diff --git a/include/boost/regex/v4/basic_regex.hpp b/include/boost/regex/v4/basic_regex.hpp
index 8fd9e826..1c121251 100644
--- a/include/boost/regex/v4/basic_regex.hpp
+++ b/include/boost/regex/v4/basic_regex.hpp
@@ -101,7 +101,7 @@ public:
       set_expression(first, last, f | regex_constants::use_except);
       return *this;
    }
-#if !defined(BOOST_NO_MEMBER_TEMPLATES) && !(defined(__IBMCPP__) && (__IBMCPP__ <= 502))
+#if !defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(__IBMCPP__)
 
    template <class ST, class SA>
    unsigned int BOOST_REGEX_CALL set_expression(const std::basic_string<charT, ST, SA>& p, flag_type f = regex_constants::normal)