diff --git a/pkgs/development/compilers/strategoxt/libraries/default-builder.sh b/pkgs/development/compilers/strategoxt/libraries/default-builder.sh
deleted file mode 100644
index 273fc55c755..00000000000
--- a/pkgs/development/compilers/strategoxt/libraries/default-builder.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-source $stdenv/setup
-genericBuild
diff --git a/pkgs/development/compilers/strategoxt/libraries/stratego-libraries-0.17pre.nix b/pkgs/development/compilers/strategoxt/libraries/stratego-libraries-0.17pre.nix
index cf7f4d94023..5c4fa23bace 100644
--- a/pkgs/development/compilers/strategoxt/libraries/stratego-libraries-0.17pre.nix
+++ b/pkgs/development/compilers/strategoxt/libraries/stratego-libraries-0.17pre.nix
@@ -2,7 +2,6 @@
 
 stdenv.mkDerivation {
   name = "stratego-libraries-0.17";
-  builder = ./default-builder.sh;
   src =
     fetchurl {
       url = http://www.cs.uu.nl/people/martin/stratego-libraries.tar.gz;