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-rw-r--r--pkgs/development/libraries/arguments/default.nix2
-rw-r--r--pkgs/development/libraries/assimp/default.nix2
-rw-r--r--pkgs/development/libraries/audio/libbass/default.nix2
-rw-r--r--pkgs/development/libraries/avro-c/default.nix2
-rw-r--r--pkgs/development/libraries/belcard/default.nix2
-rw-r--r--pkgs/development/libraries/belle-sip/default.nix2
-rw-r--r--pkgs/development/libraries/belr/default.nix2
-rw-r--r--pkgs/development/libraries/bzrtp/default.nix2
-rw-r--r--pkgs/development/libraries/caf/default.nix2
-rw-r--r--pkgs/development/libraries/cairo/default.nix2
-rw-r--r--pkgs/development/libraries/cairomm/default.nix2
-rw-r--r--pkgs/development/libraries/capstone/default.nix2
-rw-r--r--pkgs/development/libraries/cl/default.nix2
-rw-r--r--pkgs/development/libraries/clutter/default.nix2
-rw-r--r--pkgs/development/libraries/crypto++/default.nix2
-rw-r--r--pkgs/development/libraries/db/generic.nix2
-rw-r--r--pkgs/development/libraries/dbus-sharp/dbus-sharp-1.0.nix2
-rw-r--r--pkgs/development/libraries/dbus-sharp/default.nix2
-rw-r--r--pkgs/development/libraries/eclib/default.nix2
-rw-r--r--pkgs/development/libraries/expat/default.nix2
-rw-r--r--pkgs/development/libraries/faac/default.nix2
-rw-r--r--pkgs/development/libraries/ffmpeg-full/default.nix3
-rw-r--r--pkgs/development/libraries/ffmpeg-sixel/default.nix2
-rw-r--r--pkgs/development/libraries/ffmpegthumbnailer/default.nix2
-rw-r--r--pkgs/development/libraries/folly/default.nix2
-rw-r--r--pkgs/development/libraries/fontconfig/default.nix2
-rw-r--r--pkgs/development/libraries/fontconfig/make-fonts-cache.nix2
-rw-r--r--pkgs/development/libraries/frame/default.nix2
-rw-r--r--pkgs/development/libraries/freetype/default.nix3
-rw-r--r--pkgs/development/libraries/gbenchmark/default.nix2
-rw-r--r--pkgs/development/libraries/gegl/default.nix2
-rw-r--r--pkgs/development/libraries/geos/default.nix2
-rw-r--r--pkgs/development/libraries/glib/default.nix2
-rw-r--r--pkgs/development/libraries/glibc/common.nix2
-rw-r--r--pkgs/development/libraries/gnutls-kdh/generic.nix4
-rw-r--r--pkgs/development/libraries/gnutls/generic.nix2
-rw-r--r--pkgs/development/libraries/goffice/default.nix2
-rw-r--r--pkgs/development/libraries/gpgme/default.nix2
-rw-r--r--pkgs/development/libraries/gsasl/default.nix2
-rw-r--r--pkgs/development/libraries/gsl/default.nix2
-rw-r--r--pkgs/development/libraries/gstreamer/base/default.nix2
-rw-r--r--pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix2
-rw-r--r--pkgs/development/libraries/gstreamer/legacy/gst-plugins-good/default.nix4
-rw-r--r--pkgs/development/libraries/gstreamer/legacy/gst-plugins-ugly/default.nix2
-rw-r--r--pkgs/development/libraries/gstreamer/vaapi/default.nix2
-rw-r--r--pkgs/development/libraries/gtkd/default.nix2
-rw-r--r--pkgs/development/libraries/gvfs/default.nix2
-rw-r--r--pkgs/development/libraries/hunspell/dictionaries.nix1
-rw-r--r--pkgs/development/libraries/icu/base.nix2
-rw-r--r--pkgs/development/libraries/ignition-transport/generic.nix2
-rw-r--r--pkgs/development/libraries/ijs/default.nix2
-rw-r--r--pkgs/development/libraries/iso-codes/default.nix2
-rw-r--r--pkgs/development/libraries/itk/default.nix2
-rw-r--r--pkgs/development/libraries/jbig2dec/default.nix2
-rw-r--r--pkgs/development/libraries/json-glib/default.nix2
-rw-r--r--pkgs/development/libraries/kde-frameworks/kcoreaddons.nix2
-rw-r--r--pkgs/development/libraries/kde-frameworks/kdeclarative.nix2
-rw-r--r--pkgs/development/libraries/kde-frameworks/kglobalaccel.nix2
-rw-r--r--pkgs/development/libraries/kde-frameworks/kpackage/default.nix2
-rw-r--r--pkgs/development/libraries/kde-frameworks/ktexteditor.nix2
-rw-r--r--pkgs/development/libraries/keybinder3/default.nix2
-rw-r--r--pkgs/development/libraries/kpmcore/default.nix2
-rw-r--r--pkgs/development/libraries/kreport/default.nix2
-rw-r--r--pkgs/development/libraries/languagemachines/frogdata.nix2
-rw-r--r--pkgs/development/libraries/languagemachines/uctodata.nix3
-rw-r--r--pkgs/development/libraries/lensfun/default.nix2
-rw-r--r--pkgs/development/libraries/libatomic_ops/default.nix2
-rw-r--r--pkgs/development/libraries/libbdplus/default.nix2
-rw-r--r--pkgs/development/libraries/libbfd/default.nix4
-rw-r--r--pkgs/development/libraries/libchamplain/default.nix2
-rw-r--r--pkgs/development/libraries/libcollectdclient/default.nix2
-rw-r--r--pkgs/development/libraries/libdazzle/default.nix2
-rw-r--r--pkgs/development/libraries/libedit/default.nix2
-rw-r--r--pkgs/development/libraries/libewf/default.nix2
-rw-r--r--pkgs/development/libraries/libgdiplus/default.nix2
-rw-r--r--pkgs/development/libraries/libgksu/default.nix2
-rw-r--r--pkgs/development/libraries/libgphoto2/default.nix2
-rw-r--r--pkgs/development/libraries/libgpod/default.nix2
-rw-r--r--pkgs/development/libraries/libgtop/default.nix2
-rw-r--r--pkgs/development/libraries/libiberty/default.nix2
-rw-r--r--pkgs/development/libraries/libid3tag/default.nix2
-rw-r--r--pkgs/development/libraries/libidn2/default.nix2
-rw-r--r--pkgs/development/libraries/libircclient/default.nix2
-rw-r--r--pkgs/development/libraries/libjson-rpc-cpp/default.nix2
-rw-r--r--pkgs/development/libraries/libndctl/default.nix2
-rw-r--r--pkgs/development/libraries/libopcodes/default.nix2
-rw-r--r--pkgs/development/libraries/libopus/default.nix2
-rw-r--r--pkgs/development/libraries/libplist/default.nix2
-rw-r--r--pkgs/development/libraries/libpng/default.nix4
-rw-r--r--pkgs/development/libraries/libproxy/default.nix2
-rw-r--r--pkgs/development/libraries/librdf/raptor2.nix2
-rw-r--r--pkgs/development/libraries/libsecret/default.nix2
-rw-r--r--pkgs/development/libraries/libsigcxx/default.nix2
-rw-r--r--pkgs/development/libraries/libsigsegv/default.nix1
-rw-r--r--pkgs/development/libraries/libskk/default.nix2
-rw-r--r--pkgs/development/libraries/libsnark/default.nix2
-rw-r--r--pkgs/development/libraries/libtheora/default.nix2
-rw-r--r--pkgs/development/libraries/libtiff/default.nix2
-rw-r--r--pkgs/development/libraries/libunwind/default.nix2
-rw-r--r--pkgs/development/libraries/libva-utils/default.nix2
-rw-r--r--pkgs/development/libraries/libvpx/default.nix1
-rw-r--r--pkgs/development/libraries/libvpx/git.nix1
-rw-r--r--pkgs/development/libraries/libxml2/default.nix2
-rw-r--r--pkgs/development/libraries/libxslt/default.nix2
-rw-r--r--pkgs/development/libraries/libyaml-cpp/default.nix2
-rw-r--r--pkgs/development/libraries/libyaml/default.nix2
-rw-r--r--pkgs/development/libraries/linenoise-ng/default.nix2
-rw-r--r--pkgs/development/libraries/lirc/default.nix2
-rw-r--r--pkgs/development/libraries/lucene++/default.nix2
-rw-r--r--pkgs/development/libraries/mediastreamer/default.nix2
-rw-r--r--pkgs/development/libraries/mediastreamer/msopenh264.nix2
-rw-r--r--pkgs/development/libraries/mesa-darwin/default.nix6
-rw-r--r--pkgs/development/libraries/mesa/default.nix4
-rw-r--r--pkgs/development/libraries/mlt/default.nix2
-rw-r--r--pkgs/development/libraries/mono-zeroconf/default.nix2
-rw-r--r--pkgs/development/libraries/mpich2/default.nix2
-rw-r--r--pkgs/development/libraries/mpir/default.nix2
-rw-r--r--pkgs/development/libraries/neardal/default.nix2
-rw-r--r--pkgs/development/libraries/ntrack/default.nix2
-rw-r--r--pkgs/development/libraries/odpic/default.nix2
-rw-r--r--pkgs/development/libraries/opencv/3.x.nix2
-rw-r--r--pkgs/development/libraries/openexr/default.nix2
-rw-r--r--pkgs/development/libraries/openpam/default.nix2
-rw-r--r--pkgs/development/libraries/openssl/default.nix1
-rw-r--r--pkgs/development/libraries/opensubdiv/default.nix2
-rw-r--r--pkgs/development/libraries/ortp/default.nix2
-rw-r--r--pkgs/development/libraries/pango/default.nix2
-rw-r--r--pkgs/development/libraries/pcre2/default.nix2
-rw-r--r--pkgs/development/libraries/physics/herwig/default.nix2
-rw-r--r--pkgs/development/libraries/physics/mcgrid/default.nix2
-rw-r--r--pkgs/development/libraries/physics/nlojet/default.nix2
-rw-r--r--pkgs/development/libraries/physics/yoda/default.nix2
-rw-r--r--pkgs/development/libraries/postgis/default.nix2
-rw-r--r--pkgs/development/libraries/protobuf/generic.nix2
-rw-r--r--pkgs/development/libraries/qimageblitz/default.nix2
-rw-r--r--pkgs/development/libraries/qt-4.x/4.8/default.nix4
-rw-r--r--pkgs/development/libraries/qt-5/5.11/default.nix2
-rw-r--r--pkgs/development/libraries/qt-5/5.6/default.nix2
-rw-r--r--pkgs/development/libraries/qt-5/5.9/default.nix2
-rw-r--r--pkgs/development/libraries/qt-5/modules/qtbase.nix6
-rw-r--r--pkgs/development/libraries/qt-5/modules/qtmultimedia.nix1
-rw-r--r--pkgs/development/libraries/qt-5/modules/qtserialport.nix2
-rw-r--r--pkgs/development/libraries/qt-5/modules/qtwebkit.nix1
-rw-r--r--pkgs/development/libraries/qt-5/qt-env.nix2
-rw-r--r--pkgs/development/libraries/qtstyleplugins/default.nix2
-rw-r--r--pkgs/development/libraries/quazip/default.nix2
-rw-r--r--pkgs/development/libraries/quickder/default.nix2
-rw-r--r--pkgs/development/libraries/rocksdb/default.nix1
-rw-r--r--pkgs/development/libraries/science/math/arpack/default.nix2
-rw-r--r--pkgs/development/libraries/science/math/caffe2/default.nix2
-rw-r--r--pkgs/development/libraries/science/math/openblas/default.nix2
-rw-r--r--pkgs/development/libraries/science/networking/ns3/default.nix2
-rw-r--r--pkgs/development/libraries/serf/default.nix2
-rw-r--r--pkgs/development/libraries/smpeg2/default.nix2
-rw-r--r--pkgs/development/libraries/speech-tools/default.nix2
-rw-r--r--pkgs/development/libraries/spice/default.nix2
-rw-r--r--pkgs/development/libraries/tachyon/default.nix1
-rw-r--r--pkgs/development/libraries/ti-rpc/default.nix2
-rw-r--r--pkgs/development/libraries/unicorn-emu/default.nix2
-rw-r--r--pkgs/development/libraries/v8/3.14.nix2
-rw-r--r--pkgs/development/libraries/vigra/default.nix2
-rw-r--r--pkgs/development/libraries/vtk/default.nix2
-rw-r--r--pkgs/development/libraries/wavpack/default.nix2
-rw-r--r--pkgs/development/libraries/wayland/1.9.nix2
-rw-r--r--pkgs/development/libraries/wayland/default.nix2
-rw-r--r--pkgs/development/libraries/wlc/default.nix2
-rw-r--r--pkgs/development/libraries/xcb-util-cursor/HEAD.nix2
-rw-r--r--pkgs/development/libraries/xgboost/default.nix1
-rw-r--r--pkgs/development/libraries/xine-lib/default.nix2
169 files changed, 165 insertions, 186 deletions
diff --git a/pkgs/development/libraries/arguments/default.nix b/pkgs/development/libraries/arguments/default.nix
index 912ea53c3d3a..60fafd60ad0b 100644
--- a/pkgs/development/libraries/arguments/default.nix
+++ b/pkgs/development/libraries/arguments/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, libminc, bicpl }:
+{ stdenv, fetchFromGitHub, cmake }:
 
 stdenv.mkDerivation rec {
   pname = "arguments";
diff --git a/pkgs/development/libraries/assimp/default.nix b/pkgs/development/libraries/assimp/default.nix
index 219c8df803b7..24e06b0d65a9 100644
--- a/pkgs/development/libraries/assimp/default.nix
+++ b/pkgs/development/libraries/assimp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, unzip, cmake, boost, zlib }:
+{ stdenv, fetchFromGitHub, cmake, boost, zlib }:
 
 stdenv.mkDerivation rec {
   name = "assimp-${version}";
diff --git a/pkgs/development/libraries/audio/libbass/default.nix b/pkgs/development/libraries/audio/libbass/default.nix
index 703679ba3a55..ec93e2f64671 100644
--- a/pkgs/development/libraries/audio/libbass/default.nix
+++ b/pkgs/development/libraries/audio/libbass/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, unzip, fetchurl, writeText }:
+{ stdenv, unzip, fetchurl }:
 
 let
   version = "24";
diff --git a/pkgs/development/libraries/avro-c/default.nix b/pkgs/development/libraries/avro-c/default.nix
index 8b787855c4de..580cd1bd73f5 100644
--- a/pkgs/development/libraries/avro-c/default.nix
+++ b/pkgs/development/libraries/avro-c/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, bash, cmake, fetchurl, pkgconfig, jansson, zlib }:
+{ stdenv, cmake, fetchurl, pkgconfig, jansson, zlib }:
 
 let
   version = "1.8.2";
diff --git a/pkgs/development/libraries/belcard/default.nix b/pkgs/development/libraries/belcard/default.nix
index 8805dc74a26c..093bb811489f 100644
--- a/pkgs/development/libraries/belcard/default.nix
+++ b/pkgs/development/libraries/belcard/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, fetchFromGitHub, bctoolbox, belr }:
+{ stdenv, cmake, fetchFromGitHub, bctoolbox, belr }:
 
 stdenv.mkDerivation rec {
   baseName = "belcard";
diff --git a/pkgs/development/libraries/belle-sip/default.nix b/pkgs/development/libraries/belle-sip/default.nix
index 003fce0ea8c3..09ca4908d789 100644
--- a/pkgs/development/libraries/belle-sip/default.nix
+++ b/pkgs/development/libraries/belle-sip/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, antlr3_4, libantlr3c, jre, polarssl, fetchFromGitHub
+{ stdenv, antlr3_4, libantlr3c, jre, polarssl, fetchFromGitHub
   , cmake, zlib, bctoolbox
 }:
 
diff --git a/pkgs/development/libraries/belr/default.nix b/pkgs/development/libraries/belr/default.nix
index 214abb21f2cd..736c9a2f9e0c 100644
--- a/pkgs/development/libraries/belr/default.nix
+++ b/pkgs/development/libraries/belr/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, fetchFromGitHub, bctoolbox }:
+{ stdenv, cmake, fetchFromGitHub, bctoolbox }:
 
 stdenv.mkDerivation rec {
   baseName = "belr";
diff --git a/pkgs/development/libraries/bzrtp/default.nix b/pkgs/development/libraries/bzrtp/default.nix
index cdc660ca3f32..11b94a0181a1 100644
--- a/pkgs/development/libraries/bzrtp/default.nix
+++ b/pkgs/development/libraries/bzrtp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, fetchFromGitHub, bctoolbox, sqlite }:
+{ stdenv, cmake, fetchFromGitHub, bctoolbox, sqlite }:
 
 stdenv.mkDerivation rec {
   baseName = "bzrtp";
diff --git a/pkgs/development/libraries/caf/default.nix b/pkgs/development/libraries/caf/default.nix
index 1e764aff4cc1..397e80961e06 100644
--- a/pkgs/development/libraries/caf/default.nix
+++ b/pkgs/development/libraries/caf/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, cmake }:
+{ stdenv, fetchFromGitHub, cmake }:
 
 stdenv.mkDerivation rec {
   name = "actor-framework-${version}";
diff --git a/pkgs/development/libraries/cairo/default.nix b/pkgs/development/libraries/cairo/default.nix
index 4486149cfcef..db46412ceb55 100644
--- a/pkgs/development/libraries/cairo/default.nix
+++ b/pkgs/development/libraries/cairo/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchFromGitHub, fetchpatch, pkgconfig, libiconv
+{ stdenv, fetchurl, pkgconfig, libiconv
 , libintl, expat, zlib, libpng, pixman, fontconfig, freetype, xorg
 , gobjectSupport ? true, glib
 , xcbSupport ? true # no longer experimental since 1.12
diff --git a/pkgs/development/libraries/cairomm/default.nix b/pkgs/development/libraries/cairomm/default.nix
index 47250f2b3da2..a4e4968f562f 100644
--- a/pkgs/development/libraries/cairomm/default.nix
+++ b/pkgs/development/libraries/cairomm/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, darwin, cairo, xlibsWrapper, fontconfig, freetype, libsigcxx }:
+{ fetchurl, stdenv, pkgconfig, darwin, cairo, fontconfig, freetype, libsigcxx }:
 let
   ver_maj = "1.12";
   ver_min = "2";
diff --git a/pkgs/development/libraries/capstone/default.nix b/pkgs/development/libraries/capstone/default.nix
index 64e3690eb3e6..0fc0dfb07066 100644
--- a/pkgs/development/libraries/capstone/default.nix
+++ b/pkgs/development/libraries/capstone/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, bash, pkgconfig }:
+{ stdenv, fetchurl, pkgconfig }:
 
 stdenv.mkDerivation rec {
   name    = "capstone-${version}";
diff --git a/pkgs/development/libraries/cl/default.nix b/pkgs/development/libraries/cl/default.nix
index 7c44c2e0ab0c..7cb75d8de0f3 100644
--- a/pkgs/development/libraries/cl/default.nix
+++ b/pkgs/development/libraries/cl/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchFromGitHub, SDL, libGLU_combined, rebar, erlang, opencl-headers, ocl-icd }:
+{stdenv, fetchFromGitHub, rebar, erlang, opencl-headers, ocl-icd }:
 
 stdenv.mkDerivation rec {
   version = "1.2.3";
diff --git a/pkgs/development/libraries/clutter/default.nix b/pkgs/development/libraries/clutter/default.nix
index eba94288e8fe..705aa7252d1f 100644
--- a/pkgs/development/libraries/clutter/default.nix
+++ b/pkgs/development/libraries/clutter/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, glib, pkgconfig, libGLU_combined, libX11, libXext, libXfixes
+{ stdenv, fetchurl, pkgconfig, libGLU_combined, libX11, libXext, libXfixes
 , libXdamage, libXcomposite, libXi, libxcb, cogl, pango, atk, json-glib,
 gobjectIntrospection, gtk3, gnome3
 }:
diff --git a/pkgs/development/libraries/crypto++/default.nix b/pkgs/development/libraries/crypto++/default.nix
index c1bf789c59bd..ba5b2aa43718 100644
--- a/pkgs/development/libraries/crypto++/default.nix
+++ b/pkgs/development/libraries/crypto++/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, fetchFromGitHub, stdenv }:
+{ fetchFromGitHub, stdenv }:
 
 stdenv.mkDerivation rec {
   name = "crypto++-${version}";
diff --git a/pkgs/development/libraries/db/generic.nix b/pkgs/development/libraries/db/generic.nix
index fb1292181756..c3ca9aa442bd 100644
--- a/pkgs/development/libraries/db/generic.nix
+++ b/pkgs/development/libraries/db/generic.nix
@@ -5,7 +5,7 @@
 
 # Options from inherited versions
 , version, sha256
-, patchSrc ? "src", extraPatches ? [ ]
+, extraPatches ? [ ]
 , license ? stdenv.lib.licenses.sleepycat
 , drvArgs ? {}
 }:
diff --git a/pkgs/development/libraries/dbus-sharp/dbus-sharp-1.0.nix b/pkgs/development/libraries/dbus-sharp/dbus-sharp-1.0.nix
index c17a140b9c57..013913e52972 100644
--- a/pkgs/development/libraries/dbus-sharp/dbus-sharp-1.0.nix
+++ b/pkgs/development/libraries/dbus-sharp/dbus-sharp-1.0.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchFromGitHub, pkgconfig, dbus, mono, autoreconfHook }:
+{stdenv, fetchFromGitHub, pkgconfig, mono, autoreconfHook }:
 
 stdenv.mkDerivation rec {
   name = "dbus-sharp-${version}";
diff --git a/pkgs/development/libraries/dbus-sharp/default.nix b/pkgs/development/libraries/dbus-sharp/default.nix
index ea7d920dc828..40c633dda523 100644
--- a/pkgs/development/libraries/dbus-sharp/default.nix
+++ b/pkgs/development/libraries/dbus-sharp/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchFromGitHub, pkgconfig, dbus, mono, autoreconfHook }:
+{stdenv, fetchFromGitHub, pkgconfig, mono, autoreconfHook }:
 
 stdenv.mkDerivation rec {
   name = "dbus-sharp-${version}";
diff --git a/pkgs/development/libraries/eclib/default.nix b/pkgs/development/libraries/eclib/default.nix
index e4d1fa2073fa..62014489f30c 100644
--- a/pkgs/development/libraries/eclib/default.nix
+++ b/pkgs/development/libraries/eclib/default.nix
@@ -2,8 +2,6 @@
 , fetchFromGitHub
 , fetchpatch
 , autoreconfHook
-, libtool
-, gettext
 , pari
 , ntl
 , gmp
diff --git a/pkgs/development/libraries/expat/default.nix b/pkgs/development/libraries/expat/default.nix
index e341ce842eb6..79b29a90463e 100644
--- a/pkgs/development/libraries/expat/default.nix
+++ b/pkgs/development/libraries/expat/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchpatch, fetchurl }:
+{ stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
   name = "expat-2.2.5";
diff --git a/pkgs/development/libraries/faac/default.nix b/pkgs/development/libraries/faac/default.nix
index 516968861482..04d085bde73c 100644
--- a/pkgs/development/libraries/faac/default.nix
+++ b/pkgs/development/libraries/faac/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, autoreconfHook
+{ stdenv, fetchurl, autoreconfHook
 , mp4v2Support ? true, mp4v2 ? null
 , drmSupport ? false # Digital Radio Mondiale
 }:
diff --git a/pkgs/development/libraries/ffmpeg-full/default.nix b/pkgs/development/libraries/ffmpeg-full/default.nix
index c5ce5e252fac..34c649022cf5 100644
--- a/pkgs/development/libraries/ffmpeg-full/default.nix
+++ b/pkgs/development/libraries/ffmpeg-full/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, perl, texinfo, yasm
+{ stdenv, fetchurl, pkgconfig, perl, texinfo, yasm
 , hostPlatform
 /*
  *  Licensing options (yes some are listed twice, filters and such are not listed)
@@ -80,7 +80,6 @@
 #, libnut ? null # NUT (de)muxer, native (de)muser exists
 , libogg ? null # Ogg container used by vorbis & theora
 , libopus ? null # Opus de/encoder
-, libsndio ? null # sndio playback/record support
 , libssh ? null # SFTP protocol
 , libtheora ? null # Theora encoder
 , libv4l ? null # Video 4 Linux support
diff --git a/pkgs/development/libraries/ffmpeg-sixel/default.nix b/pkgs/development/libraries/ffmpeg-sixel/default.nix
index a3ce9ea9c2bf..4607d3e2f197 100644
--- a/pkgs/development/libraries/ffmpeg-sixel/default.nix
+++ b/pkgs/development/libraries/ffmpeg-sixel/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, pkgconfig, perl, libsixel, yasm
+{ stdenv, fetchFromGitHub, pkgconfig, libsixel, yasm
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/ffmpegthumbnailer/default.nix b/pkgs/development/libraries/ffmpegthumbnailer/default.nix
index 9e76c1e64001..a1cc11fb8c1e 100644
--- a/pkgs/development/libraries/ffmpegthumbnailer/default.nix
+++ b/pkgs/development/libraries/ffmpegthumbnailer/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, fetchFromGitHub, stdenv, ffmpeg, cmake, libpng, pkgconfig, libjpeg
+{ fetchFromGitHub, stdenv, ffmpeg, cmake, libpng, pkgconfig, libjpeg
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/folly/default.nix b/pkgs/development/libraries/folly/default.nix
index ccf2d6d05855..2b6a949c2326 100644
--- a/pkgs/development/libraries/folly/default.nix
+++ b/pkgs/development/libraries/folly/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, autoreconfHook, pkgconfig, boost, libevent
+{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, boost, libevent
 , double-conversion, glog, google-gflags, python, libiberty, openssl }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/fontconfig/default.nix b/pkgs/development/libraries/fontconfig/default.nix
index c2d99446d81b..01c4140f3b5c 100644
--- a/pkgs/development/libraries/fontconfig/default.nix
+++ b/pkgs/development/libraries/fontconfig/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, substituteAll, fetchurl, fetchpatch
+{ stdenv, substituteAll, fetchurl
 , pkgconfig, freetype, expat, libxslt, gperf, dejavu_fonts
 , hostPlatform
 }:
diff --git a/pkgs/development/libraries/fontconfig/make-fonts-cache.nix b/pkgs/development/libraries/fontconfig/make-fonts-cache.nix
index 8b534edd2498..76e89b97617e 100644
--- a/pkgs/development/libraries/fontconfig/make-fonts-cache.nix
+++ b/pkgs/development/libraries/fontconfig/make-fonts-cache.nix
@@ -1,4 +1,4 @@
-{ runCommand, lib, writeText, fontconfig, fontDirectories }:
+{ runCommand, lib, fontconfig, fontDirectories }:
 
 runCommand "fc-cache"
   rec {
diff --git a/pkgs/development/libraries/frame/default.nix b/pkgs/development/libraries/frame/default.nix
index 2f5374851d82..e15626a160e2 100644
--- a/pkgs/development/libraries/frame/default.nix
+++ b/pkgs/development/libraries/frame/default.nix
@@ -1,5 +1,5 @@
 { enableX11 ? true
-,  stdenv, fetchurl, pkgconfig, xorg, xorgserver, xinput }:
+,  stdenv, fetchurl, pkgconfig, xorg }:
 
 stdenv.mkDerivation rec {
   name = "frame-${version}";
diff --git a/pkgs/development/libraries/freetype/default.nix b/pkgs/development/libraries/freetype/default.nix
index 23aa86af377c..c678b46c0d21 100644
--- a/pkgs/development/libraries/freetype/default.nix
+++ b/pkgs/development/libraries/freetype/default.nix
@@ -1,5 +1,4 @@
-{ stdenv, lib, fetchurl, copyPathsToStore
-, hostPlatform
+{ stdenv, fetchurl
 , pkgconfig, which, makeWrapper
 , zlib, bzip2, libpng, gnumake, glib
 
diff --git a/pkgs/development/libraries/gbenchmark/default.nix b/pkgs/development/libraries/gbenchmark/default.nix
index 6745bc1ecf5f..d700c3d3c160 100644
--- a/pkgs/development/libraries/gbenchmark/default.nix
+++ b/pkgs/development/libraries/gbenchmark/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, callPackage, fetchFromGitHub, cmake }:
+{ stdenv, fetchFromGitHub, cmake }:
 
 stdenv.mkDerivation rec {
   name = "gbenchmark-${version}";
diff --git a/pkgs/development/libraries/gegl/default.nix b/pkgs/development/libraries/gegl/default.nix
index d2987be6a3d5..ccfa7e536111 100644
--- a/pkgs/development/libraries/gegl/default.nix
+++ b/pkgs/development/libraries/gegl/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, babl, libpng, cairo, libjpeg
+{ stdenv, fetchurl, pkgconfig, babl, libpng, cairo, libjpeg
 , librsvg, pango, gtk2, bzip2, intltool, libintl
 , OpenGL ? null }:
 
diff --git a/pkgs/development/libraries/geos/default.nix b/pkgs/development/libraries/geos/default.nix
index b92f6e61f56a..83030a7a0142 100644
--- a/pkgs/development/libraries/geos/default.nix
+++ b/pkgs/development/libraries/geos/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, python }:
+{ stdenv, fetchurl, python }:
 
 stdenv.mkDerivation rec {
   name = "geos-3.6.2";
diff --git a/pkgs/development/libraries/glib/default.nix b/pkgs/development/libraries/glib/default.nix
index fd6e0a65abce..8a07a9f9f227 100644
--- a/pkgs/development/libraries/glib/default.nix
+++ b/pkgs/development/libraries/glib/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, hostPlatform, fetchurl, gettext, pkgconfig, perl, python
+{ stdenv, fetchurl, gettext, pkgconfig, perl, python
 , libiconv, zlib, libffi, pcre, libelf, gnome3
 # use utillinuxMinimal to avoid circular dependency (utillinux, systemd, glib)
 , utillinuxMinimal ? null
diff --git a/pkgs/development/libraries/glibc/common.nix b/pkgs/development/libraries/glibc/common.nix
index 5c504d0d8e25..8b4a213aae05 100644
--- a/pkgs/development/libraries/glibc/common.nix
+++ b/pkgs/development/libraries/glibc/common.nix
@@ -20,7 +20,7 @@
 { stdenv, lib
 , buildPlatform, hostPlatform
 , buildPackages
-, fetchurl, fetchpatch ? null
+, fetchurl ? null
 , linuxHeaders ? null
 , gd ? null, libpng ? null
 , bison
diff --git a/pkgs/development/libraries/gnutls-kdh/generic.nix b/pkgs/development/libraries/gnutls-kdh/generic.nix
index 472ec83fb02c..a81cd91fdc76 100644
--- a/pkgs/development/libraries/gnutls-kdh/generic.nix
+++ b/pkgs/development/libraries/gnutls-kdh/generic.nix
@@ -1,6 +1,6 @@
-{ lib, fetchurl, stdenv, zlib, lzo, libtasn1, nettle, pkgconfig, lzip
+{ lib, stdenv, zlib, lzo, libtasn1, nettle, pkgconfig, lzip
 , guileBindings, guile, perl, gmp, autogen, libidn, p11-kit, unbound, libiconv
-, tpmSupport ? true, trousers, nettools, bash, gperftools, gperf, gettext, automake
+, tpmSupport ? true, trousers, nettools, gperftools, gperf, gettext, automake
 , yacc, texinfo
 
 # Version dependent args
diff --git a/pkgs/development/libraries/gnutls/generic.nix b/pkgs/development/libraries/gnutls/generic.nix
index 984603827c8d..081d896a6e0b 100644
--- a/pkgs/development/libraries/gnutls/generic.nix
+++ b/pkgs/development/libraries/gnutls/generic.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, stdenv, zlib, lzo, libtasn1, nettle, pkgconfig, lzip
+{ lib, stdenv, zlib, lzo, libtasn1, nettle, pkgconfig, lzip
 , guileBindings, guile, perl, gmp, autogen, libidn, p11-kit, libiconv
 , tpmSupport ? false, trousers, which, nettools, libunistring
 , unbound, dns-root-data, gettext
diff --git a/pkgs/development/libraries/goffice/default.nix b/pkgs/development/libraries/goffice/default.nix
index 6cdd19f307df..6155b8b18bd0 100644
--- a/pkgs/development/libraries/goffice/default.nix
+++ b/pkgs/development/libraries/goffice/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, pkgconfig, intltool, glib, gtk3
-, libgsf, libxml2, libxslt, cairo, pango, librsvg, libspectre }:
+, libgsf, libxml2, libxslt, cairo, pango, librsvg }:
 
 stdenv.mkDerivation rec {
   name = "goffice-0.10.39";
diff --git a/pkgs/development/libraries/gpgme/default.nix b/pkgs/development/libraries/gpgme/default.nix
index 94c09b716832..e7da60a9d1a2 100644
--- a/pkgs/development/libraries/gpgme/default.nix
+++ b/pkgs/development/libraries/gpgme/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, libgpgerror, gnupg, pkgconfig, glib, pth, libassuan
+{ stdenv, fetchurl, libgpgerror, gnupg, pkgconfig, glib, pth, libassuan
 , file, which
 , autoreconfHook
 , git
diff --git a/pkgs/development/libraries/gsasl/default.nix b/pkgs/development/libraries/gsasl/default.nix
index 720ff06ceaa5..9c19bdbdc29a 100644
--- a/pkgs/development/libraries/gsasl/default.nix
+++ b/pkgs/development/libraries/gsasl/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, gss, libidn, kerberos }:
+{ fetchurl, stdenv, libidn, kerberos }:
 
 stdenv.mkDerivation rec {
   name = "gsasl-1.8.0";
diff --git a/pkgs/development/libraries/gsl/default.nix b/pkgs/development/libraries/gsl/default.nix
index 4f952359f711..37d4843db8d4 100644
--- a/pkgs/development/libraries/gsl/default.nix
+++ b/pkgs/development/libraries/gsl/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, fetchpatch, stdenv }:
+{ fetchurl, stdenv }:
 
 stdenv.mkDerivation rec {
   name = "gsl-2.5";
diff --git a/pkgs/development/libraries/gstreamer/base/default.nix b/pkgs/development/libraries/gstreamer/base/default.nix
index dfd3383cdbad..49216b70fe12 100644
--- a/pkgs/development/libraries/gstreamer/base/default.nix
+++ b/pkgs/development/libraries/gstreamer/base/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, fetchpatch, lib
 , pkgconfig, meson, ninja, gettext, gobjectIntrospection
-, python, gstreamer, orc, pango, libtheora, libvisual
+, python, gstreamer, orc, pango, libtheora
 , libintl, libopus
 , enableX11 ? stdenv.isLinux, libXv
 , enableWayland ? stdenv.isLinux, wayland
diff --git a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix
index 8371b2780409..db75705c825a 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, python, gstreamer, xorg, alsaLib, cdparanoia
+{ fetchurl, stdenv, pkgconfig, gstreamer, xorg, alsaLib, cdparanoia
 , libogg, libtheora, libvorbis, freetype, pango, liboil, glib, cairo, orc
 , libintl
 , ApplicationServices
diff --git a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-good/default.nix b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-good/default.nix
index 75583624f545..9c47ef0260b4 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-good/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-good/default.nix
@@ -1,6 +1,6 @@
 { fetchurl, stdenv, lib, pkgconfig, gst-plugins-base, aalib, cairo
-, flac, libjpeg, zlib, speex, libpng, libdv, libcaca, libvpx
-, libiec61883, libavc1394, taglib, libpulseaudio, gdk_pixbuf, orc
+, flac, libjpeg, speex, libpng, libdv, libcaca, libvpx
+, taglib, libpulseaudio, gdk_pixbuf, orc
 , glib, gstreamer, bzip2, libsoup, libshout, ncurses, libintl
 , # Whether to build no plugins that have external dependencies
   # (except the PulseAudio plugin).
diff --git a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-ugly/default.nix b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-ugly/default.nix
index ac680f8432ab..2f46016adac8 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-ugly/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-ugly/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, pkgconfig, glib, gstreamer, gst-plugins-base
-, libmad, libdvdread, libmpeg2, libcdio, a52dec, x264, orc, lame, libintl }:
+, libmad, libdvdread, a52dec, x264, orc, lame, libintl }:
 
 stdenv.mkDerivation rec {
   name = "gst-plugins-ugly-0.10.19";
diff --git a/pkgs/development/libraries/gstreamer/vaapi/default.nix b/pkgs/development/libraries/gstreamer/vaapi/default.nix
index 11b451e76fdf..7255894f3b1f 100644
--- a/pkgs/development/libraries/gstreamer/vaapi/default.nix
+++ b/pkgs/development/libraries/gstreamer/vaapi/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, meson, ninja, pkgconfig, gst-plugins-base, bzip2, libva, wayland
-, libdrm, udev, xorg, libGLU_combined, yasm, gstreamer, gst-plugins-bad, nasm
+, libdrm, udev, xorg, libGLU_combined, gstreamer, gst-plugins-bad, nasm
 , libvpx, python
 }:
 
diff --git a/pkgs/development/libraries/gtkd/default.nix b/pkgs/development/libraries/gtkd/default.nix
index f206a169b93d..c0dc0753cd01 100644
--- a/pkgs/development/libraries/gtkd/default.nix
+++ b/pkgs/development/libraries/gtkd/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchzip, atk, cairo, dmd, gdk_pixbuf, gnome3, gst_all_1, librsvg
-, pango, pkgconfig, substituteAll, which }:
+, pango, pkgconfig, which }:
 
 stdenv.mkDerivation rec {
   name = "gtkd-${version}";
diff --git a/pkgs/development/libraries/gvfs/default.nix b/pkgs/development/libraries/gvfs/default.nix
index 4f3bc64b5d40..4c858242bb54 100644
--- a/pkgs/development/libraries/gvfs/default.nix
+++ b/pkgs/development/libraries/gvfs/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, meson, ninja, fetchurl, pkgconfig, gettext, gnome3
+{ stdenv, fetchurl, pkgconfig, gettext, gnome3
 , glib, libgudev, udisks2, libgcrypt, libcap, polkit
 , libgphoto2, avahi, libarchive, fuse, libcdio
 , libxml2, libxslt, docbook_xsl, docbook_xml_dtd_42, samba, libmtp
diff --git a/pkgs/development/libraries/hunspell/dictionaries.nix b/pkgs/development/libraries/hunspell/dictionaries.nix
index ee8a5107b341..9f0a6c34512f 100644
--- a/pkgs/development/libraries/hunspell/dictionaries.nix
+++ b/pkgs/development/libraries/hunspell/dictionaries.nix
@@ -163,6 +163,7 @@ let
       name = "hunspell-dict-${shortName}-linguistico-${version}";
       readmeFile = dictFileName + "_README.txt";
       meta = with stdenv.lib; {
+        description = "Hunspell dictionary for ${shortDescription}";
         homepage = https://sourceforge.net/projects/linguistico/;
         license = licenses.gpl3;
         maintainers = with maintainers; [ renzo ];
diff --git a/pkgs/development/libraries/icu/base.nix b/pkgs/development/libraries/icu/base.nix
index ee868d371ce5..705fb816b2e5 100644
--- a/pkgs/development/libraries/icu/base.nix
+++ b/pkgs/development/libraries/icu/base.nix
@@ -1,5 +1,5 @@
 { version, sha256, patches ? [], patchFlags ? "" }:
-{ stdenv, fetchurl, fetchpatch, fixDarwinDylibNames
+{ stdenv, fetchurl, fixDarwinDylibNames
   # Cross-compiled icu4c requires a build-root of a native compile
 , buildRootOnly ? false, nativeBuildRoot, buildPlatform, hostPlatform
 }:
diff --git a/pkgs/development/libraries/ignition-transport/generic.nix b/pkgs/development/libraries/ignition-transport/generic.nix
index 3568edb7890c..8abff4c5f059 100644
--- a/pkgs/development/libraries/ignition-transport/generic.nix
+++ b/pkgs/development/libraries/ignition-transport/generic.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, pkgconfig, utillinux,
+{ stdenv, cmake, pkgconfig, utillinux,
   protobuf, zeromq, cppzmq,
   version, src    # parametrize version and src so we can easily have pkgs
                   # for different versions
diff --git a/pkgs/development/libraries/ijs/default.nix b/pkgs/development/libraries/ijs/default.nix
index ed500ca518fd..a5b226ee9c74 100644
--- a/pkgs/development/libraries/ijs/default.nix
+++ b/pkgs/development/libraries/ijs/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, autoreconfHook, ghostscript }:
+{ stdenv, autoreconfHook, ghostscript }:
 
 stdenv.mkDerivation {
   name = "ijs-${ghostscript.version}";
diff --git a/pkgs/development/libraries/iso-codes/default.nix b/pkgs/development/libraries/iso-codes/default.nix
index 4dfe190124b1..d78c59e9c25a 100644
--- a/pkgs/development/libraries/iso-codes/default.nix
+++ b/pkgs/development/libraries/iso-codes/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, gettext, python3, xz}:
+{stdenv, fetchurl, gettext, python3}:
 
 stdenv.mkDerivation rec {
   name = "iso-codes-${version}";
diff --git a/pkgs/development/libraries/itk/default.nix b/pkgs/development/libraries/itk/default.nix
index 5280a95afb40..5f6a6f51a522 100644
--- a/pkgs/development/libraries/itk/default.nix
+++ b/pkgs/development/libraries/itk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, cmake, libX11, libuuid, xz, vtk }:
+{ stdenv, fetchurl, cmake, libX11, libuuid, xz, vtk }:
 
 stdenv.mkDerivation rec {
   name = "itk-4.13.0";
diff --git a/pkgs/development/libraries/jbig2dec/default.nix b/pkgs/development/libraries/jbig2dec/default.nix
index 8731bd8e7366..b9dcc927172f 100644
--- a/pkgs/development/libraries/jbig2dec/default.nix
+++ b/pkgs/development/libraries/jbig2dec/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch }:
+{ stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
   name = "jbig2dec-0.14";
diff --git a/pkgs/development/libraries/json-glib/default.nix b/pkgs/development/libraries/json-glib/default.nix
index a9b5d596b395..be83dbc52f45 100644
--- a/pkgs/development/libraries/json-glib/default.nix
+++ b/pkgs/development/libraries/json-glib/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, fetchpatch, glib, meson, ninja, pkgconfig, gettext
-, gobjectIntrospection, dbus, fixDarwinDylibNames, gnome3
+, gobjectIntrospection, fixDarwinDylibNames, gnome3
 }:
 
 let
diff --git a/pkgs/development/libraries/kde-frameworks/kcoreaddons.nix b/pkgs/development/libraries/kde-frameworks/kcoreaddons.nix
index cd5f2163dd95..d5a407ee16f2 100644
--- a/pkgs/development/libraries/kde-frameworks/kcoreaddons.nix
+++ b/pkgs/development/libraries/kde-frameworks/kcoreaddons.nix
@@ -1,5 +1,5 @@
 {
-  mkDerivation, lib, fetchurl, writeScript,
+  mkDerivation, lib,
   extra-cmake-modules,
   qtbase, qttools, shared-mime-info
 }:
diff --git a/pkgs/development/libraries/kde-frameworks/kdeclarative.nix b/pkgs/development/libraries/kde-frameworks/kdeclarative.nix
index 7aabeb021545..34e01b4c1b62 100644
--- a/pkgs/development/libraries/kde-frameworks/kdeclarative.nix
+++ b/pkgs/development/libraries/kde-frameworks/kdeclarative.nix
@@ -1,7 +1,7 @@
 {
   mkDerivation, lib, extra-cmake-modules,
   epoxy, kconfig, kglobalaccel, kguiaddons, ki18n, kiconthemes, kio, kpackage,
-  kwidgetsaddons, kwindowsystem, pkgconfig, qtdeclarative
+  kwidgetsaddons, kwindowsystem, qtdeclarative
 }:
 
 mkDerivation {
diff --git a/pkgs/development/libraries/kde-frameworks/kglobalaccel.nix b/pkgs/development/libraries/kde-frameworks/kglobalaccel.nix
index ae945ab73384..ca015151e0f1 100644
--- a/pkgs/development/libraries/kde-frameworks/kglobalaccel.nix
+++ b/pkgs/development/libraries/kde-frameworks/kglobalaccel.nix
@@ -1,5 +1,5 @@
 {
-  mkDerivation, lib,
+  mkDerivation,
   extra-cmake-modules,
   kconfig, kcoreaddons, kcrash, kdbusaddons, kservice, kwindowsystem,
   qtbase, qttools, qtx11extras,
diff --git a/pkgs/development/libraries/kde-frameworks/kpackage/default.nix b/pkgs/development/libraries/kde-frameworks/kpackage/default.nix
index c0b4b6312861..6779faa50cdc 100644
--- a/pkgs/development/libraries/kde-frameworks/kpackage/default.nix
+++ b/pkgs/development/libraries/kde-frameworks/kpackage/default.nix
@@ -1,5 +1,5 @@
 {
-  mkDerivation, fetchurl, lib, copyPathsToStore,
+  mkDerivation, lib, copyPathsToStore,
   extra-cmake-modules, kdoctools,
   karchive, kconfig, kcoreaddons, ki18n, qtbase,
 }:
diff --git a/pkgs/development/libraries/kde-frameworks/ktexteditor.nix b/pkgs/development/libraries/kde-frameworks/ktexteditor.nix
index 3efd4cf4e2a8..c633aee30a1b 100644
--- a/pkgs/development/libraries/kde-frameworks/ktexteditor.nix
+++ b/pkgs/development/libraries/kde-frameworks/ktexteditor.nix
@@ -1,5 +1,5 @@
 {
-  mkDerivation, lib, copyPathsToStore, fetchpatch,
+  mkDerivation, lib,
   extra-cmake-modules, perl,
   karchive, kconfig, kguiaddons, ki18n, kiconthemes, kio, kparts, libgit2,
   qtscript, qtxmlpatterns, sonnet, syntax-highlighting, qtquickcontrols
diff --git a/pkgs/development/libraries/keybinder3/default.nix b/pkgs/development/libraries/keybinder3/default.nix
index cf4b85043bb2..194b57c05342 100644
--- a/pkgs/development/libraries/keybinder3/default.nix
+++ b/pkgs/development/libraries/keybinder3/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, autoconf, automake, libtool, pkgconfig, gnome3
-, gtk-doc, gtk3, python, lua, libX11, libXext, libXrender, gobjectIntrospection
+, gtk-doc, gtk3, libX11, libXext, libXrender, gobjectIntrospection
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/kpmcore/default.nix b/pkgs/development/libraries/kpmcore/default.nix
index c6c3ba53d2c3..5c53f5e6ad5d 100644
--- a/pkgs/development/libraries/kpmcore/default.nix
+++ b/pkgs/development/libraries/kpmcore/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, extra-cmake-modules, pkgconfig
+{ stdenv, lib, fetchurl, extra-cmake-modules
 , qtbase, kdeFrameworks
 , libatasmart, parted
 , utillinux }:
diff --git a/pkgs/development/libraries/kreport/default.nix b/pkgs/development/libraries/kreport/default.nix
index 3f44dbb9c138..256989992c5a 100644
--- a/pkgs/development/libraries/kreport/default.nix
+++ b/pkgs/development/libraries/kreport/default.nix
@@ -1,7 +1,7 @@
 {
   mkDerivation, lib, fetchurl,
   extra-cmake-modules,
-  qtbase, qtdeclarative, qtwebkit, kconfig, kcoreaddons, kwidgetsaddons, kguiaddons, kproperty, marble, python2
+  qtdeclarative, qtwebkit, kconfig, kcoreaddons, kwidgetsaddons, kguiaddons, kproperty, marble, python2
 }:
 
 mkDerivation rec {
diff --git a/pkgs/development/libraries/languagemachines/frogdata.nix b/pkgs/development/libraries/languagemachines/frogdata.nix
index 61b4559ebab0..2c418c1bc5f5 100644
--- a/pkgs/development/libraries/languagemachines/frogdata.nix
+++ b/pkgs/development/libraries/languagemachines/frogdata.nix
@@ -1,7 +1,5 @@
 { stdenv, fetchurl
 , automake, autoconf, libtool, pkgconfig, autoconf-archive
-, libxml2, icu
-, languageMachines
 }:
 
 let
diff --git a/pkgs/development/libraries/languagemachines/uctodata.nix b/pkgs/development/libraries/languagemachines/uctodata.nix
index 7defa71fc0ee..01a78b5b4be6 100644
--- a/pkgs/development/libraries/languagemachines/uctodata.nix
+++ b/pkgs/development/libraries/languagemachines/uctodata.nix
@@ -1,7 +1,6 @@
 { stdenv, fetchurl
 , automake, autoconf, libtool, pkgconfig, autoconf-archive
-, libxml2, icu
-, languageMachines }:
+ }:
 
 let
   release = builtins.fromJSON (builtins.readFile ./release-info/LanguageMachines-uctodata.json);
diff --git a/pkgs/development/libraries/lensfun/default.nix b/pkgs/development/libraries/lensfun/default.nix
index 5791b0808b4a..e9ba4ae5ac21 100644
--- a/pkgs/development/libraries/lensfun/default.nix
+++ b/pkgs/development/libraries/lensfun/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, python, glib, zlib, libpng, gnumake3, cmake }:
+{ stdenv, fetchurl, pkgconfig, glib, zlib, libpng, gnumake3, cmake }:
 
 stdenv.mkDerivation rec {
   version = "0.3.2";
diff --git a/pkgs/development/libraries/libatomic_ops/default.nix b/pkgs/development/libraries/libatomic_ops/default.nix
index fde8a06eb416..0c0fc3861c9e 100644
--- a/pkgs/development/libraries/libatomic_ops/default.nix
+++ b/pkgs/development/libraries/libatomic_ops/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, autoconf, automake, libtool, hostPlatform }:
+{ stdenv, fetchurl, autoconf, automake, libtool }:
 
 stdenv.mkDerivation rec {
   name = "libatomic_ops-${version}";
diff --git a/pkgs/development/libraries/libbdplus/default.nix b/pkgs/development/libraries/libbdplus/default.nix
index 8b2f0b0da92d..3a1b77525143 100644
--- a/pkgs/development/libraries/libbdplus/default.nix
+++ b/pkgs/development/libraries/libbdplus/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, libgcrypt, libgpgerror, yacc, flex, gettext }:
+{ stdenv, fetchurl, libgcrypt, libgpgerror, gettext }:
 
 # library that allows libbluray to play BDplus protected bluray disks
 # libaacs does not infringe DRM's right or copyright. See the legal page of the website for more info.
diff --git a/pkgs/development/libraries/libbfd/default.nix b/pkgs/development/libraries/libbfd/default.nix
index 3f244d399f7e..c02e2108f237 100644
--- a/pkgs/development/libraries/libbfd/default.nix
+++ b/pkgs/development/libraries/libbfd/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, buildPackages
-, fetchurl, fetchpatch, gnu-config, autoreconfHook264, bison, binutils-unwrapped
+{ stdenv
+, fetchpatch, gnu-config, autoreconfHook264, bison, binutils-unwrapped
 , libiberty, zlib
 }:
 
diff --git a/pkgs/development/libraries/libchamplain/default.nix b/pkgs/development/libraries/libchamplain/default.nix
index 418e9cf0b573..e4864aded279 100644
--- a/pkgs/development/libraries/libchamplain/default.nix
+++ b/pkgs/development/libraries/libchamplain/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, glib, gtk3, cairo, clutter, sqlite, gnome3
+{ fetchurl, stdenv, pkgconfig, glib, gtk3, cairo, sqlite, gnome3
 , clutter-gtk, libsoup, gobjectIntrospection /*, libmemphis */ }:
 
 let
diff --git a/pkgs/development/libraries/libcollectdclient/default.nix b/pkgs/development/libraries/libcollectdclient/default.nix
index 4f0ba439417f..4f4007649d04 100644
--- a/pkgs/development/libraries/libcollectdclient/default.nix
+++ b/pkgs/development/libraries/libcollectdclient/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, collectd }:
+{ stdenv, collectd }:
 with stdenv.lib;
 
 collectd.overrideAttrs (oldAttrs: {
diff --git a/pkgs/development/libraries/libdazzle/default.nix b/pkgs/development/libraries/libdazzle/default.nix
index 7f4eaa5fd14b..295028abc97d 100644
--- a/pkgs/development/libraries/libdazzle/default.nix
+++ b/pkgs/development/libraries/libdazzle/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, pkgs, fetchurl, ninja, meson, pkgconfig, vala, gobjectIntrospection, libxml2
+{ stdenv, fetchurl, ninja, meson, pkgconfig, vala, gobjectIntrospection, libxml2
 , gtk-doc, docbook_xsl, dbus, xvfb_run, glib, gtk3, gnome3 }:
 
 let
diff --git a/pkgs/development/libraries/libedit/default.nix b/pkgs/development/libraries/libedit/default.nix
index bc4cea1b4702..c68e171084b9 100644
--- a/pkgs/development/libraries/libedit/default.nix
+++ b/pkgs/development/libraries/libedit/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ncurses, groff }:
+{ stdenv, fetchurl, ncurses }:
 
 stdenv.mkDerivation rec {
   name = "libedit-20180525-3.1";
diff --git a/pkgs/development/libraries/libewf/default.nix b/pkgs/development/libraries/libewf/default.nix
index b1a6238a3780..d150d4a00330 100644
--- a/pkgs/development/libraries/libewf/default.nix
+++ b/pkgs/development/libraries/libewf/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, zlib, openssl, libuuid, file, fuse, autoreconfHook, pkgconfig }:
+{ fetchurl, stdenv, zlib, openssl, libuuid, pkgconfig }:
 
 stdenv.mkDerivation rec {
   version = "20171104";
diff --git a/pkgs/development/libraries/libgdiplus/default.nix b/pkgs/development/libraries/libgdiplus/default.nix
index 05c320c42aec..5e94d00dcdb7 100644
--- a/pkgs/development/libraries/libgdiplus/default.nix
+++ b/pkgs/development/libraries/libgdiplus/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, glib, cairo, Carbon, fontconfig
-, libtiff, giflib, libjpeg, libpng, monoDLLFixer
+, libtiff, giflib, libjpeg, libpng
 , libXrender, libexif }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/libgksu/default.nix b/pkgs/development/libraries/libgksu/default.nix
index 652848d8a955..29f346e9acfb 100644
--- a/pkgs/development/libraries/libgksu/default.nix
+++ b/pkgs/development/libraries/libgksu/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, pkgconfig, wrapGAppsHook, gtk2, gnome2, gnome3,
   libstartup_notification, libgtop, perl, perlXMLParser,
-  autoreconfHook, intltool, docbook_xsl, xauth, sudo
+  autoreconfHook, intltool, docbook_xsl, xauth
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/libgphoto2/default.nix b/pkgs/development/libraries/libgphoto2/default.nix
index 96b42ac068cc..8616a0146755 100644
--- a/pkgs/development/libraries/libgphoto2/default.nix
+++ b/pkgs/development/libraries/libgphoto2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchpatch, fetchFromGitHub, pkgconfig, libusb1, libtool, libexif, libjpeg, gettext, autoreconfHook }:
+{ stdenv, fetchFromGitHub, pkgconfig, libusb1, libtool, libexif, libjpeg, gettext, autoreconfHook }:
 
 stdenv.mkDerivation rec {
   name = "libgphoto2-${meta.version}";
diff --git a/pkgs/development/libraries/libgpod/default.nix b/pkgs/development/libraries/libgpod/default.nix
index fbe421e9974e..c6056ee49fbf 100644
--- a/pkgs/development/libraries/libgpod/default.nix
+++ b/pkgs/development/libraries/libgpod/default.nix
@@ -1,5 +1,5 @@
 {stdenv, lib, fetchurl, gettext, perl, perlXMLParser, intltool, pkgconfig, glib,
-  libxml2, sqlite, libusb1, zlib, sg3_utils, gdk_pixbuf, taglib,
+  libxml2, sqlite, zlib, sg3_utils, gdk_pixbuf, taglib,
   libimobiledevice, pythonPackages, mutagen,
   monoSupport ? true, mono, gtk-sharp-2_0
 }:
diff --git a/pkgs/development/libraries/libgtop/default.nix b/pkgs/development/libraries/libgtop/default.nix
index 6498014aee8d..d0be9e25b87e 100644
--- a/pkgs/development/libraries/libgtop/default.nix
+++ b/pkgs/development/libraries/libgtop/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, glib, pkgconfig, perl, gettext, gobjectIntrospection, libintl, libtool, gnome3, gtk-doc }:
+{ stdenv, fetchurl, fetchpatch, glib, pkgconfig, perl, gettext, gobjectIntrospection, libtool, gnome3, gtk-doc }:
 let
   pname = "libgtop";
   version = "2.38.0";
diff --git a/pkgs/development/libraries/libiberty/default.nix b/pkgs/development/libraries/libiberty/default.nix
index 516e6bbbe88c..bcc85abbd3ef 100644
--- a/pkgs/development/libraries/libiberty/default.nix
+++ b/pkgs/development/libraries/libiberty/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPackages, fetchurl, staticBuild ? false }:
+{ stdenv, buildPackages, staticBuild ? false }:
 
 let inherit (buildPackages.buildPackages) gcc; in
 
diff --git a/pkgs/development/libraries/libid3tag/default.nix b/pkgs/development/libraries/libid3tag/default.nix
index a153001a9600..0289a5331f89 100644
--- a/pkgs/development/libraries/libid3tag/default.nix
+++ b/pkgs/development/libraries/libid3tag/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, writeText, zlib, gperf}:
+{stdenv, fetchurl, zlib, gperf}:
 
 stdenv.mkDerivation rec {
   name = "libid3tag-${version}";
diff --git a/pkgs/development/libraries/libidn2/default.nix b/pkgs/development/libraries/libidn2/default.nix
index a100b0cc5932..dd8e3c4a4f87 100644
--- a/pkgs/development/libraries/libidn2/default.nix
+++ b/pkgs/development/libraries/libidn2/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, libiconv, libunistring, help2man, ronn, buildPackages }:
+{ fetchurl, stdenv, libiconv, libunistring, help2man, buildPackages }:
 
 with stdenv.lib;
 
diff --git a/pkgs/development/libraries/libircclient/default.nix b/pkgs/development/libraries/libircclient/default.nix
index fef5e7278b81..612de78b741d 100644
--- a/pkgs/development/libraries/libircclient/default.nix
+++ b/pkgs/development/libraries/libircclient/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake }:
+{ stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
   name    = "${pname}-${version}";
diff --git a/pkgs/development/libraries/libjson-rpc-cpp/default.nix b/pkgs/development/libraries/libjson-rpc-cpp/default.nix
index 87cae2246852..f352c8e9ed19 100644
--- a/pkgs/development/libraries/libjson-rpc-cpp/default.nix
+++ b/pkgs/development/libraries/libjson-rpc-cpp/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, cmake, jsoncpp, argtable, curl, libmicrohttpd
-, doxygen, catch, pkgconfig, git
+, doxygen, catch, pkgconfig
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/libndctl/default.nix b/pkgs/development/libraries/libndctl/default.nix
index 4b547fde3ab0..79439f822696 100644
--- a/pkgs/development/libraries/libndctl/default.nix
+++ b/pkgs/development/libraries/libndctl/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, autoreconfHook, autoconf, automake, asciidoc, docbook_xsl, docbook_xml_dtd_45, libxslt, xmlto, pkgconfig, json_c, kmod, which, systemd, utillinux
+{ stdenv, fetchFromGitHub, fetchpatch, autoreconfHook, asciidoc, docbook_xsl, docbook_xml_dtd_45, libxslt, xmlto, pkgconfig, json_c, kmod, which, systemd, utillinux
 }:
 
 let
diff --git a/pkgs/development/libraries/libopcodes/default.nix b/pkgs/development/libraries/libopcodes/default.nix
index c918c61abf0d..2c59fa03ea06 100644
--- a/pkgs/development/libraries/libopcodes/default.nix
+++ b/pkgs/development/libraries/libopcodes/default.nix
@@ -1,5 +1,5 @@
 { stdenv, buildPackages
-, fetchurl, autoreconfHook264, bison, binutils-unwrapped
+, autoreconfHook264, bison, binutils-unwrapped
 , libiberty, libbfd
 }:
 
diff --git a/pkgs/development/libraries/libopus/default.nix b/pkgs/development/libraries/libopus/default.nix
index 66c7e7e882e8..135f1caf97e2 100644
--- a/pkgs/development/libraries/libopus/default.nix
+++ b/pkgs/development/libraries/libopus/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch
+{ stdenv, fetchurl
 , fixedPoint ? false, withCustomModes ? true }:
 
 let
diff --git a/pkgs/development/libraries/libplist/default.nix b/pkgs/development/libraries/libplist/default.nix
index 8da097c3d386..8dc64f2c2b57 100644
--- a/pkgs/development/libraries/libplist/default.nix
+++ b/pkgs/development/libraries/libplist/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, libxml2, swig2, python2Packages, glib }:
+{ stdenv, fetchurl, pkgconfig, swig2, python2Packages, glib }:
 
 let
   inherit (python2Packages) python cython;
diff --git a/pkgs/development/libraries/libpng/default.nix b/pkgs/development/libraries/libpng/default.nix
index 5ad9cf1e7b77..4173588ac522 100644
--- a/pkgs/development/libraries/libpng/default.nix
+++ b/pkgs/development/libraries/libpng/default.nix
@@ -1,6 +1,4 @@
-{ stdenv, fetchurl, zlib, apngSupport ? true
-, buildPlatform, hostPlatform
-}:
+{ stdenv, fetchurl, zlib, apngSupport ? true }:
 
 assert zlib != null;
 
diff --git a/pkgs/development/libraries/libproxy/default.nix b/pkgs/development/libraries/libproxy/default.nix
index 02e634b22a34..0e0499251eb9 100644
--- a/pkgs/development/libraries/libproxy/default.nix
+++ b/pkgs/development/libraries/libproxy/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, pkgconfig, cmake, zlib
+{ stdenv, fetchFromGitHub, pkgconfig, cmake, zlib
 , dbus, networkmanager, spidermonkey_38, pcre, python2, python3
 , SystemConfiguration, CoreFoundation, JavaScriptCore }:
 
diff --git a/pkgs/development/libraries/librdf/raptor2.nix b/pkgs/development/libraries/librdf/raptor2.nix
index b7a78cb3daf6..3f4366771235 100644
--- a/pkgs/development/libraries/librdf/raptor2.nix
+++ b/pkgs/development/libraries/librdf/raptor2.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, libxml2, libxslt, curl }:
+{ stdenv, fetchurl, libxml2, libxslt }:
 
 stdenv.mkDerivation rec {
   name = "raptor2-2.0.15";
diff --git a/pkgs/development/libraries/libsecret/default.nix b/pkgs/development/libraries/libsecret/default.nix
index b77ba49822fd..f311d1a03353 100644
--- a/pkgs/development/libraries/libsecret/default.nix
+++ b/pkgs/development/libraries/libsecret/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, glib, pkgconfig, intltool, libxslt, docbook_xsl, gtk-doc
+{ stdenv, fetchurl, glib, pkgconfig, intltool, libxslt, docbook_xsl
 , libgcrypt, gobjectIntrospection, vala_0_38, gnome3, libintl }:
 let
   pname = "libsecret";
diff --git a/pkgs/development/libraries/libsigcxx/default.nix b/pkgs/development/libraries/libsigcxx/default.nix
index f6bfff78fa26..def5ee0e19a2 100644
--- a/pkgs/development/libraries/libsigcxx/default.nix
+++ b/pkgs/development/libraries/libsigcxx/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, gnum4 }:
+{ stdenv, fetchurl, pkgconfig, gnum4 }:
 let
   ver_maj = "2.10"; # odd major numbers are unstable
   ver_min = "0";
diff --git a/pkgs/development/libraries/libsigsegv/default.nix b/pkgs/development/libraries/libsigsegv/default.nix
index 8152c1ea8524..306c73a9b551 100644
--- a/pkgs/development/libraries/libsigsegv/default.nix
+++ b/pkgs/development/libraries/libsigsegv/default.nix
@@ -1,5 +1,4 @@
 { stdenv, fetchurl
-, buildPlatform, hostPlatform
 , enableSigbusFix ? false # required by kernels < 3.18.6
 }:
 
diff --git a/pkgs/development/libraries/libskk/default.nix b/pkgs/development/libraries/libskk/default.nix
index 48b0ed6d711c..b64c3e517782 100644
--- a/pkgs/development/libraries/libskk/default.nix
+++ b/pkgs/development/libraries/libskk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchFromGitHub,
+{ stdenv, fetchFromGitHub,
   libtool, gettext, pkgconfig,
   vala, gnome-common, gobjectIntrospection,
   libgee, json-glib, skk-dicts }:
diff --git a/pkgs/development/libraries/libsnark/default.nix b/pkgs/development/libraries/libsnark/default.nix
index 578053bbb427..4ea2209160f8 100644
--- a/pkgs/development/libraries/libsnark/default.nix
+++ b/pkgs/development/libraries/libsnark/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, pkgconfig, openssl, boost, gmp, procps, fetchpatch, patchutils }:
+{ stdenv, fetchFromGitHub, cmake, pkgconfig, openssl, boost, gmp, procps }:
 
 let
   rev = "9e6b19ff15bc19fba5da1707ba18e7f160e5ed07";
diff --git a/pkgs/development/libraries/libtheora/default.nix b/pkgs/development/libraries/libtheora/default.nix
index fd58f4f44e78..b5ab9d310da3 100644
--- a/pkgs/development/libraries/libtheora/default.nix
+++ b/pkgs/development/libraries/libtheora/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, libogg, libvorbis, tremor, autoconf, automake, libtool, pkgconfig}:
+{stdenv, fetchurl, libogg, libvorbis, pkgconfig}:
 
 stdenv.mkDerivation rec {
   name = "libtheora-1.1.1";
diff --git a/pkgs/development/libraries/libtiff/default.nix b/pkgs/development/libraries/libtiff/default.nix
index c492a15bfa4e..c5a12432280b 100644
--- a/pkgs/development/libraries/libtiff/default.nix
+++ b/pkgs/development/libraries/libtiff/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, zlib, libjpeg, xz }:
+{ stdenv, fetchurl, pkgconfig, zlib, libjpeg, xz }:
 
 let
   version = "4.0.9";
diff --git a/pkgs/development/libraries/libunwind/default.nix b/pkgs/development/libraries/libunwind/default.nix
index dbf1d7a3756f..6a32ccf5c1b1 100644
--- a/pkgs/development/libraries/libunwind/default.nix
+++ b/pkgs/development/libraries/libunwind/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, autoreconfHook, xz }:
+{ stdenv, fetchurl, autoreconfHook, xz }:
 
 stdenv.mkDerivation rec {
   name = "libunwind-${version}";
diff --git a/pkgs/development/libraries/libva-utils/default.nix b/pkgs/development/libraries/libva-utils/default.nix
index 95d4be08548a..6868e5c8cfa9 100644
--- a/pkgs/development/libraries/libva-utils/default.nix
+++ b/pkgs/development/libraries/libva-utils/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, autoreconfHook, pkgconfig
+{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig
 , libdrm, libva
 }:
 
diff --git a/pkgs/development/libraries/libvpx/default.nix b/pkgs/development/libraries/libvpx/default.nix
index 731892d33b4d..4338a7090701 100644
--- a/pkgs/development/libraries/libvpx/default.nix
+++ b/pkgs/development/libraries/libvpx/default.nix
@@ -33,7 +33,6 @@
 , temporalDenoisingSupport ? true # use temporal denoising instead of spatial denoising
 , coefficientRangeCheckingSupport ? false # decoder checks if intermediate transform coefficients are in valid range
 , vp9HighbitdepthSupport ? true # 10/12 bit color support in VP9
-, experimentalSupport ? false # experimental features
 # Experimental features
 , experimentalSpatialSvcSupport ? false # Spatial scalable video coding
 , experimentalFpMbStatsSupport ? false
diff --git a/pkgs/development/libraries/libvpx/git.nix b/pkgs/development/libraries/libvpx/git.nix
index 7d4b75d6cdf8..fb7f828f61f0 100644
--- a/pkgs/development/libraries/libvpx/git.nix
+++ b/pkgs/development/libraries/libvpx/git.nix
@@ -35,7 +35,6 @@
 , temporalDenoisingSupport ? true # use temporal denoising instead of spatial denoising
 , coefficientRangeCheckingSupport ? false # decoder checks if intermediate transform coefficients are in valid range
 , vp9HighbitdepthSupport ? true # 10/12 bit color support in VP9
-, experimentalSupport ? false # experimental features
 # Experimental features
 , experimentalSpatialSvcSupport ? false # Spatial scalable video coding
 , experimentalFpMbStatsSupport ? false
diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index 8a3d7abdfa57..51c142a81119 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, findXMLCatalogs, libiconv
 , buildPlatform, hostPlatform
 , pythonSupport ? buildPlatform == hostPlatform
diff --git a/pkgs/development/libraries/libxslt/default.nix b/pkgs/development/libraries/libxslt/default.nix
index 1bb90ee195da..5b6fdb462c2c 100644
--- a/pkgs/development/libraries/libxslt/default.nix
+++ b/pkgs/development/libraries/libxslt/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, libxml2, findXMLCatalogs, python2
+{ stdenv, fetchurl, libxml2, findXMLCatalogs, python2
 , buildPlatform, hostPlatform
 , cryptoSupport ? false
 , pythonSupport ? buildPlatform == hostPlatform
diff --git a/pkgs/development/libraries/libyaml-cpp/default.nix b/pkgs/development/libraries/libyaml-cpp/default.nix
index ff09aeab2c6f..af665c6d9a4a 100644
--- a/pkgs/development/libraries/libyaml-cpp/default.nix
+++ b/pkgs/development/libraries/libyaml-cpp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, boost }:
+{ stdenv, fetchFromGitHub, cmake }:
 
 stdenv.mkDerivation rec {
   name = "libyaml-cpp-${version}";
diff --git a/pkgs/development/libraries/libyaml/default.nix b/pkgs/development/libraries/libyaml/default.nix
index 7178e64b6b6a..7bd0d1970f4e 100644
--- a/pkgs/development/libraries/libyaml/default.nix
+++ b/pkgs/development/libraries/libyaml/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch }:
+{ stdenv, fetchurl }:
 let
   version = "0.1.7";
 in
diff --git a/pkgs/development/libraries/linenoise-ng/default.nix b/pkgs/development/libraries/linenoise-ng/default.nix
index 3f008744c1b4..5fa1035868d1 100644
--- a/pkgs/development/libraries/linenoise-ng/default.nix
+++ b/pkgs/development/libraries/linenoise-ng/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, cmake }:
+{ stdenv, fetchFromGitHub, cmake }:
 
 stdenv.mkDerivation rec {
   name = "linenoise-ng-${version}";
diff --git a/pkgs/development/libraries/lirc/default.nix b/pkgs/development/libraries/lirc/default.nix
index 7f4d8cc19c8e..ad6d2df1d8bd 100644
--- a/pkgs/development/libraries/lirc/default.nix
+++ b/pkgs/development/libraries/lirc/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, alsaLib, bash, help2man, pkgconfig, xlibsWrapper, python3
+{ stdenv, fetchurl, alsaLib, help2man, pkgconfig, xlibsWrapper, python3
 , libxslt, systemd, libusb, libftdi1 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/lucene++/default.nix b/pkgs/development/libraries/lucene++/default.nix
index 93c8a0474d96..c45fa6bc61aa 100644
--- a/pkgs/development/libraries/lucene++/default.nix
+++ b/pkgs/development/libraries/lucene++/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, cmake, boost, gtest }:
+{ stdenv, fetchurl, cmake, boost, gtest }:
 
 stdenv.mkDerivation rec {
   name = "lucene++-${version}";
diff --git a/pkgs/development/libraries/mediastreamer/default.nix b/pkgs/development/libraries/mediastreamer/default.nix
index 8b756e338e48..4b69d5d0aafe 100644
--- a/pkgs/development/libraries/mediastreamer/default.nix
+++ b/pkgs/development/libraries/mediastreamer/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, alsaLib, libpulseaudio, speex, gsm
+{ stdenv, pkgconfig, intltool, alsaLib, libpulseaudio, speex, gsm
 , libopus, ffmpeg, libX11, libXv, libGLU_combined, glew, libtheora, libvpx, SDL, libupnp
 , ortp, libv4l, libpcap, srtp, fetchFromGitHub, cmake, bctoolbox, doxygen
 , python, libXext, libmatroska, openssl, fetchpatch
diff --git a/pkgs/development/libraries/mediastreamer/msopenh264.nix b/pkgs/development/libraries/mediastreamer/msopenh264.nix
index f49b7ba2c4b4..b8a8c64011ca 100644
--- a/pkgs/development/libraries/mediastreamer/msopenh264.nix
+++ b/pkgs/development/libraries/mediastreamer/msopenh264.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, autoreconfHook, pkgconfig, mediastreamer, openh264
+{ stdenv, autoreconfHook, pkgconfig, mediastreamer, openh264
 , fetchgit, cmake
 }:
 
diff --git a/pkgs/development/libraries/mesa-darwin/default.nix b/pkgs/development/libraries/mesa-darwin/default.nix
index 0ae17b4d3f61..f18c1e693cbc 100644
--- a/pkgs/development/libraries/mesa-darwin/default.nix
+++ b/pkgs/development/libraries/mesa-darwin/default.nix
@@ -1,7 +1,5 @@
-{ stdenv, stdenvAdapters, fetchurl, pkgconfig, intltool, flex, bison
-, python, libxml2Python, file, expat, makedepend, xorg, llvm, libffi, libvdpau
-, enableTextureFloats ? false # Texture floats are patented, see docs/patents.txt
-, enableExtraFeatures ? false # not maintained
+{ stdenv, fetchurl, pkgconfig, intltool, flex, bison
+, python, libxml2Python, expat, makedepend, xorg, llvm, libffi, libvdpau
 , OpenGL, apple_sdk, Xplugin
 }:
 
diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 9c0bf29d4908..028930ba066d 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchurl, fetchpatch, lib
-, pkgconfig, intltool, autoreconfHook, substituteAll
+{ stdenv, fetchurl, lib
+, pkgconfig, intltool, autoreconfHook
 , file, expat, libdrm, xorg, wayland, wayland-protocols, openssl
 , llvmPackages, libffi, libomxil-bellagio, libva-minimal
 , libelf, libvdpau, valgrind-light, python2
diff --git a/pkgs/development/libraries/mlt/default.nix b/pkgs/development/libraries/mlt/default.nix
index 2d4de3390422..d8075c41a703 100644
--- a/pkgs/development/libraries/mlt/default.nix
+++ b/pkgs/development/libraries/mlt/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchurl, makeWrapper
+{ stdenv, fetchFromGitHub, makeWrapper
 , SDL, ffmpeg, frei0r, libjack2, libdv, libsamplerate
 , libvorbis, libxml2, movit, pkgconfig, sox
 , gtk2
diff --git a/pkgs/development/libraries/mono-zeroconf/default.nix b/pkgs/development/libraries/mono-zeroconf/default.nix
index 444ec9dac2be..d96f90b4bfd6 100644
--- a/pkgs/development/libraries/mono-zeroconf/default.nix
+++ b/pkgs/development/libraries/mono-zeroconf/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, autoreconfHook, which, pkgconfig, mono }:
+{ stdenv, fetchurl, which, pkgconfig, mono }:
 
 stdenv.mkDerivation rec {
   name = "mono-zeroconf-${version}";
diff --git a/pkgs/development/libraries/mpich2/default.nix b/pkgs/development/libraries/mpich2/default.nix
index 6c5a0e5279ce..b5a36c184ff7 100644
--- a/pkgs/development/libraries/mpich2/default.nix
+++ b/pkgs/development/libraries/mpich2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, python, perl, gfortran
+{ stdenv, fetchurl, perl, gfortran
 , slurm, openssh, hwloc
 } :
 
diff --git a/pkgs/development/libraries/mpir/default.nix b/pkgs/development/libraries/mpir/default.nix
index b9b25e7f43b3..2ecae98387e1 100644
--- a/pkgs/development/libraries/mpir/default.nix
+++ b/pkgs/development/libraries/mpir/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, m4, which, yasm }:
+{ stdenv, fetchurl, m4, which, yasm }:
 
 stdenv.mkDerivation rec {
   name = "mpir-${version}";
diff --git a/pkgs/development/libraries/neardal/default.nix b/pkgs/development/libraries/neardal/default.nix
index e0adb312677c..65679c7e2825 100644
--- a/pkgs/development/libraries/neardal/default.nix
+++ b/pkgs/development/libraries/neardal/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoconf, automake, libtool, gettext, pkgconfig, glib, readline, makeWrapper }:
+{ stdenv, fetchFromGitHub, autoconf, automake, libtool, pkgconfig, glib, readline, makeWrapper }:
 
 stdenv.mkDerivation rec {
   name = "neardal-0.7-post-git-20150930";
diff --git a/pkgs/development/libraries/ntrack/default.nix b/pkgs/development/libraries/ntrack/default.nix
index 3483d4bed778..fb36839fe233 100644
--- a/pkgs/development/libraries/ntrack/default.nix
+++ b/pkgs/development/libraries/ntrack/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, glib, qt4, pkgconfig, libnl, python }:
+{ stdenv, fetchurl, qt4, pkgconfig, libnl, python }:
 
 let
   version = "016";
diff --git a/pkgs/development/libraries/odpic/default.nix b/pkgs/development/libraries/odpic/default.nix
index 94aba672887d..2715ff4dfaff 100644
--- a/pkgs/development/libraries/odpic/default.nix
+++ b/pkgs/development/libraries/odpic/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, fixDarwinDylibNames, oracle-instantclient, libaio }:
+{ stdenv, fetchurl, fixDarwinDylibNames, oracle-instantclient, libaio }:
 
 stdenv.mkDerivation rec {
   name = "odpic-${version}";
diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index 1d3a9629fd0c..264c05e1af9d 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
+, fetchurl, fetchFromGitHub
 , cmake, pkgconfig, unzip, zlib, pcre, hdf5
 , glog, boost, google-gflags, protobuf
 , config
diff --git a/pkgs/development/libraries/openexr/default.nix b/pkgs/development/libraries/openexr/default.nix
index 60ee30177c02..293274a57767 100644
--- a/pkgs/development/libraries/openexr/default.nix
+++ b/pkgs/development/libraries/openexr/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, autoconf, automake, libtool, pkgconfig, zlib, ilmbase }:
+{ lib, stdenv, fetchurl, autoconf, automake, libtool, pkgconfig, zlib, ilmbase }:
 
 stdenv.mkDerivation rec {
   name = "openexr-${lib.getVersion ilmbase}";
diff --git a/pkgs/development/libraries/openpam/default.nix b/pkgs/development/libraries/openpam/default.nix
index 187f86133756..7d84392d204a 100644
--- a/pkgs/development/libraries/openpam/default.nix
+++ b/pkgs/development/libraries/openpam/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPackages, hostPlatform, fetchurl, lib }:
+{ stdenv, fetchurl, lib }:
 
 stdenv.mkDerivation rec {
   name = "openpam-${version}";
diff --git a/pkgs/development/libraries/openssl/default.nix b/pkgs/development/libraries/openssl/default.nix
index 0251de77d03e..b4b932f8d058 100644
--- a/pkgs/development/libraries/openssl/default.nix
+++ b/pkgs/development/libraries/openssl/default.nix
@@ -1,6 +1,5 @@
 { stdenv, fetchurl, buildPackages, perl
 , buildPlatform, hostPlatform
-, fetchpatch
 , withCryptodev ? false, cryptodevHeaders
 , enableSSL2 ? false
 }:
diff --git a/pkgs/development/libraries/opensubdiv/default.nix b/pkgs/development/libraries/opensubdiv/default.nix
index 62c093f310fb..b10e4713019d 100644
--- a/pkgs/development/libraries/opensubdiv/default.nix
+++ b/pkgs/development/libraries/opensubdiv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchFromGitHub, cmake, pkgconfig, xorg, libGLU
+{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, xorg, libGLU
 , libGL, glew, ocl-icd, python3
 , cudaSupport ? false, cudatoolkit
 , darwin
diff --git a/pkgs/development/libraries/ortp/default.nix b/pkgs/development/libraries/ortp/default.nix
index 5dc5df8e95b9..e58e347c7f3e 100644
--- a/pkgs/development/libraries/ortp/default.nix
+++ b/pkgs/development/libraries/ortp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, fetchFromGitHub, bctoolbox }:
+{ stdenv, cmake, fetchFromGitHub, bctoolbox }:
 
 stdenv.mkDerivation rec {
   baseName = "ortp";
diff --git a/pkgs/development/libraries/pango/default.nix b/pkgs/development/libraries/pango/default.nix
index 9a27901c862d..0dd507d6bb4d 100644
--- a/pkgs/development/libraries/pango/default.nix
+++ b/pkgs/development/libraries/pango/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, libXft, cairo, harfbuzz
+{ stdenv, fetchurl, pkgconfig, libXft, cairo, harfbuzz
 , libintl, gobjectIntrospection, darwin
 }:
 
diff --git a/pkgs/development/libraries/pcre2/default.nix b/pkgs/development/libraries/pcre2/default.nix
index 73e7fd42cdba..e0819cde679b 100644
--- a/pkgs/development/libraries/pcre2/default.nix
+++ b/pkgs/development/libraries/pcre2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch }:
+{ stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
   name = "pcre2-${version}";
diff --git a/pkgs/development/libraries/physics/herwig/default.nix b/pkgs/development/libraries/physics/herwig/default.nix
index 9993060eb728..a8655c2dcbe3 100644
--- a/pkgs/development/libraries/physics/herwig/default.nix
+++ b/pkgs/development/libraries/physics/herwig/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchpatch, fetchurl, boost, fastjet, gfortran, gsl, lhapdf, thepeg, zlib, autoconf, automake, libtool }:
+{ stdenv, fetchurl, boost, fastjet, gfortran, gsl, lhapdf, thepeg, zlib, autoconf, automake, libtool }:
 
 stdenv.mkDerivation rec {
   name = "herwig-${version}";
diff --git a/pkgs/development/libraries/physics/mcgrid/default.nix b/pkgs/development/libraries/physics/mcgrid/default.nix
index 32a05d10d3a6..b287e52b2431 100644
--- a/pkgs/development/libraries/physics/mcgrid/default.nix
+++ b/pkgs/development/libraries/physics/mcgrid/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fastnlo, rivet, pkgconfig, sherpa }:
+{ stdenv, fetchurl, fastnlo, rivet, pkgconfig }:
 
 stdenv.mkDerivation rec {
   name = "mcgrid-${version}";
diff --git a/pkgs/development/libraries/physics/nlojet/default.nix b/pkgs/development/libraries/physics/nlojet/default.nix
index 0c9d879fbd09..2f79a2b76ab9 100644
--- a/pkgs/development/libraries/physics/nlojet/default.nix
+++ b/pkgs/development/libraries/physics/nlojet/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch }:
+{ stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
   name = "nlojet++-${version}";
diff --git a/pkgs/development/libraries/physics/yoda/default.nix b/pkgs/development/libraries/physics/yoda/default.nix
index eb34b94118a9..1dacdba1b1ce 100644
--- a/pkgs/development/libraries/physics/yoda/default.nix
+++ b/pkgs/development/libraries/physics/yoda/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, python2Packages, root, makeWrapper, zlib, withRootSupport ? false }:
+{ stdenv, fetchurl, python2Packages, root, makeWrapper, zlib, withRootSupport ? false }:
 
 stdenv.mkDerivation rec {
   name = "yoda-${version}";
diff --git a/pkgs/development/libraries/postgis/default.nix b/pkgs/development/libraries/postgis/default.nix
index aa9a3f9fdc0a..a577d318523d 100644
--- a/pkgs/development/libraries/postgis/default.nix
+++ b/pkgs/development/libraries/postgis/default.nix
@@ -1,12 +1,10 @@
 { fetchurl
-, fetchpatch
 , stdenv
 , perl
 , libxml2
 , postgresql
 , geos
 , proj
-, flex
 , gdal
 , json_c
 , pkgconfig
diff --git a/pkgs/development/libraries/protobuf/generic.nix b/pkgs/development/libraries/protobuf/generic.nix
index 06154e0008ba..1a20d806b968 100644
--- a/pkgs/development/libraries/protobuf/generic.nix
+++ b/pkgs/development/libraries/protobuf/generic.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, version, src
+{ stdenv, version, src
 , autoreconfHook, zlib, gtest
 , ...
 }:
diff --git a/pkgs/development/libraries/qimageblitz/default.nix b/pkgs/development/libraries/qimageblitz/default.nix
index 4e74e31e3ec8..51253676341f 100644
--- a/pkgs/development/libraries/qimageblitz/default.nix
+++ b/pkgs/development/libraries/qimageblitz/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, lib, cmake, qt4}:
+{stdenv, fetchurl, cmake, qt4}:
 
 let
   pn = "qimageblitz";
diff --git a/pkgs/development/libraries/qt-4.x/4.8/default.nix b/pkgs/development/libraries/qt-4.x/4.8/default.nix
index 4227575acb09..01d0fc510aaa 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -1,8 +1,8 @@
 { stdenv, fetchurl, fetchpatch, substituteAll
 , hostPlatform
-, libXrender, libXinerama, libXcursor, libXmu, libXv, libXext
+, libXrender, libXinerama, libXcursor, libXv, libXext
 , libXfixes, libXrandr, libSM, freetype, fontconfig, zlib, libjpeg, libpng
-, libmng, which, libGLSupported, libGL, libGLU, openssl, dbus, cups, pkgconfig
+, libmng, which, libGLSupported, libGLU, openssl, dbus, cups, pkgconfig
 , libtiff, glib, icu, mysql, postgresql, sqlite, perl, coreutils, libXi
 , buildMultimedia ? stdenv.isLinux, alsaLib, gstreamer, gst-plugins-base
 , buildWebkit ? (stdenv.isLinux || stdenv.isDarwin)
diff --git a/pkgs/development/libraries/qt-5/5.11/default.nix b/pkgs/development/libraries/qt-5/5.11/default.nix
index 5407a79cd775..2a706fc7b6e8 100644
--- a/pkgs/development/libraries/qt-5/5.11/default.nix
+++ b/pkgs/development/libraries/qt-5/5.11/default.nix
@@ -17,7 +17,7 @@ top-level attribute to `top-level/all-packages.nix`.
 
 {
   newScope,
-  stdenv, fetchurl, fetchFromGitHub, makeSetupHook, makeWrapper,
+  stdenv, fetchurl, fetchFromGitHub, makeSetupHook,
   bison, cups ? null, harfbuzz, libGL, perl,
   gstreamer, gst-plugins-base, gtk3, dconf,
 
diff --git a/pkgs/development/libraries/qt-5/5.6/default.nix b/pkgs/development/libraries/qt-5/5.6/default.nix
index b9ed5eddd5cf..8732b1061342 100644
--- a/pkgs/development/libraries/qt-5/5.6/default.nix
+++ b/pkgs/development/libraries/qt-5/5.6/default.nix
@@ -26,7 +26,7 @@ existing packages here and modify it as necessary.
 
 {
   newScope,
-  stdenv, fetchurl, makeSetupHook, makeWrapper,
+  stdenv, fetchurl, makeSetupHook,
   bison, cups ? null, harfbuzz, libGL, perl,
   gstreamer, gst-plugins-base,
 
diff --git a/pkgs/development/libraries/qt-5/5.9/default.nix b/pkgs/development/libraries/qt-5/5.9/default.nix
index e109fe447aa2..755e6a9487e7 100644
--- a/pkgs/development/libraries/qt-5/5.9/default.nix
+++ b/pkgs/development/libraries/qt-5/5.9/default.nix
@@ -17,7 +17,7 @@ top-level attribute to `top-level/all-packages.nix`.
 
 {
   newScope,
-  stdenv, fetchurl, makeSetupHook, makeWrapper,
+  stdenv, fetchurl, makeSetupHook,
   bison, cups ? null, harfbuzz, libGL, perl,
   gstreamer, gst-plugins-base, gtk3, dconf,
 
diff --git a/pkgs/development/libraries/qt-5/modules/qtbase.nix b/pkgs/development/libraries/qt-5/modules/qtbase.nix
index 15e19c77567a..0d9cb81afda9 100644
--- a/pkgs/development/libraries/qt-5/modules/qtbase.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtbase.nix
@@ -3,14 +3,14 @@
   src, patches, version, qtCompatVersion,
 
   coreutils, bison, flex, gdb, gperf, lndir, patchelf, perl, pkgconfig, python2,
-  ruby, which,
+  which,
   # darwin support
-  darwin, libiconv, libcxx,
+  darwin, libiconv,
 
   dbus, fontconfig, freetype, glib, harfbuzz, icu, libX11, libXcomposite,
   libXcursor, libXext, libXi, libXrender, libinput, libjpeg, libpng, libtiff,
   libxcb, libxkbcommon, libxml2, libxslt, openssl, pcre16, pcre2, sqlite, udev,
-  xcbutil, xcbutilimage, xcbutilkeysyms, xcbutilrenderutil, xcbutilwm, xorg,
+  xcbutil, xcbutilimage, xcbutilkeysyms, xcbutilrenderutil, xcbutilwm,
   zlib,
 
   # optional dependencies
diff --git a/pkgs/development/libraries/qt-5/modules/qtmultimedia.nix b/pkgs/development/libraries/qt-5/modules/qtmultimedia.nix
index 1b7a7c1fceaa..d0bab88b2f21 100644
--- a/pkgs/development/libraries/qt-5/modules/qtmultimedia.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtmultimedia.nix
@@ -1,6 +1,5 @@
 { qtModule, stdenv, qtbase, qtdeclarative, pkgconfig
 , alsaLib, gstreamer, gst-plugins-base, libpulseaudio
-, darwin
 }:
 
 with stdenv.lib;
diff --git a/pkgs/development/libraries/qt-5/modules/qtserialport.nix b/pkgs/development/libraries/qt-5/modules/qtserialport.nix
index 2f8c142323d2..516d38340dc5 100644
--- a/pkgs/development/libraries/qt-5/modules/qtserialport.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtserialport.nix
@@ -1,4 +1,4 @@
-{ qtModule, stdenv, lib, qtbase, substituteAll, systemd }:
+{ qtModule, stdenv, lib, qtbase, systemd }:
 
 let inherit (lib) getLib optional; in
 
diff --git a/pkgs/development/libraries/qt-5/modules/qtwebkit.nix b/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
index 8691e20ec452..62da679157f0 100644
--- a/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
@@ -4,7 +4,6 @@
 , sqlite, systemd, glib, gst_all_1, cmake
 , bison2, flex, gdb, gperf, perl, pkgconfig, python2, ruby
 , darwin
-, substituteAll
 , flashplayerFix ? false
 , src ? null
 , version ? null
diff --git a/pkgs/development/libraries/qt-5/qt-env.nix b/pkgs/development/libraries/qt-5/qt-env.nix
index 49585f601d14..da56c07779b9 100644
--- a/pkgs/development/libraries/qt-5/qt-env.nix
+++ b/pkgs/development/libraries/qt-5/qt-env.nix
@@ -1,4 +1,4 @@
-{ lib, buildEnv, qtbase }: name: paths:
+{ buildEnv, qtbase }: name: paths:
 
 buildEnv {
   inherit name;
diff --git a/pkgs/development/libraries/qtstyleplugins/default.nix b/pkgs/development/libraries/qtstyleplugins/default.nix
index a8611b312405..b94cdd22f7f0 100644
--- a/pkgs/development/libraries/qtstyleplugins/default.nix
+++ b/pkgs/development/libraries/qtstyleplugins/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, qmake, qtbase, pkgconfig, gtk2 }:
+{ stdenv, fetchFromGitHub, qmake, pkgconfig, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "qtstyleplugins-2017-03-11";
diff --git a/pkgs/development/libraries/quazip/default.nix b/pkgs/development/libraries/quazip/default.nix
index 8d096e18f08f..ae858738ec16 100644
--- a/pkgs/development/libraries/quazip/default.nix
+++ b/pkgs/development/libraries/quazip/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, zip, zlib, qtbase, qmake }:
+{ fetchurl, stdenv, zlib, qtbase, qmake }:
 
 stdenv.mkDerivation rec {
   name = "quazip-0.7.3";
diff --git a/pkgs/development/libraries/quickder/default.nix b/pkgs/development/libraries/quickder/default.nix
index 77e76ad638ab..35d16ee5e19b 100644
--- a/pkgs/development/libraries/quickder/default.nix
+++ b/pkgs/development/libraries/quickder/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchurl, python2Packages, hexio
+{ stdenv, fetchFromGitHub, python2Packages, hexio
 , which, cmake, bash, arpa2cm, git, asn2quickder, pkgconfig }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/rocksdb/default.nix b/pkgs/development/libraries/rocksdb/default.nix
index 90389055a415..786fce0fb638 100644
--- a/pkgs/development/libraries/rocksdb/default.nix
+++ b/pkgs/development/libraries/rocksdb/default.nix
@@ -5,7 +5,6 @@
 
 # Optional Arguments
 , snappy ? null, google-gflags ? null, zlib ? null, bzip2 ? null, lz4 ? null
-, numactl ? null
 
 # Malloc implementation
 , jemalloc ? null, gperftools ? null
diff --git a/pkgs/development/libraries/science/math/arpack/default.nix b/pkgs/development/libraries/science/math/arpack/default.nix
index 77cb7cf1f2b6..55c1a641fc3d 100644
--- a/pkgs/development/libraries/science/math/arpack/default.nix
+++ b/pkgs/development/libraries/science/math/arpack/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, copyPathsToStore, fetchurl, autoconf, automake, gettext, libtool
+{ stdenv, fetchurl, autoconf, automake, gettext, libtool
 , gfortran, openblas }:
 
 with stdenv.lib;
diff --git a/pkgs/development/libraries/science/math/caffe2/default.nix b/pkgs/development/libraries/science/math/caffe2/default.nix
index 916bf122b3c2..c1994533b78d 100644
--- a/pkgs/development/libraries/science/math/caffe2/default.nix
+++ b/pkgs/development/libraries/science/math/caffe2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, config, fetchFromGitHub, fetchpatch
+{ stdenv, lib, config, fetchFromGitHub
 , cmake
 , glog, google-gflags, gtest
 , protobuf, snappy
diff --git a/pkgs/development/libraries/science/math/openblas/default.nix b/pkgs/development/libraries/science/math/openblas/default.nix
index fc8f11f2f11e..a9aa528a8409 100644
--- a/pkgs/development/libraries/science/math/openblas/default.nix
+++ b/pkgs/development/libraries/science/math/openblas/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, gfortran, perl, which, config, coreutils
+{ stdenv, fetchurl, gfortran, perl, which, coreutils
 # 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/science/networking/ns3/default.nix b/pkgs/development/libraries/science/networking/ns3/default.nix
index 3601066cb22f..632380328db1 100644
--- a/pkgs/development/libraries/science/networking/ns3/default.nix
+++ b/pkgs/development/libraries/science/networking/ns3/default.nix
@@ -1,5 +1,5 @@
 { stdenv
-, fetchFromGitHub, fetchurl
+, fetchFromGitHub
 , python
 
 # for binding generation
diff --git a/pkgs/development/libraries/serf/default.nix b/pkgs/development/libraries/serf/default.nix
index dfaf1c679dd7..f794c3841b93 100644
--- a/pkgs/development/libraries/serf/default.nix
+++ b/pkgs/development/libraries/serf/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, apr, scons, openssl, aprutil, zlib, kerberos
-, pkgconfig, gnused, expat, openldap, libiconv }:
+, pkgconfig, libiconv }:
 
 stdenv.mkDerivation rec {
   name = "serf-1.3.9";
diff --git a/pkgs/development/libraries/smpeg2/default.nix b/pkgs/development/libraries/smpeg2/default.nix
index 3207bdb3a7f2..900437864717 100644
--- a/pkgs/development/libraries/smpeg2/default.nix
+++ b/pkgs/development/libraries/smpeg2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, darwin, fetchsvn, autoconf, automake, libtool, m4, pkgconfig, makeWrapper, SDL2 }:
+{ stdenv, darwin, fetchsvn, autoconf, automake, pkgconfig, makeWrapper, SDL2 }:
 
 stdenv.mkDerivation rec {
   name = "smpeg2-svn${version}";
diff --git a/pkgs/development/libraries/speech-tools/default.nix b/pkgs/development/libraries/speech-tools/default.nix
index 22d66b7e71d1..771ad033ed91 100644
--- a/pkgs/development/libraries/speech-tools/default.nix
+++ b/pkgs/development/libraries/speech-tools/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gawk, alsaLib, ncurses }:
+{ stdenv, fetchurl, alsaLib, ncurses }:
 
 stdenv.mkDerivation rec {
   name = "speech_tools-${version}.0";
diff --git a/pkgs/development/libraries/spice/default.nix b/pkgs/development/libraries/spice/default.nix
index 0b815f9095f9..ba3791a8a8bd 100644
--- a/pkgs/development/libraries/spice/default.nix
+++ b/pkgs/development/libraries/spice/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, pixman, celt, alsaLib
+{ stdenv, fetchurl, pkgconfig, pixman, celt, alsaLib
 , openssl, libXrandr, libXfixes, libXext, libXrender, libXinerama
 , libjpeg, zlib, spice-protocol, python, pyparsing, glib, cyrus_sasl
 , lz4 }:
diff --git a/pkgs/development/libraries/tachyon/default.nix b/pkgs/development/libraries/tachyon/default.nix
index 0185bd2733b4..4f711a639f73 100644
--- a/pkgs/development/libraries/tachyon/default.nix
+++ b/pkgs/development/libraries/tachyon/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , fetchurl
-, fetchpatch
 , Carbon ? null
 , libjpeg ? null
 , libpng ? null
diff --git a/pkgs/development/libraries/ti-rpc/default.nix b/pkgs/development/libraries/ti-rpc/default.nix
index 99f0bb65441c..24251cf0cc1d 100644
--- a/pkgs/development/libraries/ti-rpc/default.nix
+++ b/pkgs/development/libraries/ti-rpc/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, fetchpatch, stdenv, autoreconfHook, libkrb5 }:
+{ fetchurl, stdenv, autoreconfHook, libkrb5 }:
 
 stdenv.mkDerivation rec {
   name = "libtirpc-1.0.3";
diff --git a/pkgs/development/libraries/unicorn-emu/default.nix b/pkgs/development/libraries/unicorn-emu/default.nix
index 9f9d8e62de50..aa4a7890b23e 100644
--- a/pkgs/development/libraries/unicorn-emu/default.nix
+++ b/pkgs/development/libraries/unicorn-emu/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, bash, pkgconfig, python }:
+{ stdenv, fetchurl, pkgconfig, python }:
 
 stdenv.mkDerivation rec {
   name    = "unicorn-emulator-${version}";
diff --git a/pkgs/development/libraries/v8/3.14.nix b/pkgs/development/libraries/v8/3.14.nix
index 9112079a90ea..ce666becc855 100644
--- a/pkgs/development/libraries/v8/3.14.nix
+++ b/pkgs/development/libraries/v8/3.14.nix
@@ -1,5 +1,5 @@
 # This old version of V8 is still needed for the R V8 module
-{ stdenv, callPackage, fetchFromGitHub, gyp, readline, python, which, icu, ... }:
+{ stdenv, fetchFromGitHub, gyp, readline, python, which, icu, ... }:
 
 assert readline != null;
 
diff --git a/pkgs/development/libraries/vigra/default.nix b/pkgs/development/libraries/vigra/default.nix
index 438b4eda454b..14211ea65e9a 100644
--- a/pkgs/development/libraries/vigra/default.nix
+++ b/pkgs/development/libraries/vigra/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, boost, cmake, doxygen, fftw, fftwSinglePrec, hdf5, ilmbase
+{ stdenv, fetchurl, boost, cmake, fftw, fftwSinglePrec, hdf5, ilmbase
 , libjpeg, libpng, libtiff, openexr, python2Packages }:
 
 let
diff --git a/pkgs/development/libraries/vtk/default.nix b/pkgs/development/libraries/vtk/default.nix
index 984a106236ce..bdfe3d1c5c60 100644
--- a/pkgs/development/libraries/vtk/default.nix
+++ b/pkgs/development/libraries/vtk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, cmake, libGLU_combined, libX11, xproto, libXt
+{ stdenv, fetchurl, cmake, libGLU_combined, libX11, xproto, libXt
 , qtLib ? null
 # Darwin support
 , Cocoa, CoreServices, DiskArbitration, IOKit, CFNetwork, Security, GLUT, OpenGL
diff --git a/pkgs/development/libraries/wavpack/default.nix b/pkgs/development/libraries/wavpack/default.nix
index 29a27e53f225..9eb3254001d5 100644
--- a/pkgs/development/libraries/wavpack/default.nix
+++ b/pkgs/development/libraries/wavpack/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, libiconv }:
+{ stdenv, fetchurl, libiconv }:
 
 stdenv.mkDerivation rec {
   name = "wavpack-${version}";
diff --git a/pkgs/development/libraries/wayland/1.9.nix b/pkgs/development/libraries/wayland/1.9.nix
index d832becbed88..3555a9232285 100644
--- a/pkgs/development/libraries/wayland/1.9.nix
+++ b/pkgs/development/libraries/wayland/1.9.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, pkgconfig
-, libffi, docbook_xsl, doxygen, graphviz, libxslt, xmlto, libxml2
+, libffi, libxml2
 , expat ? null # Build wayland-scanner (currently cannot be disabled as of 1.7.0)
 }:
 
diff --git a/pkgs/development/libraries/wayland/default.nix b/pkgs/development/libraries/wayland/default.nix
index bbc33f33e701..fce0dae6c731 100644
--- a/pkgs/development/libraries/wayland/default.nix
+++ b/pkgs/development/libraries/wayland/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, pkgconfig
-, libffi, docbook_xsl, doxygen, graphviz, libxslt, xmlto, libxml2
+, libffi, libxml2
 , expat ? null # Build wayland-scanner (currently cannot be disabled as of 1.7.0)
 }:
 
diff --git a/pkgs/development/libraries/wlc/default.nix b/pkgs/development/libraries/wlc/default.nix
index 2b9244ff1b18..572adfeb0bb6 100644
--- a/pkgs/development/libraries/wlc/default.nix
+++ b/pkgs/development/libraries/wlc/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, cmake, pkgconfig
+{ stdenv, fetchFromGitHub, cmake, pkgconfig
 , wayland, pixman, libxkbcommon, libinput, xcbutilwm, xcbutilimage, libGL
 , libX11, dbus, wayland-protocols, libdrm, mesa_noglu
 , libpthreadstubs, libXdmcp, libXext, libXfixes
diff --git a/pkgs/development/libraries/xcb-util-cursor/HEAD.nix b/pkgs/development/libraries/xcb-util-cursor/HEAD.nix
index 17f8646b5177..e343c301127f 100644
--- a/pkgs/development/libraries/xcb-util-cursor/HEAD.nix
+++ b/pkgs/development/libraries/xcb-util-cursor/HEAD.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchgit, autoconf, automake, libtool, pkgconfig
-, git, xorg, gnum4, libxcb, gperf }:
+, xorg, gnum4, libxcb, gperf }:
 
 stdenv.mkDerivation rec {
   name = "xcb-util-cursor-0.1.1-3-unstable-${version}";
diff --git a/pkgs/development/libraries/xgboost/default.nix b/pkgs/development/libraries/xgboost/default.nix
index 7865724efa40..63dee2529fe2 100644
--- a/pkgs/development/libraries/xgboost/default.nix
+++ b/pkgs/development/libraries/xgboost/default.nix
@@ -1,5 +1,4 @@
 { stdenv, lib, fetchgit, cmake
-, avxSupport ? false
 , cudaSupport ? false, cudatoolkit
 , ncclSupport ? false, nccl
 , llvmPackages
diff --git a/pkgs/development/libraries/xine-lib/default.nix b/pkgs/development/libraries/xine-lib/default.nix
index 274a70057bdd..69b5b95e7613 100644
--- a/pkgs/development/libraries/xine-lib/default.nix
+++ b/pkgs/development/libraries/xine-lib/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, xorg, alsaLib, libGLU_combined, aalib
-, libvorbis, libtheora, speex, zlib, libdvdcss, perl, ffmpeg
+, libvorbis, libtheora, speex, zlib, perl, ffmpeg
 , flac, libcaca, libpulseaudio, libmng, libcdio, libv4l, vcdimager
 , libmpcdec
 }: