Merge pull request #130472 from Stunkymonkey/inherit-version3

various: cleanup of "inherit version;"

61 files changed, 52 insertions, 157 deletions

diff --git a/pkgs/development/compilers/clasp/default.nix b/pkgs/development/compilers/clasp/default.nix
index 31a669c313e..3aa7063f551 100644
--- a/pkgs/development/compilers/clasp/default.nix
+++ b/pkgs/development/compilers/clasp/default.nix
@@ -118,7 +118,6 @@ stdenv.mkDerivation rec {
   CLASP_SRC_DONTTOUCH = "true";
 
   meta = {
-    inherit version;
     description = "A Common Lisp implementation based on LLVM with C++ integration";
     license = lib.licenses.lgpl21Plus ;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/development/compilers/ldc/binary.nix b/pkgs/development/compilers/ldc/binary.nix
index 3a07009296a..7b43a2c2e8d 100644
--- a/pkgs/development/compilers/ldc/binary.nix
+++ b/pkgs/development/compilers/ldc/binary.nix
@@ -32,7 +32,6 @@ in stdenv.mkDerivation {
   '';
 
   meta = with lib; {
-    inherit version;
     description = "The LLVM-based D Compiler";
     homepage = "https://github.com/ldc-developers/ldc";
     # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
diff --git a/pkgs/development/compilers/solc/default.nix b/pkgs/development/compilers/solc/default.nix
index c01cc761e8c..eea60786f4a 100644
--- a/pkgs/development/compilers/solc/default.nix
+++ b/pkgs/development/compilers/solc/default.nix
@@ -99,7 +99,6 @@ let
       homepage = "https://github.com/ethereum/solidity";
       license = licenses.gpl3;
       maintainers = with maintainers; [ dbrock akru lionello sifmelcara ];
-      inherit version;
     };
   };
 in
diff --git a/pkgs/development/libraries/audio/libgme/default.nix b/pkgs/development/libraries/audio/libgme/default.nix
index 927bd00656e..2761eaf3753 100644
--- a/pkgs/development/libraries/audio/libgme/default.nix
+++ b/pkgs/development/libraries/audio/libgme/default.nix
@@ -1,9 +1,8 @@
 { lib, stdenv, fetchFromBitbucket, cmake, removeReferencesTo }:
-let
-  version = "0.6.3";
-in stdenv.mkDerivation {
+
+stdenv.mkDerivation rec {
   pname = "libgme";
-  inherit version;
+  version = "0.6.3";
 
   meta = with lib; {
     description = "A collection of video game music chip emulators";
diff --git a/pkgs/development/libraries/avro-c++/default.nix b/pkgs/development/libraries/avro-c++/default.nix
index 15e2516c1b6..ad373300e02 100644
--- a/pkgs/development/libraries/avro-c++/default.nix
+++ b/pkgs/development/libraries/avro-c++/default.nix
@@ -1,10 +1,8 @@
 { lib, stdenv, fetchurl, cmake, boost, python2}:
 
-let version = "1.8.2"; in
-
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "avro-c++";
-  inherit version;
+  version = "1.8.2";
 
   src = fetchurl {
     url = "mirror://apache/avro/avro-${version}/cpp/avro-cpp-${version}.tar.gz";
diff --git a/pkgs/development/libraries/avro-c/default.nix b/pkgs/development/libraries/avro-c/default.nix
index 95e3053b534..ee43daf2d04 100644
--- a/pkgs/development/libraries/avro-c/default.nix
+++ b/pkgs/development/libraries/avro-c/default.nix
@@ -1,10 +1,8 @@
 { lib, stdenv, cmake, fetchurl, pkg-config, jansson, zlib }:
 
-let
-  version = "1.10.2";
-in stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "avro-c";
-  inherit version;
+  version = "1.10.2";
 
   src = fetchurl {
     url = "mirror://apache/avro/avro-${version}/c/avro-c-${version}.tar.gz";
diff --git a/pkgs/development/libraries/bearssl/default.nix b/pkgs/development/libraries/bearssl/default.nix
index de9c182df14..36873f03f7e 100644
--- a/pkgs/development/libraries/bearssl/default.nix
+++ b/pkgs/development/libraries/bearssl/default.nix
@@ -1,17 +1,12 @@
 { lib, stdenv, fetchurl }:
 
-let
-  version = "0.6";
-  sha256 = "057zhgy9w4y8z2996r0pq5k2k39lpvmmvz4df8db8qa9f6hvn1b7";
-
-in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "bearssl";
-  inherit version;
+  version = "0.6";
 
   src = fetchurl {
     url = "https://www.bearssl.org/bearssl-${version}.tar.gz";
-    inherit sha256;
+    sha256 = "057zhgy9w4y8z2996r0pq5k2k39lpvmmvz4df8db8qa9f6hvn1b7";
   };
 
   outputs = [ "bin" "lib" "dev" "out" ];
diff --git a/pkgs/development/libraries/cddlib/default.nix b/pkgs/development/libraries/cddlib/default.nix
index 9ff54f8ebf9..e0d6149362c 100644
--- a/pkgs/development/libraries/cddlib/default.nix
+++ b/pkgs/development/libraries/cddlib/default.nix
@@ -23,7 +23,6 @@ stdenv.mkDerivation rec {
   # Requested here: https://github.com/cddlib/cddlib/issues/25
   doCheck = true;
   meta = with lib; {
-    inherit version;
     description = "An implementation of the Double Description Method for generating all vertices of a convex polyhedron";
     license = licenses.gpl2Plus;
     maintainers = teams.sage.members;
diff --git a/pkgs/development/libraries/classads/default.nix b/pkgs/development/libraries/classads/default.nix
index ba8961c8f6c..991fb2b41d5 100644
--- a/pkgs/development/libraries/classads/default.nix
+++ b/pkgs/development/libraries/classads/default.nix
@@ -1,10 +1,8 @@
 { lib, stdenv, fetchurl, pcre }:
 
-let version = "1.0.10"; in
-
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "classads";
-  inherit version;
+  version = "1.0.10";
 
   src = fetchurl {
     url = "ftp://ftp.cs.wisc.edu/condor/classad/c++/classads-${version}.tar.gz";
diff --git a/pkgs/development/libraries/clfft/default.nix b/pkgs/development/libraries/clfft/default.nix
index 91267208d2e..db18bce72be 100644
--- a/pkgs/development/libraries/clfft/default.nix
+++ b/pkgs/development/libraries/clfft/default.nix
@@ -1,10 +1,8 @@
 { lib, stdenv, fetchFromGitHub, cmake, fftw, fftwFloat, boost166, opencl-clhpp, ocl-icd }:
 
-let
-  version = "2.12.2";
-in stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "clfft";
-  inherit version;
+  version = "2.12.2";
 
   src = fetchFromGitHub {
     owner = "clMathLibraries";
@@ -29,6 +27,5 @@ in stdenv.mkDerivation {
     homepage = "http://clmathlibraries.github.io/clFFT/";
     platforms = [ "i686-linux" "x86_64-linux" ];
     maintainers = with maintainers; [ chessai ];
-    inherit version;
   };
 }
diff --git a/pkgs/development/libraries/eclib/default.nix b/pkgs/development/libraries/eclib/default.nix
index 740b0d81ca9..74a6f21992b 100644
--- a/pkgs/development/libraries/eclib/default.nix
+++ b/pkgs/development/libraries/eclib/default.nix
@@ -43,7 +43,6 @@ stdenv.mkDerivation rec {
   ];
   doCheck = true;
   meta = with lib; {
-    inherit version;
     description = "Elliptic curve tools";
     homepage = "https://github.com/JohnCremona/eclib";
     license = licenses.gpl2Plus;
diff --git a/pkgs/development/libraries/fflas-ffpack/default.nix b/pkgs/development/libraries/fflas-ffpack/default.nix
index fd7d89a8831..ca2f3b0e381 100644
--- a/pkgs/development/libraries/fflas-ffpack/default.nix
+++ b/pkgs/development/libraries/fflas-ffpack/default.nix
@@ -49,7 +49,6 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with lib; {
-    inherit version;
     description = "Finite Field Linear Algebra Subroutines";
     license = licenses.lgpl21Plus;
     maintainers = teams.sage.members;
diff --git a/pkgs/development/libraries/fox/fox-1.6.nix b/pkgs/development/libraries/fox/fox-1.6.nix
index 50f9e688cb9..028ab6a7530 100644
--- a/pkgs/development/libraries/fox/fox-1.6.nix
+++ b/pkgs/development/libraries/fox/fox-1.6.nix
@@ -2,13 +2,9 @@
 , libXrandr, libGLU, libGL, libXft, libXfixes, xinput
 , CoreServices }:
 
-let
-  version = "1.6.57";
-in
-
 stdenv.mkDerivation rec {
   pname = "fox";
-  inherit version;
+  version = "1.6.57";
 
   src = fetchurl {
     url = "ftp://ftp.fox-toolkit.org/pub/${pname}-${version}.tar.gz";
diff --git a/pkgs/development/libraries/freenect/default.nix b/pkgs/development/libraries/freenect/default.nix
index e13302319a1..0e96a346f41 100644
--- a/pkgs/development/libraries/freenect/default.nix
+++ b/pkgs/development/libraries/freenect/default.nix
@@ -20,7 +20,6 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Drivers and libraries for the Xbox Kinect device on Windows, Linux, and macOS";
-    inherit version;
     homepage = "http://openkinect.org";
     license = with lib.licenses; [ gpl2 asl20 ];
     maintainers = with lib.maintainers; [ bennofs ];
diff --git a/pkgs/development/libraries/givaro/3.7.nix b/pkgs/development/libraries/givaro/3.7.nix
index dfd6b6b476b..a9b6325c3d7 100644
--- a/pkgs/development/libraries/givaro/3.7.nix
+++ b/pkgs/development/libraries/givaro/3.7.nix
@@ -9,7 +9,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook ];
   buildInputs = [autoconf automake libtool gmpxx];
   meta = {
-    inherit version;
     description = "A C++ library for arithmetic and algebraic computations";
     license = lib.licenses.cecill-b;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/development/libraries/givaro/3.nix b/pkgs/development/libraries/givaro/3.nix
index 9d216b9d8e5..1bfe7682ffa 100644
--- a/pkgs/development/libraries/givaro/3.nix
+++ b/pkgs/development/libraries/givaro/3.nix
@@ -9,7 +9,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook ];
   buildInputs = [autoconf automake libtool gmpxx];
   meta = {
-    inherit version;
     description = "A C++ library for arithmetic and algebraic computations";
     license = lib.licenses.cecill-b;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/development/libraries/givaro/default.nix b/pkgs/development/libraries/givaro/default.nix
index f6d6ddab4d0..29674118dfe 100644
--- a/pkgs/development/libraries/givaro/default.nix
+++ b/pkgs/development/libraries/givaro/default.nix
@@ -36,7 +36,6 @@ stdenv.mkDerivation rec {
   doCheck = false;
 
   meta = {
-    inherit version;
     description = "A C++ library for arithmetic and algebraic computations";
     license = lib.licenses.cecill-b;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/development/libraries/goocanvas/2.x.nix b/pkgs/development/libraries/goocanvas/2.x.nix
index c4df9f1f0fd..4194064a5a2 100644
--- a/pkgs/development/libraries/goocanvas/2.x.nix
+++ b/pkgs/development/libraries/goocanvas/2.x.nix
@@ -1,10 +1,8 @@
 { lib, stdenv, fetchurl, pkg-config, gettext, gtk-doc, gobject-introspection, python2, gtk3, cairo, glib }:
 
-let
-  version = "2.0.4";
-in stdenv.mkDerivation rec {
+stdenv.mkDerivation rec {
   pname = "goocanvas";
-  inherit version;
+  version = "2.0.4";
 
   outputs = [ "out" "dev" "devdoc" ];
 
diff --git a/pkgs/development/libraries/http-parser/default.nix b/pkgs/development/libraries/http-parser/default.nix
index 9d1d23ede8b..36ca0b0ca0b 100644
--- a/pkgs/development/libraries/http-parser/default.nix
+++ b/pkgs/development/libraries/http-parser/default.nix
@@ -1,10 +1,8 @@
 { lib, stdenv, fetchFromGitHub }:
 
-let
-  version = "2.9.4";
-in stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "http-parser";
-  inherit version;
+  version = "2.9.4";
 
   src = fetchFromGitHub {
     owner = "nodejs";
diff --git a/pkgs/development/libraries/iml/default.nix b/pkgs/development/libraries/iml/default.nix
index 09ae213eb5d..474605fe769 100644
--- a/pkgs/development/libraries/iml/default.nix
+++ b/pkgs/development/libraries/iml/default.nix
@@ -19,7 +19,6 @@ stdenv.mkDerivation rec {
     "--with-cblas=-lblas"
   ];
   meta = {
-    inherit version;
     description = "Algorithms for computing exact solutions to dense systems of linear equations over the integers";
     license = lib.licenses.gpl2Plus;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/development/libraries/java/rhino/default.nix b/pkgs/development/libraries/java/rhino/default.nix
index bc50f020659..e6742520865 100644
--- a/pkgs/development/libraries/java/rhino/default.nix
+++ b/pkgs/development/libraries/java/rhino/default.nix
@@ -1,17 +1,14 @@
 { fetchurl, lib, stdenv, unzip, ant, javac, jvm }:
 
 let
-  version = "1.7R2";
-
   xbeans  = fetchurl {
     url = "http://archive.apache.org/dist/xmlbeans/binaries/xmlbeans-2.2.0.zip";
     sha256 = "1pb08d9j81d0wz5wj31idz198iwhqb7mch872n08jh1354rjlqwk";
   };
 in
-
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "rhino";
-  inherit version;
+  version = "1.7R2";
 
   src = fetchurl {
     url = "mirror://mozilla/js/rhino1_7R2.zip";
diff --git a/pkgs/development/libraries/jsoncpp/default.nix b/pkgs/development/libraries/jsoncpp/default.nix
index f41bf0f0c80..6c162c381ac 100644
--- a/pkgs/development/libraries/jsoncpp/default.nix
+++ b/pkgs/development/libraries/jsoncpp/default.nix
@@ -48,7 +48,6 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with lib; {
-    inherit version;
     homepage = "https://github.com/open-source-parsers/jsoncpp";
     description = "A C++ library for interacting with JSON";
     maintainers = with maintainers; [ ttuegel cpages ];
diff --git a/pkgs/development/libraries/libb64/default.nix b/pkgs/development/libraries/libb64/default.nix
index 41d07d58cba..d1f942a3498 100644
--- a/pkgs/development/libraries/libb64/default.nix
+++ b/pkgs/development/libraries/libb64/default.nix
@@ -19,7 +19,6 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    inherit version;
     description = "ANSI C routines for fast base64 encoding/decoding";
     license = lib.licenses.publicDomain;
     platforms = lib.platforms.unix;
diff --git a/pkgs/development/libraries/libewf/default.nix b/pkgs/development/libraries/libewf/default.nix
index 01c10dab60a..5d86dd12246 100644
--- a/pkgs/development/libraries/libewf/default.nix
+++ b/pkgs/development/libraries/libewf/default.nix
@@ -18,6 +18,5 @@ stdenv.mkDerivation rec {
     license = lib.licenses.lgpl3;
     maintainers = [ lib.maintainers.raskin ] ;
     platforms = lib.platforms.unix;
-    inherit version;
   };
 }
diff --git a/pkgs/development/libraries/libixp-hg/default.nix b/pkgs/development/libraries/libixp-hg/default.nix
index 77df340a55f..0aeef61dae9 100644
--- a/pkgs/development/libraries/libixp-hg/default.nix
+++ b/pkgs/development/libraries/libixp-hg/default.nix
@@ -22,7 +22,6 @@ stdenv.mkDerivation rec {
     description = "Portable, simple C-language 9P client and server libary";
     maintainers = with lib.maintainers; [ kovirobi ];
     license = lib.licenses.mit;
-    inherit version;
     platforms = with lib.platforms; unix;
   };
 }
diff --git a/pkgs/development/libraries/libofa/default.nix b/pkgs/development/libraries/libofa/default.nix
index c78aa3f617e..a64afbb930a 100644
--- a/pkgs/development/libraries/libofa/default.nix
+++ b/pkgs/development/libraries/libofa/default.nix
@@ -1,12 +1,9 @@
 { lib, stdenv, fetchurl, expat, curl, fftw }:
 
-let
-  version = "0.9.3";
-  deb_patch = "5";
-in
 stdenv.mkDerivation rec {
   pname = "libofa";
-  inherit version;
+  version = "0.9.3";
+  deb_patch = "5";
 
   src = fetchurl {
     url = "https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/musicip-libofa/${pname}-${version}.tar.gz";
diff --git a/pkgs/development/libraries/libpar2/default.nix b/pkgs/development/libraries/libpar2/default.nix
index 625e780d192..0130af66459 100644
--- a/pkgs/development/libraries/libpar2/default.nix
+++ b/pkgs/development/libraries/libpar2/default.nix
@@ -1,10 +1,8 @@
 { lib, stdenv, fetchurl, pkg-config, libsigcxx }:
 
-let version = "0.4"; in
-
 stdenv.mkDerivation rec {
   pname = "libpar2";
-  inherit version;
+  version = "0.4";
 
   src = fetchurl {
     url = "https://launchpad.net/libpar2/trunk/${version}/+download/${pname}-${version}.tar.gz";
diff --git a/pkgs/development/libraries/libre/default.nix b/pkgs/development/libraries/libre/default.nix
index e960fe8f4b2..7c91950a4c4 100644
--- a/pkgs/development/libraries/libre/default.nix
+++ b/pkgs/development/libraries/libre/default.nix
@@ -17,7 +17,6 @@ stdenv.mkDerivation rec {
     platforms = with lib.platforms; linux;
     maintainers = with lib.maintainers; [raskin];
     license = lib.licenses.bsd3;
-    inherit version;
     downloadPage = "http://www.creytiv.com/pub/";
     updateWalker = true;
     downloadURLRegexp = "/re-.*[.]tar[.].*";
diff --git a/pkgs/development/libraries/libxklavier/default.nix b/pkgs/development/libraries/libxklavier/default.nix
index 60b52152f67..acf82886d46 100644
--- a/pkgs/development/libraries/libxklavier/default.nix
+++ b/pkgs/development/libraries/libxklavier/default.nix
@@ -1,12 +1,9 @@
 { lib, stdenv, fetchgit, autoreconfHook, pkg-config, gtk-doc, xkeyboard_config, libxml2, xorg, docbook_xsl
 , glib, isocodes, gobject-introspection }:
 
-let
-  version = "5.4";
-in
 stdenv.mkDerivation rec {
   pname = "libxklavier";
-  inherit version;
+  version = "5.4";
 
   src = fetchgit {
     url = "git://anongit.freedesktop.org/git/libxklavier";
diff --git a/pkgs/development/libraries/libxsmm/default.nix b/pkgs/development/libraries/libxsmm/default.nix
index a2b4800ec4c..21052df8630 100644
--- a/pkgs/development/libraries/libxsmm/default.nix
+++ b/pkgs/development/libraries/libxsmm/default.nix
@@ -4,11 +4,9 @@
 , enableStatic ? stdenv.hostPlatform.isStatic
 }:
 
-let
-  version = "1.16.1";
-in stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "libxsmm";
-  inherit version;
+  version = "1.16.1";
 
   src = fetchFromGitHub {
     owner = "hfp";
diff --git a/pkgs/development/libraries/linbox/default.nix b/pkgs/development/libraries/linbox/default.nix
index 8a21bd3bcde..821edd33369 100644
--- a/pkgs/development/libraries/linbox/default.nix
+++ b/pkgs/development/libraries/linbox/default.nix
@@ -71,7 +71,6 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with lib; {
-    inherit version;
     description = "C++ library for exact, high-performance linear algebra";
     license = licenses.lgpl21Plus;
     maintainers = teams.sage.members;
diff --git a/pkgs/development/libraries/mdds/default.nix b/pkgs/development/libraries/mdds/default.nix
index 0fc74963299..89fbdd9f215 100644
--- a/pkgs/development/libraries/mdds/default.nix
+++ b/pkgs/development/libraries/mdds/default.nix
@@ -19,7 +19,6 @@ stdenv.mkDerivation rec {
   checkInputs = [ boost ];
 
   meta = with lib; {
-    inherit version;
     homepage = "https://gitlab.com/mdds/mdds";
     description = "A collection of multi-dimensional data structure and indexing algorithm";
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/mpfi/default.nix b/pkgs/development/libraries/mpfi/default.nix
index 5ff0dcd29e7..152c35e6e6f 100644
--- a/pkgs/development/libraries/mpfi/default.nix
+++ b/pkgs/development/libraries/mpfi/default.nix
@@ -16,7 +16,6 @@ stdenv.mkDerivation rec {
   buildInputs = [ mpfr ];
 
   meta = {
-    inherit version;
     description = "A multiple precision interval arithmetic library based on MPFR";
     homepage = "https://gforge.inria.fr/projects/mpfi/";
     license = lib.licenses.lgpl21Plus;
diff --git a/pkgs/development/libraries/mpir/default.nix b/pkgs/development/libraries/mpir/default.nix
index 36505b4a667..b8ee4fb4e76 100644
--- a/pkgs/development/libraries/mpir/default.nix
+++ b/pkgs/development/libraries/mpir/default.nix
@@ -15,7 +15,6 @@ stdenv.mkDerivation rec {
     ++ lib.optionals stdenv.isLinux [ "--enable-fat" ];
 
   meta = {
-    inherit version;
     description = "A highly optimised library for bignum arithmetic forked from GMP";
     license = lib.licenses.lgpl3Plus;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/development/libraries/ndpi/default.nix b/pkgs/development/libraries/ndpi/default.nix
index c3df23052e2..4048f28e5d7 100644
--- a/pkgs/development/libraries/ndpi/default.nix
+++ b/pkgs/development/libraries/ndpi/default.nix
@@ -1,11 +1,9 @@
 { lib, stdenv, fetchFromGitHub, which, autoconf, automake, libtool, libpcap
 , pkg-config }:
 
-let version = "3.4"; in
-
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "ndpi";
-  inherit version;
+  version = "3.4";
 
   src = fetchFromGitHub {
     owner = "ntop";
diff --git a/pkgs/development/libraries/nix-plugins/default.nix b/pkgs/development/libraries/nix-plugins/default.nix
index 915e733473e..a4c18e9f046 100644
--- a/pkgs/development/libraries/nix-plugins/default.nix
+++ b/pkgs/development/libraries/nix-plugins/default.nix
@@ -1,8 +1,8 @@
 { lib, stdenv, fetchFromGitHub, nix, cmake, pkg-config, boost }:
-let version = "6.0.0"; in
-stdenv.mkDerivation {
+
+stdenv.mkDerivation rec {
   pname = "nix-plugins";
-  inherit version;
+  version = "6.0.0";
 
   src = fetchFromGitHub {
     owner = "shlevy";
diff --git a/pkgs/development/libraries/nss/3.53.nix b/pkgs/development/libraries/nss/3.53.nix
index 9f281743f6c..5d44a4d2469 100644
--- a/pkgs/development/libraries/nss/3.53.nix
+++ b/pkgs/development/libraries/nss/3.53.nix
@@ -9,15 +9,12 @@ let
     url = "http://dev.gentoo.org/~polynomial-c/mozilla/nss-3.15.4-pem-support-20140109.patch.xz";
     sha256 = "10ibz6y0hknac15zr6dw4gv9nb5r5z9ym6gq18j3xqx7v7n3vpdw";
   };
-  version = "3.53.1";
-  underscoreVersion = builtins.replaceStrings ["."] ["_"] version;
-
 in stdenv.mkDerivation rec {
   pname = "nss";
-  inherit version;
+  version = "3.53.1";
 
   src = fetchurl {
-    url = "mirror://mozilla/security/nss/releases/NSS_${underscoreVersion}_RTM/src/${pname}-${version}.tar.gz";
+    url = "mirror://mozilla/security/nss/releases/NSS_${lib.replaceStrings ["."] ["_"] version}_RTM/src/${pname}-${version}.tar.gz";
     sha256 = "05jk65x3zy6q8lx2djj8ik7kg741n88iy4n3bblw89cv0xkxxk1d";
   };
 
diff --git a/pkgs/development/libraries/ntrack/default.nix b/pkgs/development/libraries/ntrack/default.nix
index cb9f9ff575f..eef6bbdd580 100644
--- a/pkgs/development/libraries/ntrack/default.nix
+++ b/pkgs/development/libraries/ntrack/default.nix
@@ -1,12 +1,8 @@
 { lib, stdenv, fetchurl, qt4, pkg-config, libnl, python }:
 
-let
-  version = "016";
-in
-
 stdenv.mkDerivation rec {
   pname = "ntrack";
-  inherit version;
+  version = "016";
 
   src = fetchurl {
     url = "https://launchpad.net/ntrack/main/${version}/+download/${pname}-${version}.tar.gz";
diff --git a/pkgs/development/libraries/opencore-amr/default.nix b/pkgs/development/libraries/opencore-amr/default.nix
index d1348d96e3b..26b2715658b 100644
--- a/pkgs/development/libraries/opencore-amr/default.nix
+++ b/pkgs/development/libraries/opencore-amr/default.nix
@@ -1,11 +1,8 @@
 { lib, stdenv, fetchurl }:
 
-let
-    version = "0.1.5";
-in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "opencore-amr";
-  inherit version;
+  version = "0.1.5";
   src = fetchurl {
     url = "https://vorboss.dl.sourceforge.net/project/opencore-amr/opencore-amr/opencore-amr-${version}.tar.gz";
     sha256 = "0hfk9khz3by0119h3jdwgdfd7jgkdbzxnmh1wssvylgnsnwnq01c";
diff --git a/pkgs/development/libraries/openwsman/default.nix b/pkgs/development/libraries/openwsman/default.nix
index 05f1ef65a30..9276ccac6fd 100644
--- a/pkgs/development/libraries/openwsman/default.nix
+++ b/pkgs/development/libraries/openwsman/default.nix
@@ -35,6 +35,5 @@ stdenv.mkDerivation rec {
     license      = licenses.bsd3;
     maintainers  = with maintainers; [ deepfire ];
     platforms    = platforms.linux; # PAM is not available on Darwin
-    inherit version;
   };
 }
diff --git a/pkgs/development/libraries/osip/default.nix b/pkgs/development/libraries/osip/default.nix
index b7cfc5da9d3..b0603cc454f 100644
--- a/pkgs/development/libraries/osip/default.nix
+++ b/pkgs/development/libraries/osip/default.nix
@@ -13,6 +13,5 @@ stdenv.mkDerivation rec {
     description = "The GNU oSIP library, an implementation of the Session Initiation Protocol (SIP)";
     maintainers = with lib.maintainers; [ raskin ];
     platforms = lib.platforms.all;
-    inherit version;
   };
 }
diff --git a/pkgs/development/libraries/pmix/default.nix b/pkgs/development/libraries/pmix/default.nix
index b7adc3d2a42..7791973bb12 100644
--- a/pkgs/development/libraries/pmix/default.nix
+++ b/pkgs/development/libraries/pmix/default.nix
@@ -2,12 +2,9 @@
 , libtool, flex, libevent, hwloc, munge, zlib, pandoc
 } :
 
-let
-  version = "3.2.3";
-
-in stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "pmix";
-  inherit version;
+  version = "3.2.3";
 
   src = fetchFromGitHub {
     repo = "openpmix";
diff --git a/pkgs/development/libraries/safefile/default.nix b/pkgs/development/libraries/safefile/default.nix
index 293a13dbddc..2865ab06319 100644
--- a/pkgs/development/libraries/safefile/default.nix
+++ b/pkgs/development/libraries/safefile/default.nix
@@ -17,7 +17,6 @@ stdenv.mkDerivation rec {
   };
 
   meta = {
-    inherit version;
     description = "File open routines to safely open a file when in the presence of an attack";
     license = lib.licenses.asl20 ;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/development/libraries/sblim-sfcc/default.nix b/pkgs/development/libraries/sblim-sfcc/default.nix
index c871f18e69b..351eb5c1547 100644
--- a/pkgs/development/libraries/sblim-sfcc/default.nix
+++ b/pkgs/development/libraries/sblim-sfcc/default.nix
@@ -23,6 +23,5 @@ stdenv.mkDerivation rec {
     license     = licenses.cpl10;
     maintainers = with maintainers; [ deepfire ];
     platforms   = platforms.unix;
-    inherit version;
   };
 }
diff --git a/pkgs/development/libraries/science/math/liblapack/default.nix b/pkgs/development/libraries/science/math/liblapack/default.nix
index 66f343d4912..79e494a053b 100644
--- a/pkgs/development/libraries/science/math/liblapack/default.nix
+++ b/pkgs/development/libraries/science/math/liblapack/default.nix
@@ -7,12 +7,11 @@
 }:
 let
   inherit (lib) optional;
-  version = "3.9.1";
 in
 
 stdenv.mkDerivation rec {
   pname = "liblapack";
-  inherit version;
+  version = "3.9.1";
 
   src = fetchFromGitHub {
     owner = "Reference-LAPACK";
@@ -57,7 +56,6 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    inherit version;
     description = "Linear Algebra PACKage";
     homepage = "http://www.netlib.org/lapack/";
     license = licenses.bsd3;
diff --git a/pkgs/development/libraries/science/math/lrs/default.nix b/pkgs/development/libraries/science/math/lrs/default.nix
index f7f981e223b..063fead1165 100644
--- a/pkgs/development/libraries/science/math/lrs/default.nix
+++ b/pkgs/development/libraries/science/math/lrs/default.nix
@@ -16,7 +16,6 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    inherit version;
     description = "Implementation of the reverse search algorithm for vertex enumeration/convex hull problems";
     license = lib.licenses.gpl2 ;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/development/libraries/sfml/default.nix b/pkgs/development/libraries/sfml/default.nix
index c9a326afa7f..7ed5070ebb0 100644
--- a/pkgs/development/libraries/sfml/default.nix
+++ b/pkgs/development/libraries/sfml/default.nix
@@ -3,13 +3,9 @@
 , IOKit, Foundation, AppKit, OpenAL
 }:
 
-let
-  version = "2.5.1";
-in
-
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "sfml";
-  inherit version;
+  version = "2.5.1";
 
   src = fetchzip {
     url = "https://github.com/SFML/SFML/archive/${version}.tar.gz";
diff --git a/pkgs/development/libraries/startup-notification/default.nix b/pkgs/development/libraries/startup-notification/default.nix
index f334bb2f35a..cef23779c7a 100644
--- a/pkgs/development/libraries/startup-notification/default.nix
+++ b/pkgs/development/libraries/startup-notification/default.nix
@@ -1,11 +1,8 @@
 {lib, stdenv, fetchurl, libX11, libxcb, pkg-config, xcbutil}:
 
-let
-  version = "0.12";
-in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "libstartup-notification";
-  inherit version;
+  version = "0.12";
   src = fetchurl {
     url = "https://www.freedesktop.org/software/startup-notification/releases/startup-notification-${version}.tar.gz";
     sha256 = "3c391f7e930c583095045cd2d10eb73a64f085c7fde9d260f2652c7cb3cfbe4a";
diff --git a/pkgs/development/libraries/tachyon/default.nix b/pkgs/development/libraries/tachyon/default.nix
index 5994aeb0a59..fa6ca014181 100644
--- a/pkgs/development/libraries/tachyon/default.nix
+++ b/pkgs/development/libraries/tachyon/default.nix
@@ -72,7 +72,6 @@ stdenv.mkDerivation rec {
     cp -r scenes "$out/share/tachyon/scenes"
   '';
   meta = {
-    inherit version;
     description = "A Parallel / Multiprocessor Ray Tracing System";
     license = lib.licenses.bsd3;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/development/libraries/uthash/default.nix b/pkgs/development/libraries/uthash/default.nix
index 7ddae062f76..97c6d10191f 100644
--- a/pkgs/development/libraries/uthash/default.nix
+++ b/pkgs/development/libraries/uthash/default.nix
@@ -1,11 +1,8 @@
 { lib, stdenv, fetchurl, perl }:
 
-let
-  version = "2.1.0";
-in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "uthash";
-  inherit version;
+  version = "2.1.0";
 
   src = fetchurl {
     url = "https://github.com/troydhanson/uthash/archive/v${version}.tar.gz";
diff --git a/pkgs/development/libraries/volume-key/default.nix b/pkgs/development/libraries/volume-key/default.nix
index 567a5e3e251..ce2f7c20d3c 100644
--- a/pkgs/development/libraries/volume-key/default.nix
+++ b/pkgs/development/libraries/volume-key/default.nix
@@ -4,11 +4,9 @@
 , buildPackages
 }:
 
-let
-  version = "0.3.11";
-in stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "volume_key";
-  inherit version;
+  version = "0.3.11";
 
   src = fetchgit {
     url = "https://pagure.io/volume_key.git";
diff --git a/pkgs/development/libraries/wxwidgets/2.9/default.nix b/pkgs/development/libraries/wxwidgets/2.9/default.nix
index 77e0e20eaf5..5674f076bec 100644
--- a/pkgs/development/libraries/wxwidgets/2.9/default.nix
+++ b/pkgs/development/libraries/wxwidgets/2.9/default.nix
@@ -11,12 +11,9 @@ assert withMesa -> libGLU != null && libGL != null;
 
 with lib;
 
-let
-  version = "2.9.4";
-in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "wxwidgets";
-  inherit version;
+  version = "2.9.4";
 
   src = fetchurl {
     url = "mirror://sourceforge/wxwindows/wxWidgets-${version}.tar.bz2";
diff --git a/pkgs/development/libraries/xmlsec/default.nix b/pkgs/development/libraries/xmlsec/default.nix
index 8bf98760950..71a10764667 100644
--- a/pkgs/development/libraries/xmlsec/default.nix
+++ b/pkgs/development/libraries/xmlsec/default.nix
@@ -4,12 +4,9 @@
 , openssl, nss_3_53, lib, runCommandCC, writeText }:
 
 lib.fix (self:
-let
-  version = "1.2.31";
-in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "xmlsec";
-  inherit version;
+  version = "1.2.31";
 
   src = fetchurl {
     url = "https://www.aleksey.com/xmlsec/download/xmlsec1-${version}.tar.gz";
diff --git a/pkgs/development/ruby-modules/bundix/default.nix b/pkgs/development/ruby-modules/bundix/default.nix
index 17f5d6553f6..d4cfe217b83 100644
--- a/pkgs/development/ruby-modules/bundix/default.nix
+++ b/pkgs/development/ruby-modules/bundix/default.nix
@@ -28,7 +28,6 @@ buildRubyGem rec {
   '';
 
   meta = {
-    inherit version;
     description = "Creates Nix packages from Gemfiles";
     longDescription = ''
       This is a tool that converts Gemfile.lock files to nix expressions.
diff --git a/pkgs/tools/archivers/zpaq/default.nix b/pkgs/tools/archivers/zpaq/default.nix
index 08d98716f1f..150633e620a 100644
--- a/pkgs/tools/archivers/zpaq/default.nix
+++ b/pkgs/tools/archivers/zpaq/default.nix
@@ -32,6 +32,5 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3Plus ;
     maintainers = with maintainers; [ raskin ];
     platforms = platforms.linux;
-    inherit version;
   };
 }
diff --git a/pkgs/tools/compression/lrzip/default.nix b/pkgs/tools/compression/lrzip/default.nix
index 9f4f66521f6..820389300e3 100644
--- a/pkgs/tools/compression/lrzip/default.nix
+++ b/pkgs/tools/compression/lrzip/default.nix
@@ -19,7 +19,6 @@ stdenv.mkDerivation rec {
     homepage = "http://ck.kolivas.org/apps/lrzip/";
     description = "The CK LRZIP compression program (LZMA + RZIP)";
     license = lib.licenses.gpl2Plus;
-    inherit version;
     platforms = lib.platforms.unix;
   };
 }
diff --git a/pkgs/tools/compression/pixz/default.nix b/pkgs/tools/compression/pixz/default.nix
index d0418ffdd60..bb504e85f61 100644
--- a/pkgs/tools/compression/pixz/default.nix
+++ b/pkgs/tools/compression/pixz/default.nix
@@ -28,7 +28,6 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    inherit version;
     description = "A parallel compressor/decompressor for xz format";
     license = lib.licenses.bsd2;
     maintainers = [lib.maintainers.raskin];
diff --git a/pkgs/tools/filesystems/fatsort/default.nix b/pkgs/tools/filesystems/fatsort/default.nix
index ec7563dfc49..7c9edf2f84d 100644
--- a/pkgs/tools/filesystems/fatsort/default.nix
+++ b/pkgs/tools/filesystems/fatsort/default.nix
@@ -20,7 +20,6 @@ stdenv.mkDerivation rec {
     description = "Sorts FAT partition table, for devices that don't do sorting of files";
     maintainers = [ maintainers.kovirobi ];
     license = licenses.gpl2;
-    inherit version;
     platforms = platforms.linux;
   };
 }
diff --git a/pkgs/tools/filesystems/smbnetfs/default.nix b/pkgs/tools/filesystems/smbnetfs/default.nix
index 3bbff2903bc..bb042a95ecc 100644
--- a/pkgs/tools/filesystems/smbnetfs/default.nix
+++ b/pkgs/tools/filesystems/smbnetfs/default.nix
@@ -18,7 +18,6 @@ stdenv.mkDerivation rec {
     license = licenses.gpl2;
     downloadPage = "https://sourceforge.net/projects/smbnetfs/files/smbnetfs";
     updateWalker = true;
-    inherit version;
     homepage = "https://sourceforge.net/projects/smbnetfs/";
   };
 }
diff --git a/pkgs/tools/security/aws-okta/default.nix b/pkgs/tools/security/aws-okta/default.nix
index 08508dd157a..363abbd3950 100644
--- a/pkgs/tools/security/aws-okta/default.nix
+++ b/pkgs/tools/security/aws-okta/default.nix
@@ -21,7 +21,6 @@ buildGoPackage rec {
   buildInputs = [ libusb1  libiconv ];
 
   meta = with lib; {
-    inherit version;
     description = "aws-vault like tool for Okta authentication";
     license = licenses.mit;
     maintainers = with maintainers; [imalsogreg Chili-Man];
diff --git a/pkgs/tools/security/sudolikeaboss/default.nix b/pkgs/tools/security/sudolikeaboss/default.nix
index 53f99636b45..242da1a67bb 100644
--- a/pkgs/tools/security/sudolikeaboss/default.nix
+++ b/pkgs/tools/security/sudolikeaboss/default.nix
@@ -22,7 +22,6 @@ buildGoPackage rec {
   ];
 
   meta = with lib; {
-    inherit version;
     inherit (src.meta) homepage;
     description = "Get 1password access from iterm2";
     license = licenses.mit;