diff --git a/include/boost/histogram/axis.hpp b/include/boost/histogram/axis.hpp
index 976f4fdd..f8ba4e41 100644
--- a/include/boost/histogram/axis.hpp
+++ b/include/boost/histogram/axis.hpp
@@ -194,7 +194,7 @@ public:
                const std::string& label = std::string(),
                bool uoflow = true);
 
-  integer_axis() {}
+  integer_axis() : min_(0) {}
   integer_axis(const integer_axis&);
   integer_axis& operator=(const integer_axis&);
 
diff --git a/include/boost/histogram/detail/nstore.hpp b/include/boost/histogram/detail/nstore.hpp
index d077b898..4e2b5e6d 100644
--- a/include/boost/histogram/detail/nstore.hpp
+++ b/include/boost/histogram/detail/nstore.hpp
@@ -139,8 +139,8 @@ private:
   template<typename T>
   bool add_impl_(size_type i, const uint64_t & oi)
   {
-    T& b = ((T*)buffer_)[i];
-    if (T(std::numeric_limits<T>::max() - b) >= oi) {
+    T& b = static_cast<T*>(buffer_)[i];
+    if (static_cast<T>(std::numeric_limits<T>::max() - b) >= oi) {
   	b += oi;
   	return true;
     } else grow(); /* and fall through */
diff --git a/include/boost/histogram/histogram.hpp b/include/boost/histogram/histogram.hpp
index 6c7b9ef5..02fe2992 100644
--- a/include/boost/histogram/histogram.hpp
+++ b/include/boost/histogram/histogram.hpp
@@ -11,8 +11,6 @@
 #include <boost/histogram/basic_histogram.hpp>
 #include <boost/histogram/detail/nstore.hpp>
 #include <boost/preprocessor.hpp>
-#include <boost/serialization/access.hpp>
-#include <boost/serialization/base_object.hpp>
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits.hpp>
 #include <boost/shared_ptr.hpp>
@@ -175,7 +173,6 @@ BOOST_PP_REPEAT_FROM_TO(1, BOOST_HISTOGRAM_AXIS_LIMIT, BOOST_HISTOGRAM_VARIANCE,
 private:
   detail::nstore data_;
 
-  friend class serialization::access;
   template <class Archive>
   friend void serialize(Archive& ar, histogram & h, unsigned version);
 };