1 files changed, 1 insertions, 3 deletions
diff --git a/pkgs/development/tools/misc/autoconf/default.nix b/pkgs/development/tools/misc/autoconf/default.nix
index f7ea5d44c57..c850d1fb8fe 100644
--- a/pkgs/development/tools/misc/autoconf/default.nix
+++ b/pkgs/development/tools/misc/autoconf/default.nix
@@ -1,13 +1,11 @@
 {stdenv, fetchurl, m4, perl}:
-derivation {
+stdenv.mkDerivation {
   name = "autoconf-2.58";
-  system = stdenv.system;
   builder = ./builder.sh;
   src = fetchurl {
     url = ftp://ftp.nluug.nl/pub/gnu/autoconf/autoconf-2.58.tar.bz2;
     md5 = "db3fa3069c6554b3505799c7e1022e2b";
   };
-  stdenv = stdenv;
   m4 = m4;
   perl = perl;
 }