diff --git a/include/boost/config/compiler/hp_acc.hpp b/include/boost/config/compiler/hp_acc.hpp
index 2ca5d30f..1fa0412c 100644
--- a/include/boost/config/compiler/hp_acc.hpp
+++ b/include/boost/config/compiler/hp_acc.hpp
@@ -37,6 +37,10 @@
 #    define BOOST_HAS_PARTIAL_STD_ALLOCATOR
 #endif
 
+#if (__HP_aCC <= 53800 )
+#    define BOOST_NO_MEMBER_TEMPLATE_KEYWORD
+#endif
+
 #define BOOST_COMPILER "HP aCC version " BOOST_STRINGIZE(__HP_aCC)
 
 //
@@ -47,7 +51,7 @@
 #endif
 //
 // last known and checked version is 0:
-#if (__HP_aCC > 33900)
+#if (__HP_aCC > 53800)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
 #  endif
diff --git a/include/boost/config/platform/hpux.hpp b/include/boost/config/platform/hpux.hpp
index bd16015d..643eb347 100644
--- a/include/boost/config/platform/hpux.hpp
+++ b/include/boost/config/platform/hpux.hpp
@@ -22,13 +22,6 @@
 #define BOOST_HAS_UNISTD_H
 #include <boost/config/posix_features.hpp>
 
-// HPUX has an incomplete pthreads implementation, so it doesn't
-// define _POSIX_THREADS, but it might be enough to implement
-// Boost.Threads.
-#if !defined(BOOST_HAS_PTHREADS) && defined(_POSIX_THREAD_ATTR_STACKADDR)
-# define BOOST_HAS_PTHREADS 
-#endif
-
 // the following are always available:
 #ifndef BOOST_HAS_GETTIMEOFDAY
 #  define BOOST_HAS_GETTIMEOFDAY