diff --git a/pkgs/development/tools/parsing/pgen/builder.sh b/pkgs/development/tools/parsing/pgen/builder.sh
index f0653d86e03..a0ffad19b0c 100644
--- a/pkgs/development/tools/parsing/pgen/builder.sh
+++ b/pkgs/development/tools/parsing/pgen/builder.sh
@@ -7,6 +7,3 @@ configureFlags="--with-aterm=$aterm \
                 --with-asc-support=$asfsupport \
                 --with-sglr=$sglr"
 genericBuild
-
-mkdir $out/nix-support
-echo "$getopt" > $out/nix-support/propagated-build-inputs
diff --git a/pkgs/development/tools/parsing/pgen/pgen-2.0.nix b/pkgs/development/tools/parsing/pgen/pgen-2.0.nix
index 624f588ceb4..8eea83cea0a 100644
--- a/pkgs/development/tools/parsing/pgen/pgen-2.0.nix
+++ b/pkgs/development/tools/parsing/pgen/pgen-2.0.nix
@@ -7,6 +7,7 @@ stdenv.mkDerivation {
     url = http://www.cwi.nl/projects/MetaEnv/pgen/pgen-2.0.tar.gz;
     md5 = "368cd8abeed29591a35660d8cea79975";
   };
-  inherit        stdenv aterm getopt toolbuslib ptsupport sdfsupport asfsupport ascsupport sglr;
-  buildInputs = [stdenv aterm getopt toolbuslib ptsupport sdfsupport asfsupport ascsupport sglr];
+  inherit        aterm toolbuslib ptsupport sdfsupport asfsupport ascsupport sglr;
+  buildInputs = [aterm toolbuslib ptsupport sdfsupport asfsupport ascsupport sglr];
+  propagatedBuildInputs = [getopt];
 }