diff --git a/lib/cpp/src/concurrency/TimerManager.cpp b/lib/cpp/src/concurrency/TimerManager.cpp
index 25515dc..861a62f 100644
--- a/lib/cpp/src/concurrency/TimerManager.cpp
+++ b/lib/cpp/src/concurrency/TimerManager.cpp
@@ -29,9 +29,6 @@
 
 using boost::shared_ptr;
 
-typedef std::multimap<int64_t, shared_ptr<TimerManager::Task> >::iterator task_iterator;
-typedef std::pair<task_iterator, task_iterator> task_range;
-
 /**
  * TimerManager class
  *
diff --git a/lib/cpp/src/concurrency/TimerManager.h b/lib/cpp/src/concurrency/TimerManager.h
index f3f799f..dfbf0ea 100644
--- a/lib/cpp/src/concurrency/TimerManager.h
+++ b/lib/cpp/src/concurrency/TimerManager.h
@@ -113,6 +113,8 @@
   friend class Dispatcher;
   boost::shared_ptr<Dispatcher> dispatcher_;
   boost::shared_ptr<Thread> dispatcherThread_;
+  typedef std::multimap<int64_t, boost::shared_ptr<TimerManager::Task> >::iterator task_iterator;
+  typedef std::pair<task_iterator, task_iterator> task_range;
 };
 
 }}} // apache::thrift::concurrency