diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h
index 1c480cc129..fe646444e4 100644
--- a/include/wx/msw/window.h
+++ b/include/wx/msw/window.h
@@ -174,10 +174,6 @@ public:
 #endif
 
 public:
-    // For implementation purposes - sometimes decorations make the client area
-    // smaller
-    virtual wxPoint GetClientAreaOrigin() const;
-
     // Windows subclassing
     void SubclassWin(WXHWND hWnd);
     void UnsubclassWin();
diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 4a466af0c5..dc99d7cf4d 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -1653,13 +1653,6 @@ void wxWindowMSW::DoSetClientSize(int width, int height)
     }
 }
 
-// For implementation purposes - sometimes decorations make the client area
-// smaller
-wxPoint wxWindowMSW::GetClientAreaOrigin() const
-{
-    return wxPoint(0, 0);
-}
-
 // ---------------------------------------------------------------------------
 // text metrics
 // ---------------------------------------------------------------------------