diff --git a/pkgs/tools/security/gnupg1/default.nix b/pkgs/tools/security/gnupg1/default.nix
index 353e0de5ff7..192970b5cae 100644
--- a/pkgs/tools/security/gnupg1/default.nix
+++ b/pkgs/tools/security/gnupg1/default.nix
@@ -1,18 +1,4 @@
-{ # Support for the IDEA cipher (used by the old PGP) should only be
-  # enabled if it is legal for you to do so.
-  ideaSupport ? false
-
-, stdenv, fetchurl, readline, bzip2
-}:
-
-let
-
-  idea = fetchurl {
-    url = http://tarballs.nixos.org/idea.c.gz;
-    md5 = "9dc3bc086824a8c7a331f35e09a3e57f";
-  };
-
-in
+{ stdenv, fetchurl, readline, bzip2 }:
 
 stdenv.mkDerivation rec {
   name = "gnupg-1.4.15";
@@ -24,15 +10,10 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ readline bzip2 ];
 
-  preConfigure = stdenv.lib.optionalString ideaSupport
-    ''
-      gunzip < ${idea} > ./cipher/idea.c
-    '';
-
   doCheck = true;
 
   meta = {
-    description = "GnuPG, a free implementation of the OpenPGP standard for encrypting and signing data";
+    description = "free implementation of the OpenPGP standard for encrypting and signing data";
     homepage = http://www.gnupg.org/;
     license = "GPLv3+";
     platforms = stdenv.lib.platforms.gnu; # arbitrary choice
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 616e8c7d7cc..912136bf859 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -971,9 +971,7 @@ let
 
   gnupatch = callPackage ../tools/text/gnupatch { };
 
-  gnupg1orig = callPackage ../tools/security/gnupg1 {
-    ideaSupport = false;
-  };
+  gnupg1orig = callPackage ../tools/security/gnupg1 { };
 
   gnupg1compat = callPackage ../tools/security/gnupg1compat { };