1 files changed, 0 insertions, 3 deletions
diff --git a/canvas/source/opengl/ogl_spritedevicehelper.hxx b/canvas/source/opengl/ogl_spritedevicehelper.hxx
index 3b9a26262509..a9a37f6a983d 100644
--- a/canvas/source/opengl/ogl_spritedevicehelper.hxx
+++ b/canvas/source/opengl/ogl_spritedevicehelper.hxx
@@ -20,10 +20,8 @@
 #include <set>
 
 namespace vcl { class Window; }
-class SystemChildWindow;
 namespace basegfx{ class B2IVector; class B2DHomMatrix; }
 namespace com::sun::star::awt { struct Rectangle; }
-namespace com::sun::star::geometry { struct AffineMatrix2D; }
 
 
 namespace oglcanvas
@@ -31,7 +29,6 @@ namespace oglcanvas
     class TextureCache;
     class SpriteCanvas;
     class CanvasCustomSprite;
-    class CanvasHelper;
 
     class SpriteDeviceHelper
     {