diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index eb8e46ad65..178c2fd8cd 100644
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -3462,7 +3462,7 @@ END_EVENT_TABLE()
 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE )
 {
     m_owner = parent;
 }
@@ -3528,7 +3528,7 @@ END_EVENT_TABLE()
 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE )
 {
     m_owner = parent;
 }
@@ -3593,7 +3593,7 @@ END_EVENT_TABLE()
 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
                                                   wxWindowID id,
                                                   const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE )
 {
     m_owner = parent;
 }
@@ -3663,7 +3663,7 @@ wxGridWindow::wxGridWindow( wxGrid *parent,
                             wxWindowID id,
                             const wxPoint &pos,
                             const wxSize &size )
-            : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxCLIP_CHILDREN,
+            : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxCLIP_CHILDREN,
                         wxT("grid window") )
 
 {