6 files changed, 4 insertions, 12 deletions
diff --git a/pkgs/development/interpreters/j2re/builder.sh b/pkgs/development/interpreters/j2re/builder.sh
index 9e977f2a384..e14d911320b 100755..100644
--- a/pkgs/development/interpreters/j2re/builder.sh
+++ b/pkgs/development/interpreters/j2re/builder.sh
@@ -1,4 +1,3 @@
-#!/bin/sh
 
 . $stdenv/setup || exit 1
 version=j2re1.4.2_03
diff --git a/pkgs/development/interpreters/j2re/default.nix b/pkgs/development/interpreters/j2re/default.nix
index 170ac1bed4d..3fa417657ea 100644
--- a/pkgs/development/interpreters/j2re/default.nix
+++ b/pkgs/development/interpreters/j2re/default.nix
@@ -3,7 +3,6 @@
 if stdenv.system == "i686-linux"
   then
     (import ./j2re-sun-linux.nix) {
-      stdenv   = stdenv;
       fetchurl = fetchurl;
     }
   else
diff --git a/pkgs/development/interpreters/perl/builder.sh b/pkgs/development/interpreters/perl/builder.sh
index e36e0738f50..c1d35465d0b 100755..100644
--- a/pkgs/development/interpreters/perl/builder.sh
+++ b/pkgs/development/interpreters/perl/builder.sh
@@ -1,5 +1,3 @@
-#! /bin/sh -e
-
 buildinputs="$patch"
 . $stdenv/setup
 
diff --git a/pkgs/development/interpreters/perl/default.nix b/pkgs/development/interpreters/perl/default.nix
index 26f44b9ef81..da3d53abe5f 100644
--- a/pkgs/development/interpreters/perl/default.nix
+++ b/pkgs/development/interpreters/perl/default.nix
@@ -1,8 +1,7 @@
 {stdenv, fetchurl, patch}:
 
-derivation {
+stdenv.mkDerivation {
   name = "perl-5.8.3";
-  system = stdenv.system;
 
   builder = ./builder.sh;
   src = fetchurl {
@@ -19,5 +18,5 @@ derivation {
 
   srcPatch = ./patch;
 
-  inherit stdenv patch;
+  inherit patch;
 }
diff --git a/pkgs/development/interpreters/python/builder.sh b/pkgs/development/interpreters/python/builder.sh
index 9c57a580847..d7baadecdac 100755..100644
--- a/pkgs/development/interpreters/python/builder.sh
+++ b/pkgs/development/interpreters/python/builder.sh
@@ -1,5 +1,3 @@
-#! /bin/sh
-
 buildinputs=""
 if test -n "$zlibSupport"; then
   buildinputs="$zlib $buildinputs"
diff --git a/pkgs/development/interpreters/python/default.nix b/pkgs/development/interpreters/python/default.nix
index 4d60896424e..e3e075dc0f1 100644
--- a/pkgs/development/interpreters/python/default.nix
+++ b/pkgs/development/interpreters/python/default.nix
@@ -2,14 +2,13 @@
 
 assert zlibSupport -> zlib != null;
 
-derivation {
+stdenv.mkDerivation {
   name = "python-2.3.3";
-  system = stdenv.system;
   builder = ./builder.sh;
   src = fetchurl {
       url = http://www.python.org/ftp/python/2.3.3/Python-2.3.3.tar.bz2;
       md5 = "70ada9f65742ab2c77a96bcd6dffd9b1";
   };
   zlib = if zlibSupport then zlib else null;
-  inherit stdenv zlibSupport;
+  inherit zlibSupport;
 }