4 files changed, 6 insertions, 10 deletions
diff --git a/pkgs/data/documentation/man-pages/default.nix b/pkgs/data/documentation/man-pages/default.nix
index 5800b429ae4d..02b4518b63d9 100644
--- a/pkgs/data/documentation/man-pages/default.nix
+++ b/pkgs/data/documentation/man-pages/default.nix
@@ -1,8 +1,8 @@
 { stdenv, fetchurl }:
 
-let version = "4.04"; in
 stdenv.mkDerivation rec {
   name = "man-pages-${version}";
+  version = "4.04";
 
   src = fetchurl {
     url = "mirror://kernel/linux/docs/man-pages/${name}.tar.xz";
@@ -12,7 +12,6 @@ stdenv.mkDerivation rec {
   makeFlags = [ "MANDIR=$(out)/share/man" ];
 
   meta = with stdenv.lib; {
-    inherit version;
     description = "Linux development manual pages";
     homepage = http://www.kernel.org/doc/man-pages/;
     repositories.git = http://git.kernel.org/pub/scm/docs/man-pages/man-pages;
diff --git a/pkgs/data/fonts/hack/default.nix b/pkgs/data/fonts/hack/default.nix
index 0b793d53fe6f..44b931f3b1d9 100644
--- a/pkgs/data/fonts/hack/default.nix
+++ b/pkgs/data/fonts/hack/default.nix
@@ -1,8 +1,8 @@
 { stdenv, fetchurl, unzip }:
 
-let version = "2.019"; in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "hack-font-${version}";
+  version = "2.019";
 
   src = let
     version_ = with stdenv.lib;
@@ -22,7 +22,6 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    inherit version;
     description = "A typeface designed for source code";
     longDescription = ''
       Hack is hand groomed and optically balanced to be a workhorse face for
diff --git a/pkgs/data/misc/sound-theme-freedesktop/default.nix b/pkgs/data/misc/sound-theme-freedesktop/default.nix
index a43a94a0d7c9..986f3d35b7d5 100644
--- a/pkgs/data/misc/sound-theme-freedesktop/default.nix
+++ b/pkgs/data/misc/sound-theme-freedesktop/default.nix
@@ -1,8 +1,8 @@
 { stdenv, fetchurl, intltool }:
 
-let version = "0.8"; in
 stdenv.mkDerivation rec {
   name = "sound-theme-freedesktop-${version}";
+  version = "0.8";
 
   src = fetchurl {
     sha256 = "054abv4gmfk9maw93fis0bf605rc56dah7ys5plc4pphxqh8nlfb";
@@ -12,7 +12,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ intltool ];
 
   meta = with stdenv.lib; {
-    inherit version;
     description = "Freedesktop reference sound theme";
     homepage = http://freedesktop.org/wiki/Specifications/sound-theme-spec;
     # See http://cgit.freedesktop.org/sound-theme-freedesktop/tree/CREDITS:
diff --git a/pkgs/data/misc/wireless-regdb/default.nix b/pkgs/data/misc/wireless-regdb/default.nix
index acc1ca5b55ec..123cb7a62089 100644
--- a/pkgs/data/misc/wireless-regdb/default.nix
+++ b/pkgs/data/misc/wireless-regdb/default.nix
@@ -1,8 +1,8 @@
 { stdenv, fetchgit }:
 
-let version = "2015-12-14"; in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "wireless-regdb-${version}";
+  version = "2015-12-14";
 
   src = fetchgit {
     sha256 = "1ldfcxn3mdb104czy78b7nj1clsbfp8fc6mshix98zq0bg4k7rsm";
@@ -18,7 +18,6 @@ stdenv.mkDerivation {
   ];
 
   meta = with stdenv.lib; {
-    inherit version;
     description = "Wireless regulatory database for CRDA";
     homepage = http://wireless.kernel.org/en/developers/Regulatory/;
     license = licenses.isc;