diff --git a/ChangeLog b/ChangeLog
index 55151bf8e..fe284e46b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2012-06-13  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	Revert usb-quiesce since it's wrong.
+
+	* grub-core/disk/ieee1275/ofdisk.c (quiesce): Removed.
+	(grub_ofdisk_init): Don't do quiesce.
+
 2012-06-13  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/kern/ieee1275/cmain.c (grub_ieee1275_find_options): Apply
diff --git a/grub-core/disk/ieee1275/ofdisk.c b/grub-core/disk/ieee1275/ofdisk.c
index b1b2bff24..8a7c639be 100644
--- a/grub-core/disk/ieee1275/ofdisk.c
+++ b/grub-core/disk/ieee1275/ofdisk.c
@@ -476,34 +476,6 @@ grub_ofdisk_init (void)
   grub_disk_dev_register (&grub_ofdisk_dev);
 }
 
-static int quiesce (struct grub_ieee1275_devalias *alias)
-{
-  static grub_ieee1275_ihandle_t ihandle;
-  struct set_color_args
-  {
-    struct grub_ieee1275_common_hdr common;
-    grub_ieee1275_cell_t method;
-    grub_ieee1275_cell_t ihandle;
-    grub_ieee1275_cell_t catch_result;
-  }
-  args;
-
-  if (grub_strcmp (alias->type, "usb") != 0)
-    return 0;
-
-
-  if (grub_ieee1275_open (alias->path, &ihandle))
-    return 0;
-    
-  INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 1);
-  args.method = (grub_ieee1275_cell_t) "usb-quiesce";
-  args.ihandle = ihandle;
-
-  IEEE1275_CALL_ENTRY_FN (&args);
-  grub_ieee1275_close (ihandle);
-  return 0;
-}
-
 void
 grub_ofdisk_fini (void)
 {
@@ -512,8 +484,5 @@ grub_ofdisk_fini (void)
   last_ihandle = 0;
   last_devpath = NULL;
 
-  grub_ieee1275_devices_iterate (quiesce);
-  grub_millisleep (10);
-
   grub_disk_dev_unregister (&grub_ofdisk_dev);
 }