diff -U 5 -r -Z -B ./org/gtk/a11y/gtkaccessibility.c ./mod/gtk/a11y/gtkaccessibility.c
--- ./org/gtk/a11y/gtkaccessibility.c	2017-07-19 04:55:39.000000000 +0200
+++ ./mod/gtk/a11y/gtkaccessibility.c	2017-07-30 15:59:40.130141936 +0200
@@ -987,10 +987,11 @@
 
   _gtk_accessibility_override_atk_util ();
   do_window_event_initialization ();
 
 #ifdef GDK_WINDOWING_X11
+  if (g_getenv("NO_AT_BRIDGE") == FALSE) return;
   atk_bridge_adaptor_init (NULL, NULL);
 #endif
 
   atk_misc_instance = g_object_new (GTK_TYPE_MISC_IMPL, NULL);
 }