diff --git a/newtypes.cpp b/newtypes.cpp
index a389d5da..e0efddfc 100644
--- a/newtypes.cpp
+++ b/newtypes.cpp
@@ -518,13 +518,17 @@ bool add_capability_number(TypeObjectBase::Capability capability, PyNumberMethod
 
 bool add_capability_buffer(TypeObjectBase::Capability capability, PyBufferProcs*& dest)
 {
+    (void)dest; // suppress unused argument warning
+    (void)capability; // likwise
+#if 0
     switch(capability)
     {
         // nothing defined yet
-        
         default:
             return false;
     }
+#endif
+    return false;
 }
 
 } // anonymous namespace
diff --git a/newtypes.h b/newtypes.h
index f9710159..80f4dade 100644
--- a/newtypes.h
+++ b/newtypes.h
@@ -319,7 +319,7 @@ namespace detail {
         typedef std::vector<Holder> Storage;
         
       public:
-        static const int offset = offsetof(counted_pod, m_data);
+        enum { offset = PY_OFFSETOF(counted_pod, m_data) };
     
         static shared_pod_manager& instance();
         ~shared_pod_manager();