diff --git a/include/eepp/ui/uinode.hpp b/include/eepp/ui/uinode.hpp
index 1b53b0384..131cb2c26 100644
--- a/include/eepp/ui/uinode.hpp
+++ b/include/eepp/ui/uinode.hpp
@@ -400,10 +400,6 @@ class EE_API UINode {
 		OriginPoint			mScaleOriginPoint;
 		Float				mAlpha;
 
-		Interpolation1d * 	mAngleAnim;
-		Interpolation2d *	mScaleAnim;
-		Interpolation2d * 	mMoveAnim;
-
 		UIActionManager *	mActionManager;
 
 		virtual Uint32 onMessage( const UIMessage * Msg );
diff --git a/src/eepp/math/interpolation1d.cpp b/src/eepp/math/interpolation1d.cpp
index 629776bd3..00b2f7c0b 100644
--- a/src/eepp/math/interpolation1d.cpp
+++ b/src/eepp/math/interpolation1d.cpp
@@ -35,9 +35,9 @@ Interpolation1d::Interpolation1d( std::vector<Point1d> points ) :
 	mCurPoint(0),
 	mCurTime(Time::Zero),
 	mSpeed(1.3f),
+	mPoints(points),
 	mActP(NULL),
 	mNexP(NULL),
-	mPoints(points),
 	mOnPathEndCallback(),
 	mOnStepCallback()
 {
diff --git a/src/examples/empty_window/empty_window.cpp b/src/examples/empty_window/empty_window.cpp
index 62005d04c..3847069ff 100644
--- a/src/examples/empty_window/empty_window.cpp
+++ b/src/examples/empty_window/empty_window.cpp
@@ -23,7 +23,7 @@ void mainLoop()
 	}
 
 	// Draw a circle
-	p.drawCircle( Vector2f( win->getWidth() * 0.5f, win->getHeight() * 0.5f ), 200, 60 );
+	p.drawCircle( win->getCenter(), 200, 60 );
 
 	// Draw frame
 	win->display();