diff --git a/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt
index ac54b5b9a045cadc10d1540b475bfe0a4d33e9eb..5fa915a4b736054343314b7d5d5377566aab7197 100644
--- a/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt
+++ b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt
@@ -21,9 +21,6 @@ Required properties:
 
 Optional properties:
 - interrupts:	Should contain the watchdog interrupt
-- wakeup-source: Flag indicating whether remoteproc can wake up the system by
-		the watchdog interrupt. Only meaningful if the "interrupts"
-		property is defined.
 - mboxes:	This property is required only if the rpmsg/virtio functionality
 		is used. List of phandle and mailbox channel specifiers:
 		- a channel (a) used to communicate through virtqueues with the