diff --git a/pkgs/development/interpreters/python/cpython/3.3/default.nix b/pkgs/development/interpreters/python/cpython/3.3/default.nix
index 87c99a61c16..cb48186a69e 100644
--- a/pkgs/development/interpreters/python/cpython/3.3/default.nix
+++ b/pkgs/development/interpreters/python/cpython/3.3/default.nix
@@ -35,7 +35,6 @@ stdenv.mkDerivation {
   inherit majorVersion version;
 
   inherit buildInputs;
-  inherit propagatedBuildInputs;
 
   src = fetchurl {
     url = "http://www.python.org/ftp/python/${version}/Python-${version}.tar.xz";
diff --git a/pkgs/development/interpreters/python/cpython/3.4/default.nix b/pkgs/development/interpreters/python/cpython/3.4/default.nix
index 3e8bb6f411d..2293e6d485a 100644
--- a/pkgs/development/interpreters/python/cpython/3.4/default.nix
+++ b/pkgs/development/interpreters/python/cpython/3.4/default.nix
@@ -50,7 +50,6 @@ stdenv.mkDerivation {
   inherit majorVersion version;
 
   inherit buildInputs;
-  inherit propagatedBuildInputs;
 
   src = fetchurl {
     url = "http://www.python.org/ftp/python/${version}/Python-${fullVersion}.tar.xz";