diff --git a/pkgs/development/interpreters/perl-5.10/default.nix b/pkgs/development/interpreters/perl-5.10/default.nix
index 486bb8f54845..cb479c97be20 100644
--- a/pkgs/development/interpreters/perl-5.10/default.nix
+++ b/pkgs/development/interpreters/perl-5.10/default.nix
@@ -9,8 +9,6 @@ stdenv.mkDerivation {
     sha256 = "0bivbz15x02m02gqs6hs77cgjr2msfrhnvp5xqk359jg6w6llill";
   };
 
-  NIX_CFLAGS_COMPILE = if stdenv.system == "x86_64-linux" then "-fPIC" else "";
-
   patches = [
     # This patch does the following:
     # 1) Do use the PATH environment variable to find the `pwd' command.
diff --git a/pkgs/tools/misc/coreutils/default.nix b/pkgs/tools/misc/coreutils/default.nix
index 8f4431fc6047..a23f20bb2444 100644
--- a/pkgs/tools/misc/coreutils/default.nix
+++ b/pkgs/tools/misc/coreutils/default.nix
@@ -4,8 +4,8 @@ stdenv.mkDerivation {
   name = "coreutils-6.12";
   
   src = fetchurl {
-    url = mirror://gnu/coreutils/coreutils-7.1.tar.gz;
-    sha256 = "019a7kccrdnim2xigwsgc8dhiw0hb1y9q4344qs5z24sl6gv2g41";
+    url = mirror://gnu/coreutils/coreutils-6.12.tar.gz;
+    sha256 = "12pi7i2mxff5jab48pqpwlz2pi0j6sp9p7bgrcl663iiw81zglj9";
   };
 
   meta = {