diff --git a/include/boost/type_traits.hpp b/include/boost/type_traits.hpp
index 004d7b9..09e5ea4 100644
--- a/include/boost/type_traits.hpp
+++ b/include/boost/type_traits.hpp
@@ -24,7 +24,6 @@
 #include "boost/type_traits/has_trivial_constructor.hpp"
 #include "boost/type_traits/has_trivial_copy.hpp"
 #include "boost/type_traits/has_trivial_destructor.hpp"
-#include "boost/type_traits/is_abstract.hpp"
 #include "boost/type_traits/is_arithmetic.hpp"
 #include "boost/type_traits/is_array.hpp"
 #include "boost/type_traits/is_base_and_derived.hpp"