diff --git a/Documentation/devicetree/bindings/watchdog/moxa,moxart-watchdog.txt b/Documentation/devicetree/bindings/watchdog/moxa,moxart-watchdog.txt
deleted file mode 100644
index 1169857d1d12..000000000000
--- a/Documentation/devicetree/bindings/watchdog/moxa,moxart-watchdog.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-MOXA ART Watchdog timer
-
-Required properties:
-
-- compatible : Must be "moxa,moxart-watchdog"
-- reg : Should contain registers location and length
-- clocks : Should contain phandle for the clock that drives the counter
-
-Example:
-
-	watchdog: watchdog@98500000 {
-		compatible = "moxa,moxart-watchdog";
-		reg = <0x98500000 0x10>;
-		clocks = <&coreclk>;
-	};