diff -urp boost_1_53_0-orig/boost/math/special_functions/detail/igamma_inverse.hpp boost_1_53_0/boost/math/special_functions/detail/igamma_inverse.hpp
--- boost_1_53_0-orig/boost/math/special_functions/detail/igamma_inverse.hpp	2013-07-23 01:32:21.874281840 +0200
+++ boost_1_53_0/boost/math/special_functions/detail/igamma_inverse.hpp	2013-07-23 01:34:15.291971260 +0200
@@ -341,7 +341,6 @@ struct gamma_p_inverse_func
       // flag is set, then Q(x) - q and it's derivatives.
       //
       typedef typename policies::evaluation<T, Policy>::type value_type;
-      typedef typename lanczos::lanczos<T, Policy>::type evaluation_type;
       typedef typename policies::normalise<
          Policy, 
          policies::promote_float<false>, 
diff -urp boost_1_53_0-orig/boost/math/special_functions/gamma.hpp boost_1_53_0/boost/math/special_functions/gamma.hpp
--- boost_1_53_0-orig/boost/math/special_functions/gamma.hpp	2013-07-23 01:32:21.824281537 +0200
+++ boost_1_53_0/boost/math/special_functions/gamma.hpp	2013-07-23 01:34:15.322971451 +0200
@@ -1360,7 +1360,6 @@ inline typename tools::promote_args<T1, 
    BOOST_FPU_EXCEPTION_GUARD
    typedef typename tools::promote_args<T1, T2>::type result_type;
    typedef typename policies::evaluation<result_type, Policy>::type value_type;
-   typedef typename lanczos::lanczos<value_type, Policy>::type evaluation_type;
    typedef typename policies::normalise<
       Policy, 
       policies::promote_float<false>, 
@@ -1489,7 +1488,6 @@ inline typename tools::promote_args<T1, 
    BOOST_FPU_EXCEPTION_GUARD
    typedef typename tools::promote_args<T1, T2>::type result_type;
    typedef typename policies::evaluation<result_type, Policy>::type value_type;
-   typedef typename lanczos::lanczos<value_type, Policy>::type evaluation_type;
    typedef typename policies::normalise<
       Policy, 
       policies::promote_float<false>, 
@@ -1520,7 +1518,6 @@ inline typename tools::promote_args<T1, 
    BOOST_FPU_EXCEPTION_GUARD
    typedef typename tools::promote_args<T1, T2>::type result_type;
    typedef typename policies::evaluation<result_type, Policy>::type value_type;
-   typedef typename lanczos::lanczos<value_type, Policy>::type evaluation_type;
    typedef typename policies::normalise<
       Policy, 
       policies::promote_float<false>, 
@@ -1551,7 +1548,6 @@ inline typename tools::promote_args<T1, 
    BOOST_FPU_EXCEPTION_GUARD
    typedef typename tools::promote_args<T1, T2>::type result_type;
    typedef typename policies::evaluation<result_type, Policy>::type value_type;
-   typedef typename lanczos::lanczos<value_type, Policy>::type evaluation_type;
    typedef typename policies::normalise<
       Policy, 
       policies::promote_float<false>,