diff --git a/include/boost/context/detail/config.hpp b/include/boost/context/detail/config.hpp
index 08d568d..b0b03c1 100644
--- a/include/boost/context/detail/config.hpp
+++ b/include/boost/context/detail/config.hpp
@@ -115,17 +115,9 @@ static constexpr std::size_t cacheline_length{ 64 };
 static constexpr std::size_t prefetch_stride{ 4 * cacheline_length };
 #endif
 
-// __has_include is currently supported by GCC and Clang. However GCC 4.9 may have issues and
-// returns 1 for 'defined( __has_include )', while '__has_include' is actually not supported:
-// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63662
-#if !defined(__APPLE__) &&  !defined(__MACH__ )
-# if defined(__has_include) && (!defined(BOOST_GCC) || (__GNUC__ + 0) >= 5)
-#  if __has_include(<cxxabi.h>)
-#   define BOOST_CONTEXT_HAS_CXXABI_H
-#  endif
-# elif defined(__GLIBCXX__) || defined(__GLIBCPP__)
+#if defined(__GLIBCPP__) || defined(__GLIBCXX__)
+// GNU libstdc++ 3
 #  define BOOST_CONTEXT_HAS_CXXABI_H
-# endif
 #endif
 
 #if defined( BOOST_CONTEXT_HAS_CXXABI_H )