diff --git a/include/osgAnimation/ActionVisitor b/include/osgAnimation/ActionVisitor
index 596e054c6..5d2abe680 100644
--- a/include/osgAnimation/ActionVisitor
+++ b/include/osgAnimation/ActionVisitor
@@ -39,7 +39,7 @@ namespace osgAnimation
     {
     public:
         std::vector<FrameAction> _stackFrameAction;
-        std::vector<osg::ref_ptr<Timeline> > _stackTimeline;
+        std::vector<Timeline*> _stackTimeline;
 
         META_ActionVisitor(osgAnimation, ActionVisitor);
         void traverse(Action& visitor);
diff --git a/include/osgAnimation/Timeline b/include/osgAnimation/Timeline
index 09ff005d3..9de360497 100644
--- a/include/osgAnimation/Timeline
+++ b/include/osgAnimation/Timeline
@@ -23,11 +23,10 @@
 #include <osgAnimation/Action>
 #include <osgAnimation/FrameAction>
 #include <osgAnimation/AnimationManagerBase>
+#include <osgAnimation/StatsVisitor>
 
 namespace osgAnimation
 {
-    class StatsActionVisitor;
-
     class OSGANIMATION_EXPORT Timeline : public Action //osg::Object
     {
     public:
diff --git a/include/osgDB/DatabaseRevisions b/include/osgDB/DatabaseRevisions
index aff452219..cfabfc076 100644
--- a/include/osgDB/DatabaseRevisions
+++ b/include/osgDB/DatabaseRevisions
@@ -35,6 +35,8 @@ class OSGDB_EXPORT FileList : public osg::Object
         FileNames& getFileNames() { return _files; }
         const FileNames& getFileNames() const { return _files; }
 
+        bool empty() const { return _files.empty(); }
+
         bool containsFile(const std::string& filename) const { return _files.count(filename)!=0; }
 
         void addFile(const std::string& filename) { _files.insert(filename); }
diff --git a/src/osgAnimation/ActionVisitor.cpp b/src/osgAnimation/ActionVisitor.cpp
index f431be2d8..c317b00c1 100644
--- a/src/osgAnimation/ActionVisitor.cpp
+++ b/src/osgAnimation/ActionVisitor.cpp
@@ -35,7 +35,7 @@ osgAnimation::Timeline* osgAnimation::ActionVisitor::getCurrentTimeline()
 {
     if (_stackTimeline.empty())
         return 0;
-    return _stackTimeline.back().get();
+    return _stackTimeline.back();
 }
 
 osgAnimation::UpdateActionVisitor::UpdateActionVisitor() { _frame = 0; }