diff --git a/src/core.c b/src/core.c
index 4f6f7b0e8..b2baa7b0e 100644
--- a/src/core.c
+++ b/src/core.c
@@ -526,8 +526,6 @@ meta_core_get_grab_frame (Display *xdisplay)
   display = meta_display_for_x_display (xdisplay);
 
   g_assert (display != NULL);
-  g_assert (display->grab_window != NULL);
-  g_assert (display->grab_window->display->xdisplay == xdisplay);
   
   if (display->grab_op != META_GRAB_OP_NONE &&
       display->grab_window->frame)