diff --git a/include/boost/detail/sp_counted_base.hpp b/include/boost/detail/sp_counted_base.hpp
index 775dd61..6d733d0 100644
--- a/include/boost/detail/sp_counted_base.hpp
+++ b/include/boost/detail/sp_counted_base.hpp
@@ -46,10 +46,7 @@
 #elif defined( __GNUC__ ) && ( defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc ) )
 # include <boost/detail/sp_counted_base_gcc_ppc.hpp>
 
-#elif defined(__GNUC__) && defined( __arm__ )
-# include <boost/detail/sp_counted_base_spin.hpp>
-
-#elif defined(__GNUC__) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 )
+#elif defined(__GNUC__) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 ) && !defined( __arm__ ) && !defined( __hppa )
 # include <boost/detail/sp_counted_base_sync.hpp>
 
 #elif defined(__GNUC__) && ( defined( __sparcv8 ) || defined( __sparcv9 ) )