diff --git a/pkgs/games/typespeed/builder.sh b/pkgs/games/typespeed/builder.sh
deleted file mode 100644
index 273fc55c7552..000000000000
--- a/pkgs/games/typespeed/builder.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-source $stdenv/setup
-genericBuild
diff --git a/pkgs/games/typespeed/default.nix b/pkgs/games/typespeed/default.nix
index 8acb4de62b46..edb91e164fec 100644
--- a/pkgs/games/typespeed/default.nix
+++ b/pkgs/games/typespeed/default.nix
@@ -2,7 +2,6 @@
 
 stdenv.mkDerivation {
   name = "typespeed-0.6.5";
-  builder = ./builder.sh;
   buildInputs = [ ncurses ];
   configureFlags = "--with-highscoredir=/tmp";
   src = fetchurl {