_dtd_43, docbook_xsl, which, libxml2
 , gobject-introspection, gtk-doc, intltool, libxslt, pkgconfig, xmlto, appstream-glib, substituteAll, glibcLocales, yacc, xdg-dbus-proxy, p11-kit
-, bubblewrap, bzip2, dbus, glib, gpgme, json-glib, libarchive, libcap, libseccomp, coreutils, gettext, python2, hicolor-icon-theme
+, bubblewrap, bzip2, dbus, glib, gpgme, json-glib, libarchive, libcap, libseccomp, coreutils, gettext, hicolor-icon-theme
 , libsoup, lzma, ostree, polkit, python3, systemd, xorg, valgrind, glib-networking, wrapGAppsHook, gnome3, gsettings-desktop-schemas, librsvg }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/fmt/default.nix b/pkgs/development/libraries/fmt/default.nix
index 6974adf74ce..2cfc87d6a2e 100644
--- a/pkgs/development/libraries/fmt/default.nix
+++ b/pkgs/development/libraries/fmt/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, cmake, enableShared ? true }:
+{ stdenv, fetchFromGitHub, cmake, enableShared ? true }:
 
 stdenv.mkDerivation rec {
   version = "5.3.0";
diff --git a/pkgs/development/libraries/gdk-pixbuf/default.nix b/pkgs/development/libraries/gdk-pixbuf/default.nix
index d98d9e8107e..48c232c122b 100644
--- a/pkgs/development/libraries/gdk-pixbuf/default.nix
+++ b/pkgs/development/libraries/gdk-pixbuf/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, fixDarwinDylibNames, meson, ninja, pkgconfig, gettext, python3, libxml2, libxslt, docbook_xsl
+{ stdenv, fetchurl, fixDarwinDylibNames, meson, ninja, pkgconfig, gettext, python3, libxml2, libxslt, docbook_xsl
 , docbook_xml_dtd_43, gtk-doc, glib, libtiff, libjpeg, libpng, libX11, gnome3
 , jasper, gobject-introspection, doCheck ? false, makeWrapper }:
 
diff --git a/pkgs/development/libraries/gegl/4.0.nix b/pkgs/development/libraries/gegl/4.0.nix
index 4215f0ebc30..0e3f79b1814 100644
--- a/pkgs/development/libraries/gegl/4.0.nix
+++ b/pkgs/development/libraries/gegl/4.0.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, pkgconfig, glib, babl, libpng, cairo, libjpeg, which
 , librsvg, pango, gtk, bzip2, json-glib, gettext, autoreconfHook, libraw
-, gexiv2, libwebp, gnome3, libintl }:
+, gexiv2, libwebp, libintl }:
 
 stdenv.mkDerivation rec {
   pname = "gegl";
diff --git a/pkgs/development/libraries/glib/default.nix b/pkgs/development/libraries/glib/default.nix
index a2c7bdc5bde..4b577d36857 100644
--- a/pkgs/development/libraries/glib/default.nix
+++ b/pkgs/development/libraries/glib/default.nix
@@ -1,4 +1,4 @@
-{ config, stdenv, fetchurl, fetchpatch, gettext, meson, ninja, pkgconfig, perl, python3, glibcLocales
+{ config, stdenv, fetchurl, gettext, meson, ninja, pkgconfig, perl, python3, glibcLocales
 , libiconv, zlib, libffi, pcre, libelf, gnome3, libselinux, bash, gnum4, gtk-doc, docbook_xsl, docbook_xml_dtd_45
 # use utillinuxMinimal to avoid circular dependency (utillinux, systemd, glib)
 , utillinuxMinimal ? null
diff --git a/pkgs/development/libraries/gmp/5.1.x.nix b/pkgs/development/libraries/gmp/5.1.x.nix
index 43b8434b496..494d9acb6bb 100644
--- a/pkgs/development/libraries/gmp/5.1.x.nix
+++ b/pkgs/development/libraries/gmp/5.1.x.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, m4, cxx ? true, withStatic ? true }:
 
-let inherit (stdenv.lib) optional optionalString; in
+let inherit (stdenv.lib) optional; in
 
 let self = stdenv.mkDerivation rec {
   name = "gmp-5.1.3";
diff --git a/pkgs/development/libraries/gmp/6.x.nix b/pkgs/development/libraries/gmp/6.x.nix
index f320c303123..de31128e5a6 100644
--- a/pkgs/development/libraries/gmp/6.x.nix
+++ b/pkgs/development/libraries/gmp/6.x.nix
@@ -3,7 +3,7 @@
 , buildPackages
 , withStatic ? false }:
 
-let inherit (stdenv.lib) optional optionalString; in
+let inherit (stdenv.lib) optional; in
 
 let self = stdenv.mkDerivation rec {
   name = "gmp-6.1.2";
diff --git a/pkgs/development/libraries/gobject-introspection/default.nix b/pkgs/development/libraries/gobject-introspection/default.nix
index 26c472930ed..b1fdb916b5c 100644
--- a/pkgs/development/libraries/gobject-introspection/default.nix
+++ b/pkgs/development/libraries/gobject-introspection/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, glib, flex, bison, meson, ninja, pkgconfig, libffi, python3
-, libintl, cctools, cairo, gnome3, glibcLocales, fetchpatch
+, libintl, cctools, cairo, gnome3, glibcLocales
 , substituteAll, nixStoreDir ? builtins.storeDir
 , x11Support ? true
 }:
diff --git a/pkgs/development/libraries/gsettings-desktop-schemas/default.nix b/pkgs/development/libraries/gsettings-desktop-schemas/default.nix
index c1bdcd6956e..d454ca63fd7 100644
--- a/pkgs/development/libraries/gsettings-desktop-schemas/default.nix
+++ b/pkgs/development/libraries/gsettings-desktop-schemas/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, glib, gobject-introspection
+{ stdenv, fetchurl, pkgconfig, glib, gobject-introspection
 , meson
 , ninja
 , python3
diff --git a/pkgs/development/libraries/gsignond/default.nix b/pkgs/development/libraries/gsignond/default.nix
index a81e72bf66f..88a4ecb3622 100644
--- a/pkgs/development/libraries/gsignond/default.nix
+++ b/pkgs/development/libraries/gsignond/default.nix
@@ -61,7 +61,7 @@ unwrapped = stdenv.mkDerivation rec {
 
 in if plugins == [] then unwrapped
     else import ./wrapper.nix {
-      inherit stdenv makeWrapper symlinkJoin gsignondPlugins plugins;
+      inherit makeWrapper symlinkJoin plugins;
       gsignond = unwrapped;
     }
 
diff --git a/pkgs/development/libraries/gsignond/plugins/oauth.nix b/pkgs/development/libraries/gsignond/plugins/oauth.nix
index 6182ea283cb..887376d3187 100644
--- a/pkgs/development/libraries/gsignond/plugins/oauth.nix
+++ b/pkgs/development/libraries/gsignond/plugins/oauth.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitLab, fetchpatch, pkgconfig, meson, ninja, glib, gsignond, check
+{ stdenv, fetchFromGitLab, pkgconfig, meson, ninja, glib, gsignond, check
 , json-glib, libsoup, gnutls, gtk-doc, docbook_xml_dtd_43, docbook_xml_dtd_45
 , docbook_xsl, glibcLocales, gobject-introspection }:
 
diff --git a/pkgs/development/libraries/gsignond/plugins/sasl.nix b/pkgs/development/libraries/gsignond/plugins/sasl.nix
index d1fa37939a7..655f73931f6 100644
--- a/pkgs/development/libraries/gsignond/plugins/sasl.nix
+++ b/pkgs/development/libraries/gsignond/plugins/sasl.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitLab, fetchpatch, pkgconfig, meson, ninja, glib, gsignond, gsasl, check
+{ stdenv, fetchFromGitLab, pkgconfig, meson, ninja, glib, gsignond, gsasl, check
 , gtk-doc, docbook_xml_dtd_43, docbook_xml_dtd_45, docbook_xsl, glibcLocales, gobject-introspection }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/gsignond/wrapper.nix b/pkgs/development/libraries/gsignond/wrapper.nix
index 04463aac379..a4738e4b6a7 100644
--- a/pkgs/development/libraries/gsignond/wrapper.nix
+++ b/pkgs/development/libraries/gsignond/wrapper.nix
@@ -1,4 +1,4 @@
-{ stdenv, makeWrapper, symlinkJoin, gsignond, gsignondPlugins, plugins }:
+{ makeWrapper, symlinkJoin, gsignond, plugins }:
 
 symlinkJoin {
   name = "gsignond-with-plugins-${gsignond.version}";
diff --git a/pkgs/development/libraries/ldacbt/default.nix b/pkgs/development/libraries/ldacbt/default.nix
index 4ff58843d15..839f0a75156 100644
--- a/pkgs/development/libraries/ldacbt/default.nix
+++ b/pkgs/development/libraries/ldacbt/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , fetchFromGitHub
-, pkgconfig
 , cmake
 }:
 
diff --git a/pkgs/development/libraries/leptonica/default.nix b/pkgs/development/libraries/leptonica/default.nix
index 52d835d7a20..dd3c42e8b7f 100644
--- a/pkgs/development/libraries/leptonica/default.nix
+++ b/pkgs/development/libraries/leptonica/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, autoreconfHook, pkgconfig, which, gnuplot
+{ stdenv, fetchurl, autoreconfHook, pkgconfig, which, gnuplot
 , giflib, libjpeg, libpng, libtiff, libwebp, openjpeg, zlib
 }:
 
diff --git a/pkgs/development/libraries/libao/default.nix b/pkgs/development/libraries/libao/default.nix
index c1cf3215c16..826f72b1f5f 100644
--- a/pkgs/development/libraries/libao/default.nix
+++ b/pkgs/development/libraries/libao/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub, autoreconfHook, pkgconfig, libpulseaudio, alsaLib, libcap
-, CoreAudio, CoreServices, AudioUnit, AudioToolbox
+, CoreAudio, CoreServices, AudioUnit
 , usePulseAudio }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/libaom/default.nix b/pkgs/development/libraries/libaom/default.nix
index c7d7bfb1e82..62e0a850bad 100644
--- a/pkgs/development/libraries/libaom/default.nix
+++ b/pkgs/development/libraries/libaom/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchgit, yasm, perl, cmake, pkgconfig, python3, writeText }:
+{ stdenv, fetchgit, yasm, perl, cmake, pkgconfig, python3 }:
 
 stdenv.mkDerivation rec {
   name = "libaom-${version}";
diff --git a/pkgs/development/libraries/libaosd/default.nix b/pkgs/development/libraries/libaosd/default.nix
index e63bfd20c79..dd3320005a4 100644
--- a/pkgs/development/libraries/libaosd/default.nix
+++ b/pkgs/development/libraries/libaosd/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, pkgconfig, cairo, pango,
+{ stdenv, fetchFromGitHub, pkgconfig, cairo, pango,
   libX11, libXcomposite, autoconf, automake }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/libbladeRF/default.nix b/pkgs/development/libraries/libbladeRF/default.nix
index d908a8af85d..d22518e96d4 100644
--- a/pkgs/development/libraries/libbladeRF/default.nix
+++ b/pkgs/development/libraries/libbladeRF/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, fetchpatch, pkgconfig, cmake, git, doxygen, help2man, ncurses, tecla
+{ stdenv, lib, fetchFromGitHub, pkgconfig, cmake, git, doxygen, help2man, ncurses, tecla
 , libusb1, udev }:
 
 let
diff --git a/pkgs/development/libraries/libcsptr/default.nix b/pkgs/development/libraries/libcsptr/default.nix
index d7638dd2059..3d32f4d0b95 100644
--- a/pkgs/development/libraries/libcsptr/default.nix
+++ b/pkgs/development/libraries/libcsptr/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, git }:
+{ stdenv, fetchFromGitHub, cmake }:
 
 stdenv.mkDerivation rec {
   name = "libcsptr-${version}";
diff --git a/pkgs/development/libraries/libevent/default.nix b/pkgs/development/libraries/libevent/default.nix
index 2bc2bcb5b85..611287b9aaa 100644
--- a/pkgs/development/libraries/libevent/default.nix
+++ b/pkgs/development/libraries/libevent/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, findutils, fixDarwinDylibNames
+{ stdenv, fetchurl, findutils, fixDarwinDylibNames
 , sslSupport? true, openssl
 }:
 
diff --git a/pkgs/development/libraries/libfaketime/default.nix b/pkgs/development/libraries/libfaketime/default.nix
index 65d04cb53f1..f553afdfc70 100644
--- a/pkgs/development/libraries/libfaketime/default.nix
+++ b/pkgs/development/libraries/libfaketime/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, bash, perl }:
+{ stdenv, fetchurl, perl }:
 
 stdenv.mkDerivation rec {
   name = "libfaketime-${version}";
diff --git a/pkgs/development/libraries/libgdamm/default.nix b/pkgs/development/libraries/libgdamm/default.nix
index 4367cc5b276..f5cc5efa06a 100644
--- a/pkgs/development/libraries/libgdamm/default.nix
+++ b/pkgs/development/libraries/libgdamm/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, pkgconfig, glibmm, libgda, libxml2, gnome3
-, mysqlSupport ? false, mysql ? null
-, postgresSupport ? false, postgresql ? null }:
+, mysqlSupport ? false
+, postgresSupport ? false }:
 
 let
   gda = libgda.override {
diff --git a/pkgs/development/libraries/libgpg-error/default.nix b/pkgs/development/libraries/libgpg-error/default.nix
index dc221156f46..f3e1b8b0f99 100644
--- a/pkgs/development/libraries/libgpg-error/default.nix
+++ b/pkgs/development/libraries/libgpg-error/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchpatch, buildPackages, fetchurl, gettext
+{ stdenv, lib, buildPackages, fetchurl, gettext
 , genPosixLockObjOnly ? false
 }: let
   genPosixLockObjOnlyAttrs = lib.optionalAttrs genPosixLockObjOnly {
diff --git a/pkgs/development/libraries/libhttpseverywhere/default.nix b/pkgs/development/libraries/libhttpseverywhere/default.nix
index cf5c80c9b21..c58812eca58 100644
--- a/pkgs/development/libraries/libhttpseverywhere/default.nix
+++ b/pkgs/development/libraries/libhttpseverywhere/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, meson, ninja, makeFontsConf, vala, fetchpatch
-, gnome3, glib, json-glib, libarchive, libsoup, gobject-introspection, valadoc }:
+, gnome3, glib, json-glib, libarchive, libsoup, gobject-introspection }:
 
 let
   pname = "libhttpseverywhere";
diff --git a/pkgs/development/libraries/libical/default.nix b/pkgs/development/libraries/libical/default.nix
index 91653022052..b86a48ecd1b 100644
--- a/pkgs/development/libraries/libical/default.nix
+++ b/pkgs/development/libraries/libical/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, perl, pkgconfig, cmake, ninja, vala, gobject-introspection
-, python3, tzdata, gtk-doc, docbook_xsl, docbook_xml_dtd_43, glib, libxml2, icu }:
+, python3, tzdata, glib, libxml2, icu }:
 
 stdenv.mkDerivation rec {
   name = "libical-${version}";
diff --git a/pkgs/development/libraries/libjpeg-turbo/default.nix b/pkgs/development/libraries/libjpeg-turbo/default.nix
index 57c35ab8677..371d7b838d4 100644
--- a/pkgs/development/libraries/libjpeg-turbo/default.nix
+++ b/pkgs/development/libraries/libjpeg-turbo/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, cmake, nasm }:
+{ stdenv, fetchurl, cmake, nasm }:
 
 stdenv.mkDerivation rec {
 
diff --git a/pkgs/development/libraries/libmikmod/default.nix b/pkgs/development/libraries/libmikmod/default.nix
index ef095fd4336..284d415454d 100644
--- a/pkgs/development/libraries/libmikmod/default.nix
+++ b/pkgs/development/libraries/libmikmod/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, texinfo, alsaLib, libpulseaudio, CoreAudio }:
 
 let
-  inherit (stdenv.lib) optional optionals optionalString;
+  inherit (stdenv.lib) optional optionalString;
 
 in stdenv.mkDerivation rec {
   name = "libmikmod-3.3.11.1";
diff --git a/pkgs/development/libraries/libndctl/default.nix b/pkgs/development/libraries/libndctl/default.nix
index d9db09f1e98..222a0df055b 100644
--- a/pkgs/development/libraries/libndctl/default.nix
+++ b/pkgs/development/libraries/libndctl/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, autoreconfHook
 , asciidoctor, pkgconfig, xmlto, docbook_xsl, docbook_xml_dtd_45, libxslt
-, json_c, kmod, which, file, utillinux, systemd, keyutils
+, json_c, kmod, which, utillinux, systemd, keyutils
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/libosinfo/default.nix b/pkgs/development/libraries/libosinfo/default.nix
index 9efeb0f678e..04f0db030bb 100644
--- a/pkgs/development/libraries/libosinfo/default.nix
+++ b/pkgs/development/libraries/libosinfo/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, intltool, gobject-introspection, gtk-doc, docbook_xsl
+{ stdenv, fetchurl, pkgconfig, intltool, gobject-introspection, gtk-doc, docbook_xsl
 , glib, libsoup, libxml2, libxslt, check, curl, perl, hwdata, osinfo-db, vala ? null
 }:
 
diff --git a/pkgs/development/libraries/libssh/default.nix b/pkgs/development/libraries/libssh/default.nix
index fe7bc094fdc..65de6db3b47 100644
--- a/pkgs/development/libraries/libssh/default.nix
+++ b/pkgs/development/libraries/libssh/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, cmake, zlib, openssl, libsodium }:
+{ stdenv, fetchurl, pkgconfig, cmake, zlib, openssl, libsodium }:
 
 stdenv.mkDerivation rec {
   name = "libssh-0.8.7";
diff --git a/pkgs/development/libraries/libtorrent-rasterbar/default.nix b/pkgs/development/libraries/libtorrent-rasterbar/default.nix
index cd8192e34fb..046229e8f1d 100644
--- a/pkgs/development/libraries/libtorrent-rasterbar/default.nix
+++ b/pkgs/development/libraries/libtorrent-rasterbar/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, fetchpatch, pkgconfig, automake, autoconf
+{ stdenv, lib, fetchFromGitHub, pkgconfig, automake, autoconf
 , zlib, boost, openssl, libtool, python, libiconv, geoip, ncurses
 }:
 
diff --git a/pkgs/development/libraries/libuv/default.nix b/pkgs/development/libraries/libuv/default.nix
index e725439a3f1..f5026da4c3b 100644
--- a/pkgs/development/libraries/libuv/default.nix
+++ b/pkgs/development/libraries/libuv/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchpatch, fetchFromGitHub, autoconf, automake, libtool, pkgconfig, ApplicationServices, CoreServices }:
+{ stdenv, lib, fetchFromGitHub, autoconf, automake, libtool, pkgconfig, ApplicationServices, CoreServices }:
 
 stdenv.mkDerivation rec {
   version = "1.29.1";
diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index de131052314..33f818f7d62 100644
--- a/pkgs/development/libraries/libxml2/default.nix
+++ b/pkgs/development/libraries/libxml2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, fetchpatch
+{ stdenv, lib, fetchurl
 , zlib, xz, python2, ncurses, findXMLCatalogs
 , pythonSupport ? stdenv.buildPlatform == stdenv.hostPlatform
 , icuSupport ? false, icu ? null
diff --git a/pkgs/development/libraries/linbox/default.nix b/pkgs/development/libraries/linbox/default.nix
index 11f975187b0..500015f61c6 100644
--- a/pkgs/development/libraries/linbox/default.nix
+++ b/pkgs/development/libraries/linbox/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , fetchFromGitHub
-, fetchpatch
 , autoreconfHook
 , givaro
 , pkgconfig
diff --git a/pkgs/development/libraries/mapnik/default.nix b/pkgs/development/libraries/mapnik/default.nix
index 1424ef9e12b..3a90a4cdf33 100644
--- a/pkgs/development/libraries/mapnik/default.nix
+++ b/pkgs/development/libraries/mapnik/default.nix
@@ -1,6 +1,6 @@
-{ stdenv, fetchzip, fetchpatch
+{ stdenv, fetchzip
 , boost, cairo, freetype, gdal, harfbuzz, icu, libjpeg, libpng, libtiff
-, libwebp, libxml2, proj, python, scons, sqlite, zlib
+, libwebp, libxml2, proj, python, sqlite, zlib
 
 # supply a postgresql package to enable the PostGIS input plugin
 , postgresql ? null
diff --git a/pkgs/development/libraries/mtxclient/default.nix b/pkgs/development/libraries/mtxclient/default.nix
index 3ab1e0a7974..ca0e73078a1 100644
--- a/pkgs/development/libraries/mtxclient/default.nix
+++ b/pkgs/development/libraries/mtxclient/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, fetchpatch, cmake, pkgconfig
-, boost, openssl, zlib, libsodium, olm, gtest, spdlog, nlohmann_json }:
+, boost, openssl, zlib, libsodium, olm, nlohmann_json }:
 
 stdenv.mkDerivation rec {
   name = "mtxclient-${version}";
diff --git a/pkgs/development/libraries/nsss/default.nix b/pkgs/development/libraries/nsss/default.nix
index f503799e6b1..cd1205e2c7d 100644
--- a/pkgs/development/libraries/nsss/default.nix
+++ b/pkgs/development/libraries/nsss/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, skawarePackages }:
+{ skawarePackages }:
 
 with skawarePackages;
 
diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index b0652176c94..5e78f9f92ec 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -1,5 +1,5 @@
 { lib, stdenv
-, fetchurl, fetchFromGitHub, fetchpatch
+, fetchFromGitHub, fetchpatch
 , cmake, pkgconfig, unzip, zlib, pcre, hdf5
 , glog, boost, google-gflags, protobuf
 , config
diff --git a/pkgs/development/libraries/openmpi/default.nix b/pkgs/development/libraries/openmpi/default.nix
index 1a0e589373c..61d42e4452f 100644
--- a/pkgs/development/libraries/openmpi/default.nix
+++ b/pkgs/development/libraries/openmpi/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, gfortran, perl, libnl
+{ stdenv, fetchurl, gfortran, perl, libnl
 , rdma-core, zlib, numactl, libevent, hwloc
 
 # Enable the Sun Grid Engine bindings
diff --git a/pkgs/development/libraries/openssl/default.nix b/pkgs/development/libraries/openssl/default.nix
index ef617a92eaa..67b903970d3 100644
--- a/pkgs/development/libraries/openssl/default.nix
+++ b/pkgs/development/libraries/openssl/default.nix
@@ -7,7 +7,7 @@
 with stdenv.lib;
 
 let
-  common = args@{ version, sha256, patches ? [], withDocs ? false }: stdenv.mkDerivation rec {
+  common = { version, sha256, patches ? [], withDocs ? false }: stdenv.mkDerivation rec {
     name = "openssl-${version}";
 
     src = fetchurl {
diff --git a/pkgs/development/libraries/pagmo2/default.nix b/pkgs/development/libraries/pagmo2/default.nix
index 842fae5ea93..47c6a27639d 100644
--- a/pkgs/development/libraries/pagmo2/default.nix
+++ b/pkgs/development/libraries/pagmo2/default.nix
@@ -1,12 +1,10 @@
-{ lib
-, fetchFromGitHub
+{ fetchFromGitHub
 , stdenv
 , cmake
 , eigen
 , nlopt
 , ipopt
 , boost
-, writeText
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/pcl/default.nix b/pkgs/development/libraries/pcl/default.nix
index 08a1613c2fe..fd2b9feff68 100644
--- a/pkgs/development/libraries/pcl/default.nix
+++ b/pkgs/development/libraries/pcl/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, cmake
+{ stdenv, fetchFromGitHub, cmake
 , qhull, flann, boost, vtk, eigen, pkgconfig, qtbase
 , libusb1, libpcap, libXt, libpng, Cocoa, AGL, cf-private, OpenGL
 }:
diff --git a/pkgs/development/libraries/physics/geant4/g4py/default.nix b/pkgs/development/libraries/physics/geant4/g4py/default.nix
index f28f0fd6420..0b1f3f0490d 100644
--- a/pkgs/development/libraries/physics/geant4/g4py/default.nix
+++ b/pkgs/development/libraries/physics/geant4/g4py/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, xercesc
+{ stdenv, cmake, xercesc
 
 # The target version of Geant4
 , geant4
diff --git a/pkgs/development/libraries/pixman/default.nix b/pkgs/development/libraries/pixman/default.nix
index 2a033304b66..d3bbb867974 100644
--- a/pkgs/development/libraries/pixman/default.nix
+++ b/pkgs/development/libraries/pixman/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, libpng, glib /*just passthru*/ }:
+{ stdenv, fetchurl, pkgconfig, libpng, glib /*just passthru*/ }:
 
 stdenv.mkDerivation rec {
   name = "pixman-${version}";
diff --git a/pkgs/development/libraries/podofo/default.nix b/pkgs/development/libraries/podofo/default.nix
index ce3f5ab6b78..722c1cae872 100644
--- a/pkgs/development/libraries/podofo/default.nix
+++ b/pkgs/development/libraries/podofo/default.nix
@@ -1,6 +1,5 @@
 { stdenv, fetchurl, cmake, zlib, freetype, libjpeg, libtiff, fontconfig
 , openssl, libpng, lua5, pkgconfig, libidn, expat, fetchpatch
-, gcc5 # TODO(@Dridus) remove this at next hash break
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/polkit/default.nix b/pkgs/development/libraries/polkit/default.nix
index fb16a7fb693..b5b9f1f7fa4 100644
--- a/pkgs/development/libraries/polkit/default.nix
+++ b/pkgs/development/libraries/polkit/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, autoreconfHook, pkgconfig, glib, expat, pam, perl
+{ stdenv, fetchurl, pkgconfig, glib, expat, pam, perl
 , intltool, spidermonkey_60 , gobject-introspection, libxslt, docbook_xsl, dbus
 , docbook_xml_dtd_412, gtk-doc, coreutils
 , useSystemd ? stdenv.isLinux, systemd
diff --git a/pkgs/development/libraries/properties-cpp/default.nix b/pkgs/development/libraries/properties-cpp/default.nix
index 06444e77670..bd20dc540c0 100644
--- a/pkgs/development/libraries/properties-cpp/default.nix
+++ b/pkgs/development/libraries/properties-cpp/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, lib, fetchurl, cmake, pkgconfig, gtest, doxygen
-, graphviz, lcov, writeText }:
+{ stdenv, fetchurl, cmake, pkgconfig, gtest, doxygen
+, graphviz, lcov }:
 
 stdenv.mkDerivation rec {
   pname = "properties-cpp";
diff --git a/pkgs/development/libraries/protobuf/generic-v3.nix b/pkgs/development/libraries/protobuf/generic-v3.nix
index 883dff56f2e..610efcfef29 100644
--- a/pkgs/development/libraries/protobuf/generic-v3.nix
+++ b/pkgs/development/libraries/protobuf/generic-v3.nix
@@ -1,6 +1,6 @@
 { stdenv
 , fetchFromGitHub
-, autoreconfHook, zlib, gmock, which, buildPackages
+, autoreconfHook, zlib, gmock, buildPackages
 , version, sha256
 , ...
 }:
diff --git a/pkgs/development/libraries/qpdf/default.nix b/pkgs/development/libraries/qpdf/default.nix
index dceda3c04bd..5bccbf74965 100644
--- a/pkgs/development/libraries/qpdf/default.nix
+++ b/pkgs/development/libraries/qpdf/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, libjpeg, zlib, perl }:
+{ stdenv, fetchurl, libjpeg, zlib, perl }:
 
 let version = "8.4.2";
 in
diff --git a/pkgs/development/libraries/qt-5/modules/qtwebkit.nix b/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
index 2a474ab0ffe..40f4c56e809 100644
--- a/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
@@ -1,6 +1,6 @@
 { qtModule, stdenv, lib, fetchurl
 , qtbase, qtdeclarative, qtlocation, qtmultimedia, qtsensors, qtwebchannel
-, fontconfig, gdk_pixbuf, gtk2, libwebp, libxml2, libxslt
+, fontconfig, gtk2, libwebp, libxml2, libxslt
 , sqlite, systemd, glib, gst_all_1, cmake
 , bison2, flex, gdb, gperf, perl, pkgconfig, python2, ruby
 , darwin
diff --git a/pkgs/development/libraries/science/biology/mirtk/default.nix b/pkgs/development/libraries/science/biology/mirtk/default.nix
index 51beba898f6..22bcc56c82a 100644
--- a/pkgs/development/libraries/science/biology/mirtk/default.nix
+++ b/pkgs/development/libraries/science/biology/mirtk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, gtest, fetchFromGitHub, cmake, boost, eigen, python, vtk, zlib }:
+{ stdenv, gtest, fetchFromGitHub, cmake, boost, eigen, python, vtk, zlib }:
 
 stdenv.mkDerivation rec {
   version = "2.0.0";
diff --git a/pkgs/development/libraries/science/math/liblapack/default.nix b/pkgs/development/libraries/science/math/liblapack/default.nix
index c26e9c575ab..46538d0022e 100644
--- a/pkgs/development/libraries/science/math/liblapack/default.nix
+++ b/pkgs/development/libraries/science/math/liblapack/default.nix
@@ -7,8 +7,7 @@
   shared ? false
 }:
 let
-  usedLibExtension = if shared then ".so" else ".a";
-  inherit (stdenv.lib) optional optionals;
+  inherit (stdenv.lib) optional;
   version = "3.8.0";
 in
 
diff --git a/pkgs/development/libraries/science/math/mkl/default.nix b/pkgs/development/libraries/science/math/mkl/default.nix
index 350cfb1f7a2..2dcac58bf6c 100644
--- a/pkgs/development/libraries/science/math/mkl/default.nix
+++ b/pkgs/development/libraries/science/math/mkl/default.nix
@@ -1,4 +1,4 @@
-{ stdenvNoCC, writeText, fetchurl, rpmextract, undmg, darwin }:
+{ stdenvNoCC, fetchurl, rpmextract, undmg, darwin }:
 /*
   For details on using mkl as a blas provider for python packages such as numpy,
   numexpr, scipy, etc., see the Python section of the NixPkgs manual.
diff --git a/pkgs/development/libraries/science/math/openblas/default.nix b/pkgs/development/libraries/science/math/openblas/default.nix
index 8ec00f7e2b8..d967bbf8c3e 100644
--- a/pkgs/development/libraries/science/math/openblas/default.nix
+++ b/pkgs/development/libraries/science/math/openblas/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, gfortran, perl, which, config
+{ stdenv, fetchFromGitHub, perl, which
 # Most packages depending on openblas expect integer width to match
 # pointer width, but some expect to use 32-bit integers always
 # (for compatibility with reference BLAS).
diff --git a/pkgs/development/libraries/skalibs/default.nix b/pkgs/development/libraries/skalibs/default.nix
index e56d677e8a4..49c89e68ad2 100644
--- a/pkgs/development/libraries/skalibs/default.nix
+++ b/pkgs/development/libraries/skalibs/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, skawarePackages }:
+{ skawarePackages }:
 
 with skawarePackages;
 
diff --git a/pkgs/development/libraries/spice-gtk/default.nix b/pkgs/development/libraries/spice-gtk/default.nix
index 0169a42ed65..d597fd16ad0 100644
--- a/pkgs/development/libraries/spice-gtk/default.nix
+++ b/pkgs/development/libraries/spice-gtk/default.nix
@@ -1,14 +1,12 @@
 { stdenv
 , fetchurl
 , pkgconfig
-, fetchpatch
 , meson
 , ninja
 , python3
 , spice-protocol
 , gettext
 , openssl
-, libpulseaudio
 , pixman
 , gobject-introspection
 , libjpeg_turbo
diff --git a/pkgs/development/libraries/spice/default.nix b/pkgs/development/libraries/spice/default.nix
index 902bc6a5560..9e50a3b86b9 100644
--- a/pkgs/development/libraries/spice/default.nix
+++ b/pkgs/development/libraries/spice/default.nix
@@ -1,5 +1,4 @@
 { stdenv
-, substituteAll
 , fetchurl
 , meson
 , ninja
diff --git a/pkgs/development/libraries/tk/generic.nix b/pkgs/development/libraries/tk/generic.nix
index 6e4640fabb7..be09bb73b3a 100644
--- a/pkgs/development/libraries/tk/generic.nix
+++ b/pkgs/development/libraries/tk/generic.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, src, pkgconfig, tcl, libXft, fontconfig, patches ? []
+{ stdenv, lib, src, pkgconfig, tcl, libXft, patches ? []
 , enableAqua ? stdenv.isDarwin, darwin
 , ... }:
 
diff --git a/pkgs/development/libraries/umockdev/default.nix b/pkgs/development/libraries/umockdev/default.nix
index b6f1136ea2b..07892e97087 100644
--- a/pkgs/development/libraries/umockdev/default.nix
+++ b/pkgs/development/libraries/umockdev/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, umockdev, gobject-introspection
+{ stdenv, fetchFromGitHub, autoreconfHook, gobject-introspection
 , pkgconfig, glib, systemd, libgudev, vala }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/utmps/default.nix b/pkgs/development/libraries/utmps/default.nix
index 81562659c0d..16d4a8fa40b 100644
--- a/pkgs/development/libraries/utmps/default.nix
+++ b/pkgs/development/libraries/utmps/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, skawarePackages }:
+{ skawarePackages }:
 
 with skawarePackages;
 
diff --git a/pkgs/development/libraries/volume-key/default.nix b/pkgs/development/libraries/volume-key/default.nix
index 32f816023e5..f6669f2f8fe 100644
--- a/pkgs/development/libraries/volume-key/default.nix
+++ b/pkgs/development/libraries/volume-key/default.nix
@@ -1,7 +1,6 @@
 { stdenv, fetchgit, autoreconfHook, pkgconfig, gettext, python3
 , ncurses, swig, glib, utillinux, cryptsetup, nss, gpgme
 , autoconf, automake, libtool
-, writeShellScriptBin
 , buildPackages
 }:
 
diff --git a/pkgs/development/libraries/vte/2.90.nix b/pkgs/development/libraries/vte/2.90.nix
index 4b2b74c5e1d..f4e8c128ccb 100644
--- a/pkgs/development/libraries/vte/2.90.nix
+++ b/pkgs/development/libraries/vte/2.90.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, intltool, pkgconfig, gnome3, glib, gtk3, ncurses, gobject-introspection }:
+{ stdenv, fetchurl, intltool, pkgconfig, glib, gtk3, ncurses, gobject-introspection }:
 
 stdenv.mkDerivation rec {
   versionMajor = "0.36";
diff --git a/pkgs/development/libraries/wlroots/default.nix b/pkgs/development/libraries/wlroots/default.nix
index 47e1c37492c..5567b6595ea 100644
--- a/pkgs/development/libraries/wlroots/default.nix
+++ b/pkgs/development/libraries/wlroots/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, meson, ninja, pkgconfig
+{ stdenv, fetchFromGitHub, meson, ninja, pkgconfig
 , wayland, libGL, wayland-protocols, libinput, libxkbcommon, pixman
 , xcbutilwm, libX11, libcap, xcbutilimage, xcbutilerrors, mesa_noglu
 , libpng, ffmpeg_4
diff --git a/pkgs/development/libraries/wxwidgets/3.0/default.nix b/pkgs/development/libraries/wxwidgets/3.0/default.nix
index a89f132b832..4d95b43ff87 100644
--- a/pkgs/development/libraries/wxwidgets/3.0/default.nix
+++ b/pkgs/development/libraries/wxwidgets/3.0/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchurl, fetchpatch, pkgconfig
+{ stdenv, fetchFromGitHub, fetchurl, pkgconfig
 , gtk2, gtk3, libXinerama, libSM, libXxf86vm
 , xorgproto, gstreamer, gst-plugins-base, GConf, setfile
 , libGLSupported
diff --git a/pkgs/development/libraries/wxwidgets/3.0/mac.nix b/pkgs/development/libraries/wxwidgets/3.0/mac.nix
index 6e559cfb6a9..7a32aba24ff 100644
--- a/pkgs/development/libraries/wxwidgets/3.0/mac.nix
+++ b/pkgs/development/libraries/wxwidgets/3.0/mac.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchzip, fetchpatch, expat, libiconv, libjpeg, libpng, libtiff, zlib
+{ stdenv, fetchzip, expat, libiconv, libjpeg, libpng, libtiff, zlib
 # darwin only attributes
 , cf-private, derez, rez, setfile
 , AGL, Cocoa, Kernel
diff --git a/pkgs/development/libraries/xdg-desktop-portal-gtk/default.nix b/pkgs/development/libraries/xdg-desktop-portal-gtk/default.nix
index 780b7d630cb..b8cf86999e0 100644
--- a/pkgs/development/libraries/xdg-desktop-portal-gtk/default.nix
+++ b/pkgs/development/libraries/xdg-desktop-portal-gtk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, libxml2, xdg-desktop-portal, gtk3, glib, wrapGAppsHook, gnome3, gsettings-desktop-schemas }:
+{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, libxml2, xdg-desktop-portal, gtk3, glib, wrapGAppsHook, gsettings-desktop-schemas }:
 
 stdenv.mkDerivation rec {
   pname = "xdg-desktop-portal-gtk";
-- 
cgit 1.4.1