diff --git a/pkgs/development/tools/misc/autoconf/autconf-libtool.nix b/pkgs/development/tools/misc/autoconf/autconf-libtool.nix
deleted file mode 100644
index f07bd77fffd3..000000000000
--- a/pkgs/development/tools/misc/autoconf/autconf-libtool.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-{stdenv, fetchurl, m4, perl, libtool}:
-derivation {
-  name = "autoconf-2.58-with-libtool";
-  system = stdenv.system;
-  builder = ./libtoolbuilder.sh;
-  src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/autoconf/autoconf-2.58.tar.bz2;
-    md5 = "db3fa3069c6554b3505799c7e1022e2b";
-  };
-  stdenv = stdenv;
-  m4 = m4;
-  perl = perl;
-  libtool = libtool;
-}
diff --git a/pkgs/development/tools/misc/libtool/default.nix~ b/pkgs/development/tools/misc/libtool/default.nix~
deleted file mode 100644
index 64dfd2aa53eb..000000000000
--- a/pkgs/development/tools/misc/libtool/default.nix~
+++ /dev/null
@@ -1,13 +0,0 @@
-{stdenv, fetchurl, m4, perl}:
-derivation {
-  name = "autoconf-2.58";
-  system = stdenv.system;
-  builder = ./builder.sh;
-  src = fetchurl {
-    url = ;
-    md5 = "";
-  };
-  stdenv = stdenv;
-  m4 = m4;
-  perl = perl;
-}
diff --git a/pkgs/tools/system/which/builder.sh~ b/pkgs/tools/system/which/builder.sh~
deleted file mode 100755
index 126635327925..000000000000
--- a/pkgs/tools/system/which/builder.sh~
+++ /dev/null
@@ -1,9 +0,0 @@
-#! /bin/sh
-
-. $stdenv/setup || exit 1
-
-tar xvfz $src || exit 1
-cd sed-* || exit 1
-./configure --prefix=$out || exit 1
-make || exit 1
-make install || exit 1