diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp
index 90ed1c507f..f37849b3ee 100644
--- a/src/msw/dialog.cpp
+++ b/src/msw/dialog.cpp
@@ -398,14 +398,6 @@ void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
 // dialog window proc
 // ---------------------------------------------------------------------------
 
-BOOL CALLBACK wxRefreshChildProc(HWND hwnd, LPARAM WXUNUSED(lParam))
-{
-    ::InvalidateRect(hwnd, NULL, FALSE /* don't erase bg */);
-
-    // continue enumeration
-    return TRUE;
-}
-
 long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 {
     long rc = 0;
@@ -430,7 +422,7 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
             processed = TRUE;
             if ( !HasFlag(wxNO_FULL_REPAINT_ON_RESIZE) )
             {
-                ::EnumChildWindows(GetHwnd(), wxRefreshChildProc, 0);
+                ::InvalidateRect(GetHwnd(), NULL, FALSE /* erase bg */);
             }
             break;