diff --git a/src/cppmetrics/graphite/graphite_reporter.h b/src/cppmetrics/graphite/graphite_reporter.h
index d2ce1b2..6e7f38e 100644
--- a/src/cppmetrics/graphite/graphite_reporter.h
+++ b/src/cppmetrics/graphite/graphite_reporter.h
@@ -87,8 +87,6 @@ class GraphiteReporter: public core::ScheduledReporter, boost::noncopyable {
     core::MetricRegistryPtr registry_;
     GraphiteSenderPtr sender_;
     std::string prefix_;
-    boost::chrono::milliseconds rate_unit_;
-    boost::chrono::milliseconds duration_unit_;
 };
 
 } /* namespace graphite */