diff --git a/chaco/tools/better_selecting_zoom.py b/chaco/tools/better_selecting_zoom.py
index 1153d7fee..2a258e494 100644
--- a/chaco/tools/better_selecting_zoom.py
+++ b/chaco/tools/better_selecting_zoom.py
@@ -327,8 +327,6 @@ def _end_select(self, event):
         """ Ends selection of the zoom region, adds the new zoom range to
         the zoom stack, and does the zoom.
         """
-        self._screen_end = (event.x, event.y)
-
         start = numpy.array(self._screen_start)
         end = numpy.array(self._screen_end)