diff --git a/cpp/ycm/Future.h b/cpp/ycm/Future.h
index 26679c7b..3f31df7e 100644
--- a/cpp/ycm/Future.h
+++ b/cpp/ycm/Future.h
@@ -26,10 +26,15 @@ namespace YouCompleteMe
 {
 
 class Result;
+template< typename T > class ConcurrentLatestValue;
 
 typedef boost::python::list Pylist;
 typedef boost::shared_ptr< std::vector< Result > > AsyncResults;
 
+typedef ConcurrentLatestValue<
+          boost::shared_ptr<
+            boost::packaged_task< AsyncResults > > > LatestTask;
+
 class Future
 {
 public:
diff --git a/cpp/ycm/IdentifierCompleter.h b/cpp/ycm/IdentifierCompleter.h
index 2028e0a9..7b649fa1 100644
--- a/cpp/ycm/IdentifierCompleter.h
+++ b/cpp/ycm/IdentifierCompleter.h
@@ -44,10 +44,6 @@ typedef boost::unordered_map< std::string,
 typedef boost::unordered_map< std::string,
           boost::shared_ptr< FilepathToCandidates > > FiletypeMap;
 
-typedef ConcurrentLatestValue<
-          boost::shared_ptr<
-            boost::packaged_task< AsyncResults > > > LatestTask;
-
 
 class IdentifierCompleter : boost::noncopyable
 {