4 files changed, 5 insertions, 13 deletions
diff --git a/pkgs/development/tools/misc/dfu-programmer/default.nix b/pkgs/development/tools/misc/dfu-programmer/default.nix
index f0a3a9b7600..062f68c8343 100644
--- a/pkgs/development/tools/misc/dfu-programmer/default.nix
+++ b/pkgs/development/tools/misc/dfu-programmer/default.nix
@@ -1,10 +1,7 @@
 { lib, stdenv, fetchurl, libusb-compat-0_1 }:
-let
-  version = "0.7.2";
-in
 stdenv.mkDerivation rec {
   pname = "dfu-programmer";
-  inherit version;
+  version = "0.7.2";
 
   buildInputs = [ libusb-compat-0_1 ];
 
diff --git a/pkgs/development/tools/misc/luarocks/default.nix b/pkgs/development/tools/misc/luarocks/default.nix
index d4f2ec4ded9..f3ec4b4d7a4 100644
--- a/pkgs/development/tools/misc/luarocks/default.nix
+++ b/pkgs/development/tools/misc/luarocks/default.nix
@@ -68,7 +68,6 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    inherit version;
     description = "A package manager for Lua";
     license = licenses.mit ;
     maintainers = with maintainers; [raskin teto];
diff --git a/pkgs/development/tools/misc/nixbang/default.nix b/pkgs/development/tools/misc/nixbang/default.nix
index 468623241bf..bcddf4479eb 100644
--- a/pkgs/development/tools/misc/nixbang/default.nix
+++ b/pkgs/development/tools/misc/nixbang/default.nix
@@ -1,9 +1,8 @@
 { lib, pythonPackages, fetchFromGitHub }:
 
-let version = "0.1.2"; in
-pythonPackages.buildPythonApplication {
+pythonPackages.buildPythonApplication rec {
   pname = "nixbang";
-  inherit version;
+  version = "0.1.2";
   namePrefix = "";
 
   src = fetchFromGitHub {
diff --git a/pkgs/development/tools/misc/prelink/default.nix b/pkgs/development/tools/misc/prelink/default.nix
index 63fc7c8e64a..2fbee4ca5f5 100644
--- a/pkgs/development/tools/misc/prelink/default.nix
+++ b/pkgs/development/tools/misc/prelink/default.nix
@@ -1,11 +1,8 @@
 { lib, stdenv, fetchurl, libelf }:
 
-let
-  version = "20130503";
-in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "prelink";
-  inherit version;
+  version = "20130503";
 
   buildInputs = [
     libelf stdenv.cc.libc (lib.getOutput "static" stdenv.cc.libc)