diff --git a/components/nifosg/controller.cpp b/components/nifosg/controller.cpp
index b6610728ae..0f4c4a5bdf 100644
--- a/components/nifosg/controller.cpp
+++ b/components/nifosg/controller.cpp
@@ -310,11 +310,6 @@ void VisController::operator() (osg::Node* node, osg::NodeVisitor* nv)
 
 RollController::RollController(const Nif::NiFloatData *data)
     : mData(data->mKeyList, 1.f)
-    , mStartingTime(0)
-{
-}
-
-RollController::RollController() : mStartingTime(0)
 {
 }
 
@@ -322,7 +317,7 @@ RollController::RollController(const RollController &copy, const osg::CopyOp &co
     : osg::NodeCallback(copy, copyop)
     , Controller(copy)
     , mData(copy.mData)
-    , mStartingTime(0)
+    , mStartingTime(copy.mStartingTime)
 {
 }
 
@@ -462,12 +457,6 @@ FlipController::FlipController(int texSlot, float delta, const std::vector<osg::
 {
 }
 
-FlipController::FlipController()
-    : mTexSlot(0)
-    , mDelta(0.f)
-{
-}
-
 FlipController::FlipController(const FlipController &copy, const osg::CopyOp &copyop)
     : StateSetUpdater(copy, copyop)
     , Controller(copy)
diff --git a/components/nifosg/controller.hpp b/components/nifosg/controller.hpp
index be1292359f..a93dd28ebe 100644
--- a/components/nifosg/controller.hpp
+++ b/components/nifosg/controller.hpp
@@ -268,11 +268,11 @@ namespace NifOsg
     {
     private:
         FloatInterpolator mData;
-        double mStartingTime;
+        double mStartingTime{0};
 
     public:
         RollController(const Nif::NiFloatData *data);
-        RollController();
+        RollController() = default;
         RollController(const RollController& copy, const osg::CopyOp& copyop);
 
         virtual void operator() (osg::Node* node, osg::NodeVisitor* nv);
@@ -326,14 +326,14 @@ namespace NifOsg
     class FlipController : public SceneUtil::StateSetUpdater, public SceneUtil::Controller
     {
     private:
-        int mTexSlot;
-        float mDelta;
+        int mTexSlot{0};
+        float mDelta{0.f};
         std::vector<osg::ref_ptr<osg::Texture2D> > mTextures;
 
     public:
         FlipController(const Nif::NiFlipController* ctrl, const std::vector<osg::ref_ptr<osg::Texture2D> >& textures);
         FlipController(int texSlot, float delta, const std::vector<osg::ref_ptr<osg::Texture2D> >& textures);
-        FlipController();
+        FlipController() = default;
         FlipController(const FlipController& copy, const osg::CopyOp& copyop);
 
         META_Object(NifOsg, FlipController)