diff --git a/include/wx/generic/dataview.h b/include/wx/generic/dataview.h
index 247a30d253..e01d681123 100644
--- a/include/wx/generic/dataview.h
+++ b/include/wx/generic/dataview.h
@@ -137,15 +137,6 @@ public:
         if ( width == m_width )
             return;
 
-        // Normally we don't update it here as this method is called by
-        // UpdateColumnSizes() which resizes the column automatically, and not
-        // "manually", but if it's the first time the width is being set for a
-        // column created with the default width, do set m_manuallySetWidth in
-        // order to prevent the column from becoming narrower than its initial
-        // size when the control is resized, as this is unexpected.
-        if ( m_width == -1 )
-            m_manuallySetWidth = width;
-
         m_width = width;
         UpdateWidth();
     }