diff --git a/kivy/core/window/window_sdl2.py b/kivy/core/window/window_sdl2.py
index cfcbe44fa..06b5d345e 100644
--- a/kivy/core/window/window_sdl2.py
+++ b/kivy/core/window/window_sdl2.py
@@ -77,8 +77,7 @@ class SDL2MotionEventProvider(MotionEventProvider):
                 return
 
             action, fid, x, y = value
-            x = x / 32768.
-            y = 1 - (y / 32768.)
+            y = 1 - y
             if fid not in touchmap:
                 touchmap[fid] = me = SDL2MotionEvent('sdl', fid, (x, y))
             else:
@@ -143,7 +142,7 @@ class WindowSDL(WindowBase):
             # setup !
             w, h = self._size
             resizable = Config.getboolean('graphics', 'resizable')
-            gl_size = self._win.setup_window(pos[0], pos[1], w, h,
+            self._size = self._win.setup_window(pos[0], pos[1], w, h,
                                              self.borderless, self.fullscreen,
                                              resizable)
             # never stay with a None pos, application using w.center