diff --git a/TODO b/TODO
index 968324422..c6549f4ad 100644
--- a/TODO
+++ b/TODO
@@ -47,7 +47,6 @@
 * linux-2.6-usb-pci-autosuspend.patch
 * linux-2.6-enable-more-pci-autosuspend.patch
 * linux-2.6-acpi-debug-infinite-loop.patch
-* acpi-ec-add-delay-before-write.patch
   Responsible: mjg59
 
 * linux-2.6-v4l-dvb-experimental.patch
diff --git a/acpi-ec-add-delay-before-write.patch b/acpi-ec-add-delay-before-write.patch
deleted file mode 100644
index f1cb50817..000000000
--- a/acpi-ec-add-delay-before-write.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-https://bugzilla.kernel.org/show_bug.cgi?id=14733#c41
-
-diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
-index 27e0b92..09fbb69 100644
---- a/drivers/acpi/ec.c
-+++ b/drivers/acpi/ec.c
-@@ -226,6 +226,7 @@ static int ec_poll(struct acpi_ec *ec)
- 				if (ec_transaction_done(ec))
- 					return 0;
- 			} else {
-+				msleep(1);
- 				if (wait_event_timeout(ec->wait,
- 						ec_transaction_done(ec),
- 						msecs_to_jiffies(1)))
-@@ -233,8 +234,8 @@ static int ec_poll(struct acpi_ec *ec)
- 			}
- 			advance_transaction(ec, acpi_ec_read_status(ec));
- 		} while (time_before(jiffies, delay));
--		if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
--			break;
-+//		if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
-+//			break;
- 		pr_debug(PREFIX "controller reset, restart transaction\n");
- 		spin_lock_irqsave(&ec->curr_lock, flags);
- 		start_transaction(ec);
-@@ -271,15 +272,24 @@ static int ec_check_ibf0(struct acpi_ec *ec)
- 	return (status & ACPI_EC_FLAG_IBF) == 0;
- }
- 
-+/* try to clean input buffer with burst_disable transaction */
-+static int acpi_ec_clean_buffer(struct acpi_ec *ec)
-+{
-+	struct transaction t = {.command = ACPI_EC_BURST_DISABLE,
-+				.wdata = NULL, .rdata = NULL,
-+				.wlen = 0, .rlen = 0};
-+	return acpi_ec_transaction_unlocked(ec, &t);
-+}
-+
- static int ec_wait_ibf0(struct acpi_ec *ec)
- {
- 	unsigned long delay = jiffies + msecs_to_jiffies(ec_delay);
- 	/* interrupt wait manually if GPE mode is not active */
- 	while (time_before(jiffies, delay))
- 		if (wait_event_timeout(ec->wait, ec_check_ibf0(ec),
- 					msecs_to_jiffies(1)))
- 			return 0;
--	return -ETIME;
-+	return acpi_ec_clean_buffer(ec);
- }
- 
- static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
diff --git a/kernel.spec b/kernel.spec
index 0ba2ff592..60498bcb9 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -657,7 +657,6 @@ Patch383: linux-2.6-defaults-aspm.patch
 
 Patch390: linux-2.6-defaults-acpi-video.patch
 Patch391: linux-2.6-acpi-video-dos.patch
-Patch393: acpi-ec-add-delay-before-write.patch
 Patch394: linux-2.6-acpi-debug-infinite-loop.patch
 
 Patch450: linux-2.6-input-kill-stupid-messages.patch
@@ -1257,7 +1256,6 @@ ApplyPatch linux-2.6-32bit-mmap-exec-randomization.patch
 # ACPI
 ApplyPatch linux-2.6-defaults-acpi-video.patch
 ApplyPatch linux-2.6-acpi-video-dos.patch
-ApplyPatch acpi-ec-add-delay-before-write.patch
 ApplyPatch linux-2.6-acpi-debug-infinite-loop.patch
 
 # Various low-impact patches to aid debugging.
@@ -2070,6 +2068,9 @@ fi
 #                 ||----w |
 #                 ||     ||
 %changelog
+* Fri Aug 26 2011 Dave Jones <davej@redhat.com>
+- Drop acpi-ec-add-delay-before-write.patch (rhbz 733690)
+
 * Fri Aug 26 2011 Josh Boyer <jwboyer@redhat.com>
 - Linux 3.1-rc3-git5