diff --git a/include/wx/dcgraph.h b/include/wx/dcgraph.h
index 0cca24e22f..817a0e6610 100644
--- a/include/wx/dcgraph.h
+++ b/include/wx/dcgraph.h
@@ -223,8 +223,6 @@ protected:
     wxAffineMatrix2D m_matrixExtTransform;
 #endif // wxUSE_DC_TRANSFORM_MATRIX
 
-    double m_formerScaleX, m_formerScaleY;
-
     wxGraphicsContext* m_graphicContext;
 
     bool m_isClipBoxValid;