diff --git a/include/boost/phoenix/core/is_nullary.hpp b/include/boost/phoenix/core/is_nullary.hpp
index f90a043..1957f49 100644
--- a/include/boost/phoenix/core/is_nullary.hpp
+++ b/include/boost/phoenix/core/is_nullary.hpp
@@ -137,14 +137,14 @@ namespace boost { namespace phoenix
         struct is_nullary<T const >
             : is_nullary<T>
         {};
-
+      /*
 #ifdef BOOST_PHOENIX_SPECIALIZE_CUSTOM_TERMINAL
         template <typename T>
         struct is_nullary<custom_terminal<T>,
         typename custom_terminal<T>::_is_default_custom_terminal >
             : mpl::true_
         {};
-#else
+#else */
         template <typename T>
         struct is_nullary<custom_terminal<T> >
             : mpl::true_
diff --git a/include/boost/phoenix/core/terminal.hpp b/include/boost/phoenix/core/terminal.hpp
index 726694f..b82ce7e 100644
--- a/include/boost/phoenix/core/terminal.hpp
+++ b/include/boost/phoenix/core/terminal.hpp
@@ -49,11 +49,13 @@ namespace boost { namespace phoenix
 
     template <typename T, typename Dummy>
     struct custom_terminal
+    /*
 #ifdef BOOST_PHOENIX_SPECIALIZE_CUSTOM_TERMINAL
     {
       typedef void _is_default_custom_terminal; // suggested fix for #7730
     }
 #endif
+    */
       ;
  
     namespace expression