diff --git a/src/msw/toolbar.cpp b/src/msw/toolbar.cpp
index a9e436f25d..7654ab8106 100644
--- a/src/msw/toolbar.cpp
+++ b/src/msw/toolbar.cpp
@@ -597,14 +597,6 @@ wxSize wxToolBar::DoGetBestSize() const
                 sizeBest.IncTo(wxSize(-1, MSWGetFittingtSizeForControl(tool).y));
             }
         }
-
-        // Without the extra height, DoGetBestSize can report a size that's
-        // smaller than the actual window, causing windows to overlap slightly
-        // in some circumstances, leading to missing borders (especially noticeable
-        // in AUI layouts).
-        if (!(GetWindowStyle() & wxTB_NODIVIDER))
-            sizeBest.y += 2;
-        sizeBest.y ++;
     }
 
     return sizeBest;