--- a/src/scrollbar-msw.c	Mon Aug 13 11:19:22 2007 +0200
+++ b/src/scrollbar-msw.c	Mon Aug 13 11:20:41 2007 +0200
@@ -265,69 +265,6 @@
     }
 }
 
-static int
-can_scroll(struct scrollbar_instance* scrollbar)
-{
-  return scrollbar != NULL
-	&& IsWindowVisible (SCROLLBAR_MSW_HANDLE (scrollbar))
-	&& IsWindowEnabled (SCROLLBAR_MSW_HANDLE (scrollbar));
-}
-
-int
-mswindows_handle_mousewheel_event (Lisp_Object frame, int keys, int delta)
-{
-  int hasVertBar, hasHorzBar;	/* Indicates prescence of scroll bars */
-  unsigned wheelScrollLines = 0; /* Number of lines per wheel notch */
-
-  /* Find the currently selected window */
-  Lisp_Object win = FRAME_SELECTED_WINDOW (XFRAME (frame));
-  struct window* w = XWINDOW (win);
-  struct window_mirror* mirror = find_window_mirror (w);
-
-  /* Check that there is something to scroll */
-  hasVertBar = can_scroll (mirror->scrollbar_vertical_instance);
-  hasHorzBar = can_scroll (mirror->scrollbar_horizontal_instance);
-  if (!hasVertBar && !hasHorzBar)
-    return FALSE;
-
-  /* No support for panning and zooming, so ignore */
-  if (keys & (MK_SHIFT | MK_CONTROL))
-    return FALSE;
-
-  /* Get the number of lines per wheel delta */
-  SystemParametersInfo (SPI_GETWHEELSCROLLLINES, 0, &wheelScrollLines, 0);
-
-  /* Calculate the amount to scroll */
-  if (wheelScrollLines == WHEEL_PAGESCROLL)
-    {
-      /* Scroll by a page */
-      Lisp_Object function;
-      if (hasVertBar)
-	function = delta > 0 ? Qscrollbar_page_up : Qscrollbar_page_down;
-      else
-	function = delta > 0 ? Qscrollbar_page_left : Qscrollbar_page_right;
-      mswindows_enqueue_misc_user_event (frame, function, Fcons (win, Qnil));
-    }
-  else /* Scroll by a number of lines */
-    {
-      /* Calc the number of lines to scroll */
-      int toScroll = MulDiv (delta, wheelScrollLines, WHEEL_DELTA);
-
-      /* Do the scroll */
-      Lisp_Object function;
-      if (hasVertBar)
-	function = delta > 0 ? Qscrollbar_line_up : Qscrollbar_line_down;
-      else
-	function = delta > 0 ? Qscrollbar_char_left : Qscrollbar_char_right;
-      if (toScroll < 0)
-	toScroll = -toScroll;
-      while (toScroll--)
-	mswindows_enqueue_misc_user_event (frame, function, win);
-    }
-
-  return TRUE;
-}
-
 #ifdef MEMORY_USAGE_STATS
 
 static int