2 files changed, 1 insertions, 5 deletions
diff --git a/pkgs/development/tools/misc/libtool/builder.sh b/pkgs/development/tools/misc/libtool/builder.sh
index eaa673874ae50..4b8407fb533ec 100755..100644
--- a/pkgs/development/tools/misc/libtool/builder.sh
+++ b/pkgs/development/tools/misc/libtool/builder.sh
@@ -1,5 +1,3 @@
-#! /bin/sh
-
 buildinputs="$m4 $perl"
 . $stdenv/setup || exit 1
 
diff --git a/pkgs/development/tools/misc/libtool/default.nix b/pkgs/development/tools/misc/libtool/default.nix
index febe579a7c73d..e02658af93a09 100644
--- a/pkgs/development/tools/misc/libtool/default.nix
+++ b/pkgs/development/tools/misc/libtool/default.nix
@@ -1,13 +1,11 @@
 {stdenv, fetchurl, m4, perl}:
-derivation {
+stdenv.mkDerivation {
   name = "libtool-1.5";
-  system = stdenv.system;
   builder = ./builder.sh;
   src = fetchurl {
     url = http://ftp.gnu.org/gnu/libtool/libtool-1.5.tar.gz;
     md5 = "0e1844f25e2ad74c3715b5776d017545";
   };
-  stdenv = stdenv;
   m4 = m4;
   perl = perl;
 }